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searching for unit cell 384 found (2023 total)

alternate case: Unit cell

Cubic crystal system (3,612 words) [view diff] exact match in snippet view article find links to article

the cubic (or isometric) crystal system is a crystal system where the unit cell is in the shape of a cube. This is one of the most common and simplest

Sodalite (1,810 words) [view diff] exact match in snippet view article find links to article

anions instead.) This framework forms a zeolite cage structure. Each unit cell has two cavities, which have almost the same structure as the borate cage

Dysprosium(II) chloride (369 words) [view diff] exact match in snippet view article

forms. The low temperature form is below 652 °C. It is orthorhombic with unit cell dimensions a=6.69, b=6.76, and c=7.06 Å. Dysprosium dichloride can be

Brookite (734 words) [view diff] exact match in snippet view article find links to article

larger cell volume than either anatase or rutile, with 8 TiO2 groups per unit cell, compared with 4 for anatase and 2 for rutile. Iron (Fe), tantalum (Ta)

Periodic boundary conditions (2,539 words) [view diff] exact match in snippet view article find links to article

approximating a large (infinite) system by using a small part called a unit cell. PBCs are often used in computer simulations and mathematical models.

Diamond cubic (1,491 words) [view diff] exact match in snippet view article find links to article

atoms in each primitive cell, separated by ⁠1/4⁠ of the width of the unit cell in each dimension. The diamond lattice can be viewed as a pair of intersecting

Allotropes of carbon (5,756 words) [view diff] exact match in snippet view article find links to article

structure of diamond is a face-centered cubic lattice having eight atoms per unit cell to form a diamond cubic structure. Each carbon atom is covalently bonded

Periodic table (crystal structure) (1,230 words) [view diff] exact match in snippet view article

which appear in the tables above. Regarding the number of atoms in the unit cell, structures in the rhombohedral lattice system have a rhombohedral primitive

Iron pentahydride (165 words) [view diff] exact match in snippet view article find links to article

below 1500K. When decompressed to 66 GPa it decomposes to solid FeH3. The unit cell is tetragonal with space group I4/mmm. Iron hydrides Pépin, C. M.; Geneste

Bismuth(III) oxide (2,027 words) [view diff] exact match in snippet view article

formulas per unit cell. δ-Bi2O3 has a defective fluorite-type crystal structure in which two of the eight oxygen sites in the unit cell are vacant. ε-Bi2O3

Lead(II) oxalate (414 words) [view diff] exact match in snippet view article

with space group Pnam (number 62), with unit cell dimensions: a = 9.053 Å b = 8.036 Å and c = 7.834 Å. The unit cell volume is 569.8 Å3 with four formula

Ewald summation (2,878 words) [view diff] exact match in snippet view article find links to article

One repeating unit of this hypothetical periodic system is called a unit cell. One such cell is chosen as the "central cell" for reference and the remaining

Hauerite (274 words) [view diff] exact match in snippet view article find links to article

pressure conditions (P>11 GPa), Hauerite undergoes a large collapse in unit cell volume (22%) driven by a spin-state transition. Warr, L.N. (2021). "IMA–CNMNC

Coesite (1,172 words) [view diff] exact match in snippet view article find links to article

distinct Si atoms and five different oxygen positions in the unit cell. Although the unit cell is close to being hexagonal in shape ("a" and "c" are nearly

Hydroxyapatite (4,038 words) [view diff] exact match in snippet view article find links to article

Ca5(PO4)3(OH), often written Ca10(PO4)6(OH)2 to denote that the crystal unit cell comprises two entities. It is the hydroxyl endmember of the complex apatite

Carbide bromide (1,333 words) [view diff] exact match in snippet view article find links to article

on the unit cell. In some compounds the layers are not quite aligned, but repeat after three layers giving a 3R form, with a larger c unit cell height

Chromium hydride (1,810 words) [view diff] exact match in snippet view article find links to article

CrHx with x between 0.5 and 1. The lattice for the hexagonal form had unit cell dimensions a=0.271 nm and c=0.441 nm. The crystal form has been described

Cristobalite (1,339 words) [view diff] exact match in snippet view article find links to article

parameter is shorter by approximately the square root of 2, so the α unit cell contains only 4 silicon atoms rather than 8.) The choice of axis is arbitrary

Uranium diselenide (127 words) [view diff] exact match in snippet view article find links to article

system. The family of crystals it matches is PbCl2. The dimensions of the unit cell are a: 7.455 Å, b: 4.2320 Å, c= 8.964 Å. The compound has the unusual

Kamacite (3,207 words) [view diff] exact match in snippet view article find links to article

causes taenite to have a face-centered unit cell, whereas kamacite's higher iron content causes its unit cell to be body centered. This difference is

Almandine (599 words) [view diff] no match in snippet view article find links to article

transition zone. Almandine crystallizes in the cubic space group Ia3d, with unit-cell parameter a ≈ 11.512 Å at 100 K. Almandine is antiferromagnetic with the

Atomium (2,737 words) [view diff] exact match in snippet view article find links to article

(59 ft) stainless steel clad spheres are connected in the shape of a unit cell that could represent an iron crystal magnified 165 billion times. Steel

Atomium (2,737 words) [view diff] exact match in snippet view article find links to article

(59 ft) stainless steel clad spheres are connected in the shape of a unit cell that could represent an iron crystal magnified 165 billion times. Steel

Supercell (crystal) (528 words) [view diff] exact match in snippet view article

solid-state physics and crystallography, a crystal structure is described by a unit cell repeating periodically over space. There are an infinite number of choices

Lanthanum strontium manganite (647 words) [view diff] exact match in snippet view article find links to article

the x value in La1−xSrxMnO3, the unit cell of LSMO can be rhombohedral, cubic, or hexagonal. This change in the unit cell is explained on the basis of the

Todorokite (1,992 words) [view diff] exact match in snippet view article find links to article

pair of sides formed from chains 4, 5, 6, 8 or more octahedra wide. The unit cell has six manganese Mn4+ sites and twelve oxygen O2− sites constituting

Dicarbonate (569 words) [view diff] exact match in snippet view article find links to article

P21/c and four formula units per unit cell. At 30 GPa the unit cell has a=4.771 b=8.079 c=7.070 Å and β=91.32°. The unit cell volume is 272.4 Å3 and density

Solid nitrogen (5,941 words) [view diff] exact match in snippet view article find links to article

group Pa3; the N2 molecules are located on the body diagonals of the unit cell cube. At low temperatures the α-phase can be compressed to 3500 atm before

Paulingite (1,082 words) [view diff] exact match in snippet view article find links to article

fluids. They have a large unit cell of 3.51 nanometers and an isometric crystal system. This is the largest known inorganic unit cell apart from protein structures

Rhenium disulfide (833 words) [view diff] exact match in snippet view article find links to article

dichalcogenide (TMD). ReS2 was isolated down to monolayers which is only one unit cell in thickness for the first time in 2014. These monolayers have shown layer-independent

Iron monosilicide (670 words) [view diff] exact match in snippet view article find links to article

sodium chloride, with four iron atoms and four silicon atoms in each unit cell. Whereas in sodium chloride the eight atoms are at the corners of a cube

Surface reconstruction (2,124 words) [view diff] exact match in snippet view article find links to article

In this notation, the surface unit cell is given as multiples of the nonreconstructed surface unit cell with the unit cell vectors a and b. For example

Chalcophyllite (633 words) [view diff] exact match in snippet view article find links to article

unit cell with three formula units per cell (Z = 3), and some a smaller unit cell with only 1.5 formula units per cell (Z = 1.5). For the larger unit

Frank–Kasper phases (913 words) [view diff] exact match in snippet view article find links to article

coordination number (ACN) of 13.5 and eight A3B stoichiometry atoms per unit cell where two B atoms are surrounded by CN12 polyhedral (icosahedra), and

Bornite (560 words) [view diff] exact match in snippet view article find links to article

temperatures above 228 °C (442 °F), the structure is isometric with a unit cell that is about 5.50 Å on an edge. This structure is based on cubic close-packed

Apatite (3,395 words) [view diff] exact match in snippet view article find links to article

common endmembers is written as Ca10(PO4)6(OH,F,Cl)2, and the crystal unit cell formulae of the individual minerals are written as Ca10(PO4)6(OH)2, Ca10(PO4)6F2

Albite (561 words) [view diff] exact match in snippet view article find links to article

Although both variants are triclinic, they differ in the volume of their unit cell, which is slightly larger for the 'high' form. The 'high' form can be

Clathrate hydrate (3,692 words) [view diff] exact match in snippet view article find links to article

observed (Type H). The unit cell of Type I consists of 46 water molecules, forming two types of cages – small and large. The unit cell contains two small

Rhenium trioxide (510 words) [view diff] exact match in snippet view article find links to article

reduced with dioxane. Rhenium trioxide crystallizes with a primitive cubic unit cell, with a lattice parameter of 3.742 Å (374.2 pm). The structure of ReO3

Caesium cadmium chloride (178 words) [view diff] exact match in snippet view article find links to article

X=halogen ions). It crystallizes in a hexagonal space group P63/mmc with unit cell lengths a = 7.403 Å and c = 18.406 Å, with one cadmium ion having D3d

Vanadinite (1,318 words) [view diff] exact match in snippet view article find links to article

unit cell of vanadinite, the smallest divisible unit that possesses the same symmetry and properties, is in the form of a hexagonal prism. The unit cell

NASICON (2,814 words) [view diff] exact match in snippet view article find links to article

which TiO6 octahedra and PO4 tetrahedra are arranged in a rhombohedral unit cell. The LTP crystal structure is stable down to 100 K and is characterized

Radium sulfate (317 words) [view diff] exact match in snippet view article find links to article

the orthorhombic crystal system, with a unit cell of dimensions a = 9.13 b=5.54 and c = 7.31 Å. The unit cell volume is 369.7 Å3. Distance from the radium

Titanium perchlorate (548 words) [view diff] exact match in snippet view article find links to article

with unit cell parameters a=12.451 b=7.814 c=12.826 Å α=108.13. Unit cell volume is 1186 Å3 at -100 °C. There are four molecules per unit cell. It reacts

Alabandite (266 words) [view diff] exact match in snippet view article find links to article

Fm3m with the lattice parameter a = 5.22 Å and four formula units per unit cell. List of minerals Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols"

Low-energy electron diffraction (4,824 words) [view diff] exact match in snippet view article find links to article

the size and rotational alignment of the adsorbate unit cell with respect to the substrate unit cell. Quantitatively, where the intensities of diffracted

White tin (196 words) [view diff] exact match in snippet view article find links to article

8 °F), a transformation known as tin pest). White tin has tetragonal unit cell. Cornwall portal Chambers's encyclopædia: A dictionary of universal knowledge

Samarium(III) sulfide (479 words) [view diff] exact match in snippet view article

system. The unit cell has dimensions a=7.376, b=3.9622 c=15.352 Å with volume 448.7 Å3. There are four of the formula in each unit cell (Sm8S12). The

Samarium(III) sulfide (479 words) [view diff] exact match in snippet view article

system. The unit cell has dimensions a=7.376, b=3.9622 c=15.352 Å with volume 448.7 Å3. There are four of the formula in each unit cell (Sm8S12). The

Schwarz minimal surface (639 words) [view diff] exact match in snippet view article find links to article

to the surface. Hence given a suitable initial polygon inscribed in a unit cell periodic surfaces can be constructed. The Schwarz surfaces have topological

Representative elementary volume (1,640 words) [view diff] exact match in snippet view article find links to article

volume (REV) (also called the representative volume element (RVE) or the unit cell) is the smallest volume over which a measurement can be made that will

Magnetite (5,381 words) [view diff] exact match in snippet view article find links to article

with Fe2+ cations, occupy octahedral sites. The unit cell consists of thirty-two O2- ions and unit cell length is a = 0.839 nm. As a member of the inverse

Nickeline (809 words) [view diff] exact match in snippet view article find links to article

include within similarly modified nickel mines of the Kambalda area. The unit cell of nickeline is used as the prototype of a group of crystalline solids

Magnesium aluminide (296 words) [view diff] exact match in snippet view article find links to article

\beta } -Mg2Al3 is a complex metallic alloy which crystallizes in cubic unit cell with 1168 atoms per cell. If the Wyckoff positions were fully occupied

Pentadecahedron (301 words) [view diff] exact match in snippet view article find links to article

in the form of pentadecahedra. Calculations have shown that there is a unit cell of the pentadecahedron that is stable in the crystal. There are 23,833

Monticellite (280 words) [view diff] exact match in snippet view article find links to article

inversion sites and calcium ions occupy the M2 site on mirror planes. The unit cell is somewhat larger than for the calcium free olivines forsterite and fayalite

Djerfisherite (385 words) [view diff] exact match in snippet view article find links to article

studies have 58 atoms per unit cell. Sulfur atoms are in three nonequivalent locations, containing 12, 6, and 8 atoms per unit cell. The later study put a

Hemihydrate (96 words) [view diff] exact match in snippet view article find links to article

sometimes characterized as a solid that has one "half molecule" of water per unit cell. An example of this is calcium sulfate hemihydrate (CaSO4·0.5H2O or 2CaSO4·H2O)

Langite (735 words) [view diff] exact match in snippet view article find links to article

so the unit cell is almost brick-shaped (as for the orthorhombic system). Different sources give slightly different values for the unit cell parameters

Carrollite (805 words) [view diff] exact match in snippet view article find links to article

Sykesville. Space group: Fd3m. Unit cell parameters = a = 9.48 Å, Z = 8. Unit cell volume: V = 851.97 Å3 (calculated from unit cell parameters). The linnaeite

Plumbogummite (523 words) [view diff] exact match in snippet view article find links to article

R3m. The reported lattice parameters (the lengths of the sides of the unit cell) vary in detail according to the source, but all agree that normal plumbogummite

Copper(I) sulfide (590 words) [view diff] exact match in snippet view article

("low-chalcocite") has a complex structure with 96 copper atoms in the unit cell. The hexagonal form, stable above 104 °C, has 24 crystallographically

Antimony trifluoride (459 words) [view diff] exact match in snippet view article find links to article

Unit cell

Lead bismuthate (1,113 words) [view diff] exact match in snippet view article find links to article

lead atoms are then disbursed within the layers, forming a hexagonal unit cell, with a lead atom in each of the corners. The density of the crystal is

Alacránite (1,530 words) [view diff] no match in snippet view article find links to article

properties and the unit-cell dimensions but further studies argue that it is different with respect to chemical formula and unit-cell volume. The chemistry

Lamprophyllite (465 words) [view diff] no match in snippet view article find links to article

Lamprophyllite is monoclinic, The mineral also has an orthorhombic polytype Unit-cell parameters mainly depend from the cationic composition in the interlayer

Polymorphs of silicon carbide (921 words) [view diff] exact match in snippet view article find links to article

sequence of those configurations defines the crystal structure, where the unit cell is the shortest periodically repeated sequence of the stacking sequence

Polarization density (3,348 words) [view diff] exact match in snippet view article find links to article

wrong. For example, if Alice chooses a unit cell with positive ions at the top and Bob chooses the unit cell with negative ions at the top, their computed

Bismuth trifluoride (499 words) [view diff] exact match in snippet view article find links to article

Mg3Pr, Cu3Sb, Fe3Si, and AlFe3, as well as by the hydride LaH3.0. The unit cell is face-centered cubic with Bi at the face centers and vertices, and F

Barium ferrite (1,564 words) [view diff] exact match in snippet view article find links to article

Fe3+ 12O2− 19. The Fe3+ centers are ferrimagnetically coupled, and one unit cell of BaM has a net magnetic moment of 40μB. This area of technology is usually

Hubbard model (2,493 words) [view diff] exact match in snippet view article find links to article

criteria for conductors, such as having an odd number of electrons per unit cell. The model was originally proposed in 1963 to describe electrons in solids

Lanthanum manganite (461 words) [view diff] exact match in snippet view article find links to article

as LaMnO3+ẟ. These vacancies generate a structure with a rhombohedral unit cell in this perovskite. A temperatures below 140 K, this LaMnO3+ẟ semiconductor

Gallium(III) bromide (869 words) [view diff] exact match in snippet view article

monoclinic crystalline structure with a unit cell volume of 524.16 Å3. Additional specifications for this unit cell are as follows: a = 8.87 Å, b = 5.64

Rutile (1,412 words) [view diff] exact match in snippet view article find links to article

The unit cell of rutile. Ti atoms are gray; O atoms are red.

Boron suboxide (1,034 words) [view diff] exact match in snippet view article find links to article

structure built of eight icosahedra at the apexes of the rhombohedral unit cell. Each icosahedron is composed of twelve boron atoms. Two oxygen atoms

Ettringite (1,617 words) [view diff] exact match in snippet view article find links to article

unit cell is of a hexagonal form with a = 11.26 and c = 21.48 with space group P6 3/mmc and Z = 2, where Z is a number of formula units per unit cell

Zirconium tungstate (1,053 words) [view diff] exact match in snippet view article find links to article

groups at the Cl sites. The unit cell consists of 44 atoms aligned in a primitive cubic Bravais lattice, with unit cell length 9.15462 Angstroms. The

Sodium hexafluoroaluminate (617 words) [view diff] exact match in snippet view article find links to article

Sodium aluminium hexafluoride unit cell

Superstructure (condensed matter) (696 words) [view diff] exact match in snippet view article

g., at q=(½,0,0), the resulting broken symmetry is a multiple of the unit cell along that axis. Such a modulation is called a commensurate superstructure

Tsumebite (715 words) [view diff] exact match in snippet view article find links to article

elements only at the vertices of the unit cell. These structural elements are made up of two formula units (Z = 2). Unit cell parameters are a = 8.69 Å, b =

Andradite (436 words) [view diff] no match in snippet view article find links to article

garnets, andradite crystallizes in the cubic space group [[Ia3d]], with unit-cell parameter of 12.051 Å at 100 K. The spin structure of andradite contains

Magnesium silicide (564 words) [view diff] exact match in snippet view article find links to article

face-centered positions of the unit cell and Mg centers occupy eight tetrahedral sites in the interior of the unit cell. The coordination numbers of Si

Titanium disulfide (2,234 words) [view diff] exact match in snippet view article find links to article

determined. The unit cell of titanium disulfide is 3.407 by 5.695 angstroms. The size of the unit cell decreased at 17.8 GPa. The decrease in unit cell size was

Pyroxferroite (775 words) [view diff] exact match in snippet view article find links to article

6 or 7 oxygen atoms; there are 7 inequivalent metal polyhedra in the unit cell. The resulted layers are parallel to (110) planes in pyroxferroite, whereas

Split-ring resonator (4,045 words) [view diff] exact match in snippet view article find links to article

with a pair of flat concentric c-shaped sheets, placed on each side of a unit cell. The unit cells are stacked on top of each other by a length, l. The final

Geomathematics (1,428 words) [view diff] exact match in snippet view article find links to article

The Metrical Matrix uses the basis vectors of the unit cell dimensions to find the volume of a unit cell, d-spacings, the angle between two planes, the angle

Burgers vector (748 words) [view diff] exact match in snippet view article find links to article

a rectangle whose lengths and widths are integer multiples of a (the unit cell edge length) is drawn encompassing the site of the dislocation's origin

Indium(III) sulfate (3,497 words) [view diff] exact match in snippet view article

chlorine gas chemical transport at 848 K, it has a monoclinic form with unit cell dimensions a = 8.570 Å, b = 8.908 Å and c = 12.0521 Å, β = 91.05°, and

Naldrettite (238 words) [view diff] exact match in snippet view article find links to article

pyramidal class. This means that all of the edge lengths (a,b,c) of the unit cell are different in length and intersect at right angles to each other. The

Cerium nitrates (2,645 words) [view diff] exact match in snippet view article find links to article

crystals with space group P21lc with unit cell dimensions a=8.723 Å b=8.940 Å c=13.981 Å, β = 94.91°. Each unit cell contains two formula units Ce2O(NO3)6(H2O)3

Mechanical metamaterial (4,113 words) [view diff] exact match in snippet view article find links to article

unit cell structures as well as the artistic fields of origami and kirigami. While early mechanical metamaterials had regular repeats of simple unit cell

Falcondoite (629 words) [view diff] exact match in snippet view article find links to article

space group Pncn. The unit cell dimensions are a = 13.5 Å, b = 26.9 Å, c = 5.24 Å, and α = 90°, β = 90°, γ = 90°. The standard unit cell volume is equal to

Realgar (1,119 words) [view diff] exact match in snippet view article find links to article

the yellow sulfide orpiment, but is a distinct chemical compound. The unit cell of realgar, showing clearly the As4S4 molecules it contains Cluster of

Wurtzite (358 words) [view diff] exact match in snippet view article find links to article

zinc and sulfur atoms that are stacked in an ABABABABAB pattern. The unit cell parameters of wurtzite are (-2H polytype): a = b = 3.81 Å = 381 pm c =

Le Bail method (872 words) [view diff] exact match in snippet view article find links to article

determine the atomic structure of a crystalline material and to refine the unit cell and has the added advantage of checking phase-purity. Generally, the intensities

Nickel(II) chromate (592 words) [view diff] exact match in snippet view article

orthorhombic structure with unit cell sizes a = 5.482 Å, b = 8.237 Å, c = 6.147 Å. The cell volume is 277.6 Å3 with four formula per unit cell. Nickel chromate is

Protein structure database (756 words) [view diff] exact match in snippet view article find links to article

three-dimensional coordinates as well as experimental information, such as unit cell dimensions and angles for x-ray crystallography determined structures

Baryte (2,235 words) [view diff] exact match in snippet view article find links to article

The unit cell of baryte

Metal (11,342 words) [view diff] exact match in snippet view article find links to article

with a 2-atom unit cell, as found in e.g. chromium, iron, and tungsten Face-centered cubic crystal structure, with a 4-atom unit cell, as found in e

Dibenzylaniline (295 words) [view diff] exact match in snippet view article find links to article

The space group is P21/n. The unit cell dimensions are a=11.751 Å b=9.060 Å c=29.522 Å, and β=94.589°. Each unit cell contains two molecules. In the

Active-pixel sensor (5,216 words) [view diff] exact match in snippet view article find links to article

which was invented by Peter J.W. Noble in 1968, where each pixel sensor unit cell has a photodetector (typically a pinned photodiode) and one or more active

Maucherite (161 words) [view diff] exact match in snippet view article find links to article

specific gravity of 7.83. It is also known as placodine and Temiskamite. The unit cell is of symmetry group P41212 or P43212. It has the chemical formula: Ni11As8

Silver cyanate (261 words) [view diff] exact match in snippet view article find links to article

parameters a = 547.3 pm, b = 637.2 pm, c = 341.6 pm, and β = 91°. Each unit cell contains two cyanate ions and two silver ions. The silver ions are each

Alexander Davydov (523 words) [view diff] exact match in snippet view article find links to article

presence of more than one (interacting) equivalent molecular entity in the unit cell." In the period 1958–1960 he developed the theory of collective excited

Helimagnetism (1,577 words) [view diff] exact match in snippet view article find links to article

helimagnet. If the spiral's period is some rational multiple of the crystal's unit cell, the structure is commensurate, like the structure originally proposed

Girih (2,953 words) [view diff] exact match in snippet view article find links to article

patterns made this way are based on tessellations, tiling the plane with a unit cell and leaving no gaps. Because the tiling makes use of translation and rotation

Disodium octaborate (1,069 words) [view diff] exact match in snippet view article find links to article

form has monoclinic crystal structure, with the P21/a space group. The unit cell parameters at 273 K are: a = 650.7 pm, b = 1779 pm, c = 837.7 pm, β =

Corundum (2,116 words) [view diff] exact match in snippet view article find links to article

lattice parameters a = 4.75 Å and c = 12.982 Å at standard conditions. The unit cell contains six formula units. The toughness of corundum is sensitive to

Amyloid-beta precursor protein (5,490 words) [view diff] exact match in snippet view article find links to article

'small unit cell' form, metal-free 2fk1: Structure of the Alzheimer's Amyloid Precursor Protein (APP) Copper Binding Domain in 'small unit cell' form,

Troilite (1,070 words) [view diff] exact match in snippet view article find links to article

hexagonal structure (Pearson symbol hP24, Space group P-62c No 190). Its unit cell is approximately a combination of two vertically stacked basic NiAs-type

Augite (367 words) [view diff] exact match in snippet view article find links to article

Monoclinic Crystal class Prismatic (2/m) (same H-M symbol) Space group C2/c Unit cell a = 9.699, b = 8.844 c = 5.272 [Å] β = 106.97°; Z = 4 Identification Color

Promethium(III) oxide (124 words) [view diff] exact match in snippet view article

b and c are lattice parameters, Z is the number of formula units per unit cell, density is calculated from X-ray data. The low-temperature cubic form

Allotropes of boron (3,275 words) [view diff] exact match in snippet view article find links to article

Structure of β-R boron Structure of γ-boron α-rhombohedral boron has a unit cell of twelve boron atoms. The structure consists of B 12 icosahedra in which

Plattnerite (373 words) [view diff] exact match in snippet view article find links to article

lattice constants a = 0.491 nm, c = 0.3385 nm, Z = 2 (two formula units per unit cell). Lead dioxide is used in lead acid batteries and electrochemistry, but

Greigite (562 words) [view diff] exact match in snippet view article find links to article

acetyl-CoA pathway. Greigite has the spinel structure. The crystallographic unit cell is cubic, with space group Fd3m. The S anions form a cubic close-packed

Howlite (635 words) [view diff] exact match in snippet view article find links to article

Monoclinic Crystal class Prismatic (2/m) (same H-M symbol) Space group P21/c Unit cell a = 12.82 Å, b = 9.351(1) Å c = 8.608(2) Å; β = 104.84(2)°; Z = 4 Identification

Tricalcium aluminate (833 words) [view diff] exact match in snippet view article find links to article

crystals are cubic, with unit cell dimension 1.5263 nm and has density 3064 kg·m−3. It melts with decomposition at 1542 °C. The unit cell contains 8 cyclic Al6O1818−

Forsterite (1,409 words) [view diff] exact match in snippet view article find links to article

forsterite looking along the a axis. Oxygen is shown in red, silicon in pink, and Mg in blue. A projection of the unit cell is shown by the black rectangle.

Zircon (3,265 words) [view diff] exact match in snippet view article find links to article

VY O4 in the case of xenotime) as zircon. Crystal structure of zircon Unit cell of zircon Scanning electron microscope image of zircon Unusual olive-green

Suboxide (447 words) [view diff] exact match in snippet view article find links to article

compounds indicating a degree of electron delocalisation. Cs7O has a unit cell containing a Cs11O3 cluster and 10 Cs atoms. The cluster can be visualised

Huttonite (1,097 words) [view diff] exact match in snippet view article find links to article

Huttonite crystallizes in the monoclinic system with space group P21/n. The unit cell contains four ThSiO4 units, and has dimensions a = 6.784 ± 0.002Å, b = 6

Bararite (2,105 words) [view diff] exact match in snippet view article find links to article

hexafluorosilicate. Its symmetry is 32/m. The space group is P3m1. The a-axes in the unit cell are 5.784 ± 0.005 Å (angstroms), and the c-axis is 4.796 ± 0.006 Å. The

Neodymium tantalate (433 words) [view diff] exact match in snippet view article find links to article

with space group I2/a, unit cell dimensions a = 0.55153 nm, b = 1.12388 nm, c = 0.51184 nm, β = 95.731°, with formulas per unit cell Z = 4. There is a metastable

Reflectarray antenna (1,525 words) [view diff] exact match in snippet view article find links to article

account for the varying path lengths from the feeding antenna to each unit cell). A progressive phase shift can be applied to the unit cells to steer

Electronic band structure (4,835 words) [view diff] exact match in snippet view article find links to article

electrons in each unit cell. If the number of electrons is odd, we would then expect that there is an unpaired electron in each unit cell, and thus that

Fracture toughness (4,639 words) [view diff] exact match in snippet view article find links to article

Also, the original orientation of the unit cell is critical as the toughening effect cannot occur if the unit cell is already aligned with the tensile stress

Fayalite (501 words) [view diff] exact match in snippet view article find links to article

fayalite looking along the A axis. Oxygen is shown in red, silicon in pink, and iron in blue. A projection of the unit cell is shown by the black rectangle.

Rhenium(IV) chloride (256 words) [view diff] exact match in snippet view article

Rhenium(IV) chloride Unit cell of Rhenium(IV) chloride. Names Other names rhenium tetrachloride Identifiers CAS Number 13569-71-6 3D model (JSmol) Interactive

Diffusionless transformation (1,263 words) [view diff] exact match in snippet view article find links to article

displacement of atoms within the unit cell. Notably, pure shuffles typically do not induce a modification in the shape of the unit cell; instead, they predominantly

Micromechanics (2,216 words) [view diff] case mismatch in snippet view article find links to article

requires special-purpose codes. The Variational Asymptotic Method for Unit Cell Homogenization (VAMUCH) and its development, Mechanics of Structural Genome

Prediction of crystal properties by numerical simulation (1,346 words) [view diff] exact match in snippet view article find links to article

construct a cell of two interlocked cubes – 8 Na and 8 Cl – as one's unit cell. This will give the correct answer but is computationally wasteful. By

Fluorite structure (559 words) [view diff] exact match in snippet view article find links to article

fluoride; unit cell expanded by a unit of 3. View of extended packing structure of calcium fluoride down a separate axis; expanded unit cell. Rock-salt

Spinel group (1,943 words) [view diff] exact match in snippet view article find links to article

and four octahedral sites per formula unit (but eight times as many per unit cell). The tetrahedral spaces are smaller than the octahedral spaces. B ions

Gold(I) sulfide (228 words) [view diff] exact match in snippet view article

Gold(I) sulfide unit cell

Lead tetrafluoride (124 words) [view diff] exact match in snippet view article find links to article

Lead tetrafluoride Unit cell of lead tetrafluoride Names IUPAC name Tetrafluoroplumbane Other names Lead(IV) fluoride Lead tetrafluoride Tetrafluoridolead

Lead tetrafluoride (124 words) [view diff] exact match in snippet view article find links to article

Lead tetrafluoride Unit cell of lead tetrafluoride Names IUPAC name Tetrafluoroplumbane Other names Lead(IV) fluoride Lead tetrafluoride Tetrafluoridolead

Jerrygibbsite (519 words) [view diff] no match in snippet view article find links to article

pink. The crystal structure described by Kato is the equivalent of a unit-cell-twinned sonolite in which the cells are related by a b/4 glide plane.

Linnaeite (120 words) [view diff] exact match in snippet view article find links to article

Crystal class Hexoctahedral (m3m) H-M symbol: (4/m 3 2/m) Space group Fd3m Unit cell a = 9.43 Å; Z = 8 Identification Color Steel gray to gray violet Crystal

Slip (materials science) (1,845 words) [view diff] exact match in snippet view article

110\rangle |={\frac {a{\sqrt {2}}}{2}}} Where a is the lattice constant of the unit cell. Slip in body-centered cubic (bcc) crystals occurs along the plane of

Xenon fluoride nitrate (471 words) [view diff] exact match in snippet view article find links to article

is P21/c, which is monoclinic. The unit cell contains four molecules with a total volume of 386.6 Å3. The unit cell dimensions are a = 4.6663 Å, b = 8

Uraninite (786 words) [view diff] exact match in snippet view article find links to article

Crystal class Hexoctahedral (m3m) H-M symbol: (4/m 3 2/m) Space group Fm3m Unit cell a = 5.4682 Å; Z = 4 Identification Color Steel-black to velvet-black,

Faizievite (253 words) [view diff] exact match in snippet view article find links to article

Triclinic Crystal class Pinacoidal (1) (same H-M symbol) Space group P1 Unit cell a = 9.82, b = 9.82 c = 17.31 [Å], α = 99.209(2)° β = 94.67(2)°, γ = 119

Actinium(III) oxide (181 words) [view diff] exact match in snippet view article

Unit cell, ball and stick model of actinium(III) oxide

Chrysocolla (603 words) [view diff] exact match in snippet view article find links to article

classification 9.ED.20 Crystal system Orthorhombic Unknown space group Unit cell a = 5.7 Å, b = 8.9 Å, c = 6.7 Å; Z = 1 Identification Color Blue, cyan

Kojori (1,017 words) [view diff] no match in snippet view article find links to article

based on an assessment of an oxidative stress at the level of the life unit - cell in order to prevent possible chronic diseases and premature ageing. The

Eskolaite (180 words) [view diff] exact match in snippet view article find links to article

lattice parameters a = 4.95 Å and c = 13.58 Å at standard conditions. The unit cell contains six formula units. The lattice is analogous to that of corundum

Plutonium-238 (4,143 words) [view diff] exact match in snippet view article find links to article

66053906660×10−24g/dalton×238.0495599 daltons/atom×16 atoms/unit cell)/(319.96 Å3/unit cell × 10−24cc/Å3) or 19.8 g/cc. Miotla, Dennis (April 21, 2008)

Transmitarray antenna (4,884 words) [view diff] exact match in snippet view article find links to article

efficiency of a transmitarray panel. Provided that the insertion loss of each unit cell is minimised, an aperture area appropriate to the feed radiation pattern

Zinnwaldite (164 words) [view diff] exact match in snippet view article find links to article

Crystal class Prismatic (2/m) (same H-M symbol) Space group Cc (no. 9) Unit cell a = 5.29, b = 9.14 c = 10.09 [Å]; β = 100.83° Identification Color Gray-brown

Fluocerite (230 words) [view diff] exact match in snippet view article find links to article

Hexagonal scalenohedral Space group P3c1 (No. 165) Unit cell 328.80 Å³ (Calculated from Unit Cell) Identification Formula mass 196.02 Colour Greenish-yellow

Lithium azide (136 words) [view diff] exact match in snippet view article find links to article

Lithium azide Li+ N−3 Lithium azide unit cell Names IUPAC name lithium azide Identifiers CAS Number 19597-69-4 3D model (JSmol) Interactive image

Rhodochrosite (778 words) [view diff] exact match in snippet view article find links to article

class Hexagonal scalenohedral (3m) H-M symbol: (3 2/m) Space group R3c Unit cell a = 4.777, c = 15.67 [Å]; Z = 6 Identification Formula mass 114.95 g/mol

Neptunite (230 words) [view diff] exact match in snippet view article find links to article

Monoclinic Crystal class Domatic (m) (same H-M symbol) Space group Cc Unit cell a = 16.427(2), b = 12.478(2) c = 9.975(1) Å; β = 115.56(1)°; Z = 4 Identification

Hexagonal lattice (224 words) [view diff] exact match in snippet view article find links to article

Hexagonal lattice Wallpaper group p6m Unit cell

Commensurability (162 words) [view diff] exact match in snippet view article find links to article

a distance that is mathematically commensurate with the length of the unit cell. Commensurability (economics), whether economic value can always be measured

Invariant (physics) (676 words) [view diff] exact match in snippet view article

density is periodic and invariant with respect to discrete translations by unit cell vectors. In very few materials, this symmetry can be broken due to enhanced

Matlockite (443 words) [view diff] exact match in snippet view article find links to article

Ditetragonal dipyramidal (4/mmm) H-M symbol: (4/m 2/m 2/m) Space group P4/nmm Unit cell a = 4.11 Å, c = 7.23 Å; Z = 2 Identification Colour Colourless to yellow

Yttrium barium copper oxide (2,499 words) [view diff] exact match in snippet view article find links to article

YBa2Cu3O7−x. When x = 1, the O(1) sites in the Cu(1) layer (as labelled in the unit cell) are vacant and the structure is tetragonal. The tetragonal form of YBCO

Sillimanite (471 words) [view diff] exact match in snippet view article find links to article

Crystal class Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m) Space group Pbnm Unit cell a = 7.47 Å, b = 7.66 Å c = 5.75 Å; Z = 4 Identification Color Colourless

Niobium(IV) fluoride (185 words) [view diff] exact match in snippet view article

Niobium(IV) fluoride Unit cell of niobium(IV) fluoride. Names IUPAC name Niobium(IV) fluoride Other names Niobium tetrafluoride Identifiers CAS Number

Manganosite (120 words) [view diff] exact match in snippet view article find links to article

Crystal class Hexoctahedral (m3m) H-M symbol: (4/m 3 2/m) Space group Fm3m Unit cell a = 4.44 Å; Z = 4 Identification Color Emerald-green, becoming black on

Scrutinyite (436 words) [view diff] exact match in snippet view article find links to article

= 0.497 nm, b = 0.596 nm, c = 0.544 nm, Z = 4 (four formula units per unit cell) were in reasonable agreement with previous results obtained on synthetic

Oxide (1,544 words) [view diff] exact match in snippet view article find links to article

The unit cell of rutile, an important oxide of titanium. Ti(IV) centers are grey; oxygen centers are red. Notice that oxygen forms three bonds to titanium

Promethium(III) chloride (407 words) [view diff] exact match in snippet view article

lattice parameters a = 739 pm and c = 421 pm with two formula units per unit cell and thus a calculated density of 4.19 g·cm−3. When PmCl3 is heated in

Technetium(VII) oxide (198 words) [view diff] exact match in snippet view article

Technetium(VII) oxide Structural formula of technetium(VII) oxide. Unit cell of technetium(VII) oxide. Names IUPAC name Technetium(VII) oxide Other names

Selenide borate (250 words) [view diff] exact match in snippet view article find links to article

name chem mw crystal system space group unit cell volume density comments references Zn8Se2[BO2]12 I43m a=7.6749 b=7.6749 c=7.6749 band gap 4.42 eV SHG

Cassiterite (909 words) [view diff] exact match in snippet view article find links to article

Ditetragonal dipyramidal (4/mmm) H-M symbol: (4/m 2/m 2/m) Space group P42/mnm Unit cell a = 4.7382(4) Å, c = 3.1871(1) Å; Z = 2 Identification Color Black, brownish

Rameauite (239 words) [view diff] exact match in snippet view article find links to article

an example of a monoclinic mineral and appears pseudo-hexagonal. I has unit cell dimensions of: a= 13.97, b= 14.26, c= 14.22 with β = 121.02°. It was first

Sekaninaite (1,206 words) [view diff] exact match in snippet view article find links to article

shift in the iron content leads to a corresponding variance in a and b unit cell parameters (Yakubovich et al., 2003). As an aluminosilicate/cyclosilicate

Acanthite (294 words) [view diff] exact match in snippet view article find links to article

Monoclinic Crystal class Prismatic (2/m) (same H-M symbol) Space group P21/n Unit cell a = 4.229 Å, b = 6.931 Å c = 7.862 Å; β = 99.61°; Z = 4 Identification

Palladium(II) fluoride (190 words) [view diff] exact match in snippet view article

unit cell of the crystal structure of palladium(II) fluoride

Tin(IV) fluoride (253 words) [view diff] exact match in snippet view article

Tin(IV) fluoride Unit cell of tin(IV) fluoride Names IUPAC name tin(IV) fluoride Other names stannic fluoride, tin tetrafluoride Identifiers CAS Number

Thallium(I) sulfide (397 words) [view diff] exact match in snippet view article

Thallium(I) sulfide Unit cell of thallium sulfide. Names IUPAC name Thallium(I) sulfide Other names thallous sulfide, thallous sulphide Identifiers CAS

Acetyl-CoA synthetase (2,184 words) [view diff] exact match in snippet view article find links to article

structure was X-ray diffraction with a resolution of 2.3 angstroms. The unit cell values and angles are provided in the following table: The role of the

Chalcocite (310 words) [view diff] exact match in snippet view article find links to article

Monoclinic Crystal class Prismatic (2/m) (same H-M symbol) Space group P21/c Unit cell a = 15.246(4) Å, b = 11.884(2) Å, c = 13.494(3) Å; β = 116.35(1)°; Z = 48

Sekaninaite (1,206 words) [view diff] exact match in snippet view article find links to article

shift in the iron content leads to a corresponding variance in a and b unit cell parameters (Yakubovich et al., 2003). As an aluminosilicate/cyclosilicate

Larimar (724 words) [view diff] exact match in snippet view article find links to article

Triclinic Crystal class Pinacoidal (1) (same H-M symbol) Space group P1 Unit cell a = 7.99 Å, b = 7.03 Å, c = 7.03 Å; α = 90.51°, β = 95.21°, γ = 102.53°;

SSZ-13 (692 words) [view diff] exact match in snippet view article find links to article

to low cation exchange capacity. The typical chemical formula of the unit cell can be described as QxNayAl2.4Si33.6O72•zH2O (1.4 < x <27)(0.7 < y < 4

Galaxite (264 words) [view diff] exact match in snippet view article find links to article

Hexoctahedral (m3m) H-M symbol: (4/m 3 2/m) Space group Fd3m (no. 227) Unit cell a = 8.271 Å; Z = 8 Identification Color Black, red-brown, red to yellow

Ammonium perchlorate (641 words) [view diff] exact match in snippet view article find links to article

Unit cell of the crystal structure

Tetrahedron packing (1,005 words) [view diff] exact match in snippet view article find links to article

For a periodic approximant to a quasicrystal with an 82-tetrahedron unit cell, they obtained a packing density as high as 85.03%. In late 2009, a new

Pyrite (4,467 words) [view diff] exact match in snippet view article find links to article

{\displaystyle a} of stoichiometric iron pyrite FeS2 amounts to 541.87 pm. The unit cell is composed of a Fe face-centered cubic sublattice into which the S 2

Yttrium oxalate (827 words) [view diff] exact match in snippet view article find links to article

by heating the decahydrate at 210 °C) forms monoclinic crystals with unit cell dimensions a=9.3811 Å, b=11.638 Å, c=5.9726 Å, β=96.079°. Several yttrium

Dimorphite (314 words) [view diff] exact match in snippet view article find links to article

Crystal class Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m) Space group Pnma Unit cell a = 11.24, b = 9.90 c = 6.56 [Å]; Z = 4 Identification Formula mass 395

Siegenite (1,536 words) [view diff] exact match in snippet view article find links to article

cell has 2+ cations occupying 2 of the 8 tetrahedral sites and 3+ cations occupying 3/2 of the 4 octahedral sites. The second type of sub unit cell has

Protactinium(IV) chloride (313 words) [view diff] exact match in snippet view article

Brown D., Hall T.L., Moseley P.T (1973). "Structural parameters and unit cell dimensions for the tetragonal actinide tetrachlorides(Th, Pa, U, and Np)

Gold(I) bromide (359 words) [view diff] exact match in snippet view article

isostructural with gold(I) chloride and has a body centered tetragonal unit cell with a = 6.734 Å, c = 8.674 Å, and space group I41/amd. The other (P-AuBr)

Laurite (252 words) [view diff] exact match in snippet view article find links to article

Cubic Crystal class Diploidal (m3) H-M symbol: (P 2/m 3) Space group Pa3 Unit cell a = 5.61 Å; Z = 4 Structure Crystal structure of Laurite S Ru Identification

Anorthite (459 words) [view diff] exact match in snippet view article find links to article

Triclinic Crystal class Pinacoidal (1) (same H-M symbol) Space group P1 Unit cell a = 8.1768, b = 12.8768 c = 14.169 [Å]; α = 93.17° β = 115.85°, γ = 92

Labradorite (869 words) [view diff] exact match in snippet view article find links to article

Crystal system Triclinic Crystal class Pinacoidal (1) (same H-M symbol) Unit cell a = 8.155 Å, b = 12.84 Å c = 10.16 Å; α = 93.5° β = 116.25°, γ = 89.133°;

Hectorite (350 words) [view diff] exact match in snippet view article find links to article

Monoclinic Crystal class Prismatic (2/m) (same H-M symbol) Space group C2/m Unit cell a = 5.25 Å, b = 9.18 Å c = 16 Å; β = 99°; Z = 2 Identification Color White

Copper indium gallium selenide (257 words) [view diff] exact match in snippet view article find links to article

Copper indium gallium selenide CIGS unit cell. Red = Cu, yellow = Se, blue = In/Ga Identifiers CAS Number 12018-95-0(CuInSe2) ChemSpider 24774055 Y[<del

Saliotite (139 words) [view diff] exact match in snippet view article find links to article

Monoclinic Crystal class Prismatic (2/m) (same H-M symbol) Space group C2/m Unit cell a = 5.15 Å, b = 8.91 Å c = 23.83 Å; β = 94.23°; Z = 4 Identification Color

Kadowaki–Woods ratio (609 words) [view diff] exact match in snippet view article find links to article

particular group. In 2005 Hussey proposed a re-scaling of A/γ2 to account for unit cell volume, dimensionality, carrier density and multi-band effects. In 2009

Jacobsite (143 words) [view diff] exact match in snippet view article find links to article

Hexoctahedral (m3m) H-M symbol: (4/m 3 2/m) Space group Fd3m (no. 227) Unit cell a = 8.457 Å; Z = 8 Identification Color Black to brownish black Crystal

Thermal conductivity and resistivity (8,370 words) [view diff] exact match in snippet view article find links to article

of freedom is 3pq when p is the number of primitive cells with q atoms/unit cell. From these only 3p are associated with the acoustic modes, the remaining

Orpiment (1,795 words) [view diff] exact match in snippet view article find links to article

between June and October 2022, due to the mineral's toxicity. Orpiment's unit cell Orpiment's crystal structure consists of sheets The sheets are stacked

Calcium nitride (270 words) [view diff] exact match in snippet view article find links to article

Calcium nitride Unit cell containing 31 nitride ions (red) and 48 calcium ions (white). Each nitride is surrounded by six calcium, and each calcium by

Cobalt(II,III) oxide (272 words) [view diff] exact match in snippet view article

Ball-and-stick model of the unit cell of Co3O4

Corderoite (614 words) [view diff] exact match in snippet view article find links to article

three-fold rotation axes. This gives eight chloride and eight sulfide ions per unit cell. The mercury ions are located on two-fold rotation axes that do not intersect

Widgiemoolthalite (1,258 words) [view diff] exact match in snippet view article find links to article

conform to a monoclinic system of symmetry, occupying space group P21/c. A unit cell of the mineral, the smallest divisible unit that possesses the same symmetry

Lyddane–Sachs–Teller relation (1,449 words) [view diff] exact match in snippet view article find links to article

single optical branch, such as cubic systems with two different atoms per unit cell. For systems with many phonon branches, the relation does not necessarily

Cubic (317 words) [view diff] exact match in snippet view article find links to article

meeting at each vertex Cubic crystal system, a crystal system where the unit cell is in the shape of a cube Cubic function, a polynomial function of degree

Americium(III) chloride (302 words) [view diff] exact match in snippet view article

Unit cell, ball and stick model of americium(III) chloride with a legend

Stishovite (771 words) [view diff] exact match in snippet view article find links to article

dipyramidal (4/mmm) H–M symbol: (4/m 2/m 2>/m) Space group P42/mnm (No. 136) Unit cell a = 4.1772(7) Å, c = 2.6651(4) Å; Z = 2 Identification Color Colorless

Cancrinite (146 words) [view diff] exact match in snippet view article find links to article

Hexagonal Crystal class Pyramidal (6) (same H-M symbol) Space group P63 Unit cell a = 12.67(9) Å, c = 5.15(4) Å; Z= 1 Identification Color Grey-green, white

Indium(II) selenide (715 words) [view diff] exact match in snippet view article

cells spanning two layers. γ has rhombohedral crystal system, with the unit cell including four layers. β-Indium(II) selenide can be exfoliated into two-dimensional

Borate sulfide (443 words) [view diff] exact match in snippet view article find links to article

name chem mw crystal system space group unit cell volume density comments references Zn4B6O12S I43m NLO 1.9 × KDP cadmium sulfur boracite Cd3B7O13S2 cubic

Childrenite (248 words) [view diff] exact match in snippet view article find links to article

Orthorhombic Crystal class Pyramidal (mm2) (same H-M symbol) Space group Bba2 Unit cell a = 10.41 Å, b = 13.42 Å, c = 6.92 Å; Z = 8 Identification Color Yellowish

Leonite (3,014 words) [view diff] exact match in snippet view article find links to article

19.730 Å, β = 95.23°, 8 formula per unit cell, and a cell volume of V = 2195.6 Å3. The c dimension and unit cell volume are doubled due to the presence

Sodium fluorosilicate (193 words) [view diff] exact match in snippet view article find links to article

Sodium fluorosilicate Unit cell of sodium hexafluoridosilicate Names Preferred IUPAC name Sodium fluorosilicate Systematic IUPAC name Sodium hexafluoridosilicate(2–)

Frequency selective surface (6,354 words) [view diff] exact match in snippet view article find links to article

the scatterers in each unit cell. In the FSS case, the unit cell is 2-dimensional and in the photonic crystal case, the unit cell is 3-dimensional. The

Khmaralite (808 words) [view diff] exact match in snippet view article find links to article

pattern was indexed on a monoclinic unit cell and the absences consistent with the P21/c space group were found. The unit cell was similar to the electron diffraction

Eucryptite (187 words) [view diff] exact match in snippet view article find links to article

Trigonal Crystal class Rhombohedral (3) H-M symbol: (3) Space group R3 Unit cell a = 13.48, c = 9.01 [Å]; Z = 18 Identification Color Brown, colorless

Rubidium sulfide (286 words) [view diff] exact match in snippet view article find links to article

{\displaystyle Fm{\bar {3}}m} . Rubidium sulfide has a crystal lattice unit cell dimension of = 765.0 pm. Rubidium sulfide reacts with sulfur in hydrogen

Scotlandite (848 words) [view diff] exact match in snippet view article find links to article

with unit cell dimensions: a = 4.505 Å, b = 5.333 Å, c = 6.405 Å; β= 106.24°; Z = 2. If the present a and c axes are interchanged, the unit cell of scotlandite

Cobalt monosilicide (137 words) [view diff] exact match in snippet view article find links to article

right-handed CoSi crystals (3 presentations, with different numbers of atoms per unit cell) Names IUPAC name Cobalt silicide Identifiers 3D model (JSmol) Interactive

Halite (1,532 words) [view diff] exact match in snippet view article find links to article

Crystal class Hexoctahedral (m3m) H-M symbol: (4/m 3 2/m) Space group Fm3m Unit cell a = 5.6404(1) Å; Z = 4 Identification Formula mass 58.433 g/mol Color

Tin(II) sulfate (236 words) [view diff] exact match in snippet view article

Tin(II) sulfate Unit cell of tin(II) sulfate. Names Other names Stannous sulfate Identifiers CAS Number 7488-55-3 Y 3D model (JSmol) Interactive image

Triplite (260 words) [view diff] exact match in snippet view article find links to article

Crystal class Prismatic (2/m) (same H-M symbol) Space group I2/a (no. 15) Unit cell a = 11.97 Å, b = 6.52 Å c = 10.09 Å; β = 105.62°; Z = 8 Identification

Patrónite (245 words) [view diff] exact match in snippet view article find links to article

Monoclinic Crystal class Prismatic (2/m) (same H-M symbol) Space group I2/c Unit cell a = 12.11 Å, b = 10.42 Å, c = 6.78 Å; β = 100.8°; Z = 8 Identification

Salammoniac (823 words) [view diff] exact match in snippet view article find links to article

Crystal class Hexoctahedral (m3m) H-M symbol: (4/m 3 2/m) Space group Pm3m Unit cell a = 3.859 Å; Z = 1 Identification Formula mass 53.49 g/mol Color Colorless

Sulfate carbonate (1,068 words) [view diff] exact match in snippet view article find links to article

name formula system space group unit cell volume Å3 density optical ref Brianyoungite Zn12(CO3)3(SO4)(OH)16 Monoclinic P21/m a = 15.724 b = 6.256 c =

Rubidium nitrate (234 words) [view diff] exact match in snippet view article find links to article

Rubidium nitrate Unit cell of rubidium nitrate Names IUPAC name Rubidium nitrate Identifiers CAS Number 13126-12-0 Y 3D model (JSmol) Interactive image

Arsenic triiodide (285 words) [view diff] exact match in snippet view article find links to article

Unit cell ball and stick model of arsenic triiodide

Samsonite (mineral) (145 words) [view diff] exact match in snippet view article

Monoclinic Crystal class Prismatic (2/m) (same H-M symbol) Space group P21/n Unit cell a = 10.3861(6) Å b = 8.1108(7) Å c = 6.663(7) Å β = 92.639(12)°; Z = 2

Molybdenite (599 words) [view diff] exact match in snippet view article find links to article

Ditrigonal pyramidal (3m) Space group 2H polytype: P63/mmc 3R polytype: R3m Unit cell 2H polytype: a = 3.16 Å, c = 12.3 Å; Z = 2 3R polytype: a = 3.16 Å, c

Triploidite (160 words) [view diff] exact match in snippet view article find links to article

Monoclinic Crystal class Prismatic (2/m) (same H-M symbol) Space group P21/a Unit cell a = 12.36 Å, b = 13.27 Å c = 9.94 Å; β = 108.23°; Z = 16 Identification

Sugilite (338 words) [view diff] exact match in snippet view article find links to article

Dihexagonal dipyramidal (6/mmm) H-M symbol: (6/m 2/m 2/m) Space group P6/mcc Unit cell a = 10, c = 14 [Å]; Z = 2 Identification Color Light brownish-yellow,

Langbeinites (6,652 words) [view diff] exact match in snippet view article find links to article

polyanions (such as sulfate) and distorted metal ion-oxygen octahedra. The unit cell contains four formula units. In the cubic form the tetrahedral anions

Cooperite (mineral) (167 words) [view diff] exact match in snippet view article

Ditetragonal dipyramidal Space group P42/mmc (No. 131) Unit cell 73.57 Å³ (Calculated from Unit Cell) Identification Colour Steel gray Twinning Occasional

Triphylite (375 words) [view diff] exact match in snippet view article find links to article

Crystal class Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m) Space group Pmnb Unit cell a = 6.0285(6) Å, b = 10.3586(9) Å, c = 4.7031(3) Å, Z = 4 Identification

Arsenic pentoxide (671 words) [view diff] exact match in snippet view article find links to article

As coordination unit cell cell packing

Mercury(I) fluoride (316 words) [view diff] exact match in snippet view article

Unit cell of Hg2F2, with F from adjacent molecules coordinating the Hg atoms

Lutetium phosphide (273 words) [view diff] exact match in snippet view article find links to article

crystals, space group Fm3m, cell parameters a = 0.5533 nm, with formulas per unit cell Z = 4. It is stable in air, does not dissolve in water and reacts actively

Mimetite (450 words) [view diff] exact match in snippet view article find links to article

Hexagonal Crystal class Dipyramidal (6/m) (same H-M symbol) Space group P63/m Unit cell a = 10.250(2) Å, c = 7.454(1) Å; Z = 2 Identification Color Pale to bright

Spinel (1,537 words) [view diff] exact match in snippet view article find links to article

Hextetrahedral (43m) H–M symbol: (43m) Space group F 4 3 m (No. 216) Unit cell a = 8.0898(9) Å; Z = 8 Identification Color Various; red, pink, blue,

Titanite (1,013 words) [view diff] exact match in snippet view article find links to article

Monoclinic Crystal class Prismatic (2/m) (same H–M symbol) Space group P21/a Unit cell a = 7.057 Å, b = 8.707 Å c = 6.555 Å; β = 113.81°; Z = 4 Identification

Epsomite (552 words) [view diff] exact match in snippet view article find links to article

Crystal class Disphenoidal (222) H-M symbol: (2 2 2) Space group P2₁2₁2₁ Unit cell a = 11.86, b = 11.99 c = 6.858 [Å]; Z = 4 Identification Color White,

Calderite (156 words) [view diff] exact match in snippet view article find links to article

Crystal class Hexoctahedral (m3m) H-M symbol: (4/m 3 2/m) Space group Ia3d Unit cell a = 11.819 Å; Z = 8 Identification Color brownish red to brownish yellow

Fulleride (1,439 words) [view diff] no match in snippet view article find links to article

transition temperature in alkaline-metal-doped fullerene increases with the unit-cell volume V. As Cs+ is the largest alkali ion, caesium-doped fullerene is

Wiklundite (170 words) [view diff] exact match in snippet view article find links to article

Mg)19(As3+O3)2(Si,As5+O4)6(OH)18Cl6. The mineral characterizes in a large c unit cell parameter. It was found in Långban, Sweden - a home for many rare and

Scorodite (126 words) [view diff] exact match in snippet view article find links to article

Crystal class Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m) Space group Pcab Unit cell a = 8.937 Å, b = 10.278 Å c = 9.996 Å; Z = 8 Identification Color Green

Caesium acetate (284 words) [view diff] exact match in snippet view article find links to article

Caesium acetate Structural formula Unit cell of anhydrous caesium acetate. Names Preferred IUPAC name Caesium acetate Other names Cesium acetate Identifiers

Single-layer materials (8,694 words) [view diff] exact match in snippet view article find links to article

with the 1T unit cell containing only one layer, the unit cell has a c parameter slightly less than half the length of that of the 2H unit cell (5.95 Å and

Antimonide iodide (432 words) [view diff] exact match in snippet view article find links to article

formula system space group unit cell Å volume density comment ref Ge38Sb8I8 cubic Pm3n a=10.8892 clathrate; band gap 1.16 eV; thermal conductivity 7 mWcm−1K−1

Alforsite (957 words) [view diff] exact match in snippet view article find links to article

that space group. The parameters of the unit cell are a=10.25 Å and c=7.64 Å. One barium atom in the unit cell is enclosed by nine oxygen atoms with a

Zirkelite (138 words) [view diff] exact match in snippet view article find links to article

system Isometric Crystal class Hexoctahedral (m3m) H-M symbol: (4/m 3 2/m) Unit cell a = 5.02 Å, Z = 4 Identification Color Black, reddish brown Crystal habit

Plutonium(III) fluoride (300 words) [view diff] exact match in snippet view article

Unit cell, ball and stick model of plutonium(III) fluoride

Millerite (623 words) [view diff] exact match in snippet view article find links to article

Crystal class Ditrigonal pyramidal (3m) (same H-M symbol) Space group R3m Unit cell a = 9.607 Å, c = 3.143 Å; Z = 9 Identification Colour Pale brass-yellow

Tenorite (198 words) [view diff] exact match in snippet view article find links to article

Monoclinic Crystal class Prismatic (2/m) (same H-M symbol) Space group C2/c Unit cell a = 4.6837(5) Å b = 3.4226(5) Å c = 5.1288(6) Å; β = 99.47°; Z = 4 Identification

Dickite (1,686 words) [view diff] exact match in snippet view article find links to article

conducted using a pseudo-hexagonal crystal of dickite to determine the unit cell information and the layers that exist within dickite. It was found that

Scherk surface (1,038 words) [view diff] exact match in snippet view article find links to article

STL unit cell of the first Scherk surface

Wallpaper group (6,485 words) [view diff] exact match in snippet view article find links to article

lattice itself. In the 5 cases of rotational symmetry of order 3 or 6, the unit cell consists of two equilateral triangles (hexagonal lattice, itself p6m)

Tungsten carbide (3,829 words) [view diff] exact match in snippet view article find links to article

tungsten and carbon a regular trigonal prismatic, 6 coordination. From the unit cell dimensions the following bond lengths can be determined: The distance

Staurolite (414 words) [view diff] exact match in snippet view article find links to article

Monoclinic Crystal class Prismatic (2/m) (same H-M symbol) Space group C2/m Unit cell a = 7.86 Å, b = 16.6 Å c = 5.65 Å; β = 90.45°; Z = 2 Identification Color

Structure (2,209 words) [view diff] exact match in snippet view article find links to article

crystal have a structure that involves repetition of a basic unit called a unit cell. The atoms can be modeled as points on a lattice, and one can explore

Tobermorite (951 words) [view diff] exact match in snippet view article find links to article

Crystal structure of tobermorite: elementary unit cell.

Arsenide chloride (924 words) [view diff] exact match in snippet view article find links to article

formula system space group unit cell Å volume density comment ref Ca3AsCl3 Pm3m a= 5.760 Sr2AsCl dark violet Cd8As7Cl cubic P23 a=7.266, Z=1 Hg7.4As4Cl6

Rhenium compounds (2,633 words) [view diff] exact match in snippet view article find links to article

reduced with dioxane. Rhenium trioxide crystallizes with a primitive cubic unit cell, with a lattice parameter of 3.742 Å (374.2 pm). The structure of ReO3

Scandium fluoride (612 words) [view diff] exact match in snippet view article find links to article

system, using the perovskite structure with one metal position vacant. The unit cell dimension is 4.01 Å. Under pressure scandium trifluoride also forms different

Tungsten carbide (3,829 words) [view diff] exact match in snippet view article find links to article

tungsten and carbon a regular trigonal prismatic, 6 coordination. From the unit cell dimensions the following bond lengths can be determined: The distance

Xenon trioxide (620 words) [view diff] exact match in snippet view article find links to article

orthorhombic with a = 6.163 Å, b = 8.115 Å, c = 5.234 Å, and 4 molecules per unit cell. The density is 4.55 g/cm3. XeO3 should be handled with great caution

Portlandite (284 words) [view diff] exact match in snippet view article find links to article

class Hexagonal scalenohedral (3m) H-M symbol: (3 2/m) Space group P3m1 Unit cell a = 3.589 Å, c = 4.911 Å; Z = 1 Identification Color Colorless, white

Americium(III) iodide (191 words) [view diff] exact match in snippet view article

lattice parameters a = 742 pm and c = 2055 pm and six formula units per unit cell. Its crystal structure is isotypic with bismuth(III) iodide. Haynes, William

Chloritoid (146 words) [view diff] exact match in snippet view article find links to article

Crystal class 1A polytype: pinacoidal (1) 2M polytype: prismatic (2/m) Unit cell 1A polytype: a = 9.46 Å, b = 5.50 Å, c = 9.15 Å; α = 97.05°, β = 101.56°

Stannite (174 words) [view diff] exact match in snippet view article find links to article

Crystal class Scalenohedral (42m) H-M symbol: (4 2m) Space group I42m Unit cell a = 5.4432, c = 10.7299 [Å]; Z = 2 Identification Color Steel-gray to

Rubidium hydrogen sulfate (414 words) [view diff] exact match in snippet view article find links to article

monoclinic crystal structure, its structure is P21/n. Dimensions of the unit cell are: a = 1440 pm, b = 462.2 pm, c = 1436 pm and β = 118.0°. Its crystals

Zimbabweite (91 words) [view diff] exact match in snippet view article find links to article

Crystal class Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m) Space group Ccmb Unit cell a = 12.23 Å, b = 15.29 Å c = 8.66 Å, Z = 4 Identification Color Yellow

Basis (495 words) [view diff] exact match in snippet view article find links to article

database Basis (crystal structure), the positions of the atoms inside the unit cell Basis set (chemistry) Dry basis, an expression of a calculation in which

Smoky quartz (460 words) [view diff] exact match in snippet view article find links to article

trapezohedral class 3 2; β-quartz: hexagonal 622 Space group Trigonal 32 Unit cell a = 4.9133 Å, c = 5.4053 Å; Z=3 Identification Colour Brown to grey, opaque

Carbon tetrabromide (695 words) [view diff] exact match in snippet view article find links to article

Roughly speaking, the CBr4 are situated on the corners of the cubic unit cell as well as on the centers of its faces in an fcc arrangement. It was thought

Tephroite (226 words) [view diff] exact match in snippet view article find links to article

Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m) Space group Pnma (no. 62) Unit cell a = 4.88(2) Å, b = 10.61(2) Å c = 6.24(2) Å; Z = 4 Identification Color

Tremolite (382 words) [view diff] exact match in snippet view article find links to article

Crystal class Prismatic (2/m) (same H-M symbol) Space group C2/m (no. 12) Unit cell a = 9.84 Å, b = 18.02 Å c = 5.27 Å; β = 104.95°; Z = 2 Identification

Covellite (2,191 words) [view diff] exact match in snippet view article find links to article

shown that covellite nanoplatelets of approx. two nm thick, with one unit cell and two copper atoms layers, and diameters around 100 nm are ideal dimensions

Håleniusite-(La) (109 words) [view diff] exact match in snippet view article

Crystal system Isometric Space group Fm3m (No. 225) Unit cell 178.26 Å³ (Calculated from Unit Cell) Identification Formula mass 174.90 gm Colour Lemon

Trimethylsulfonium (386 words) [view diff] exact match in snippet view article find links to article

parameters: a = 5.94 μm, b = 8.00 μm, c = 8.92 μm, β = 126°32′ 2 formulas per unit cell,[clarification needed] density = 1.958 g/cm3 Trimethylsulfonium tetrafluoroborate

Hafnium(III) iodide (373 words) [view diff] exact match in snippet view article

Ball-and-stick model of the unit cell of the crystal structure of hafnium(III) iodide

Gonnardite (496 words) [view diff] case mismatch in snippet view article find links to article

(orthorhombic with a very close to b, or tetragonal with a equal to b). Unit Cell Parameters: a = b = 13.21 Å, c = 6.622 Å, Z = 2 Space Group: I42d Crystals

Cadmoindite (245 words) [view diff] exact match in snippet view article find links to article

CdIn2S4 exhibits the spinel structure, which can be described by a cubic unit cell with 8 tetrahedrally coordinated and 16 tetrahedrally coordinated cation

Drysdallite (124 words) [view diff] exact match in snippet view article find links to article

Dihexagonal Dipyramidal Space group P63/mmc (No. 194) Unit cell 120.94 Å³ (Calculated from Unit Cell) Identification Formula mass 230.41 gm Colour Grayish-black

Neodymium(III) hydride (338 words) [view diff] exact match in snippet view article

hydride. Neodymium hydride is a blue crystal of the hexagonal system, with unit cell parameters a=0.385 nm, c=0.688 nm. It reacts with water to form neodymium

Metarauchite (645 words) [view diff] exact match in snippet view article find links to article

which shows an a:b:c ratio of 0.737:1:1.356. The unit cell volume is 887.53 Å3 (Calculated from Unit Cell). Metarauchite crystals show characteristic multiply

Diopside (1,043 words) [view diff] exact match in snippet view article find links to article

Monoclinic Crystal class Prismatic (2/m) (same H-M symbol) Space group C2/c Unit cell a = 9.746 Å, b = 8.899 Å c = 5.251 Å; β = 105.79°; Z = 4 Identification

Torbernite (1,552 words) [view diff] exact match in snippet view article find links to article

parameters a = 7.0267(4) Å und c = 20.807(2) Å and 2 formula units per unit cell. In a study in 2003, using fresh, synthetic crystals, Locock and Burns

Boroselenate (152 words) [view diff] exact match in snippet view article find links to article

chem mw crystal system space group unit cell Å volume density comment references boroseleniteselenate B2Se3O10 monoclinic P21/c a = 4.3466, b = 7.0237

Rhenium diselenide (347 words) [view diff] exact match in snippet view article find links to article

ReSe2 flake, scale bar 1 µm. g: top view of the ReSe2 atomic lattice Unit cell of rhenium diselenide. Names IUPAC name Bis(selanylidene)rhenium Other

Eudialyte (538 words) [view diff] exact match in snippet view article find links to article

class Hexagonal scalenohedral (3m) H-M symbol: (3 2/m) Space group R3m Unit cell a = 14.31, c = 30.15 [Å]; Z = 12 Identification Color Red, magenta, brown;

Wolframite (1,066 words) [view diff] exact match in snippet view article find links to article

Monoclinic Crystal class Prismatic (2/m) (same H-M symbol) Space group P2/c Unit cell a = 4.77 Å, b = 5.73 Å c = 4.98 Å; β = 90.2°; Z = 2 Identification Color

Cryptomelane (256 words) [view diff] exact match in snippet view article find links to article

Tetragonal Crystal class Dipyramidal (4/m) H-M symbol: (4/m) Space group I4/m Unit cell a = 9.956 Å, b = 2.8705 Å, c = 9.706 Å; β = 90.95°; Z = 1 Identification

Fluorooxoborate (3,692 words) [view diff] exact match in snippet view article find links to article

orthorhombic with space group Pbcn, and with unit cell dimensions a=10.66 b=12.74 c=7.47 Å, and unit cell volume 1014 Å3. The density is 3.884. It contains

Calcium fluoride (843 words) [view diff] exact match in snippet view article find links to article

Unit cell of CaF2, known as fluorite structure, from two equivalent perspectives. The second origin is often used when visualising point defects centred

Tripuhyite (354 words) [view diff] exact match in snippet view article find links to article

squawcreekite. FeSbO4 exhibits the rutile structure, with a tetragonal unit cell. The cations are octahedrally coordinated to oxygen anions, with the octahedra

Lithium selenide (535 words) [view diff] exact match in snippet view article find links to article

structure, the space group is F m 3 ¯ m {\displaystyle Fm{\bar {3}}m} , each unit cell has 4 units. Lithium Selenide can be synthesized via the reaction between

Lazurite (672 words) [view diff] exact match in snippet view article find links to article

Crystal class Hextetrahedral (43m) H-M symbol: (4 3m) Space group P43n Unit cell a = 9.09 Å; Z = 2 Identification Color Deep blue, azure, violet-blue,

Potassium superoxide (634 words) [view diff] exact match in snippet view article find links to article

Unit cell of potassium superoxide

Clinohumite (1,274 words) [view diff] exact match in snippet view article find links to article

nepheline. The structure is monoclinic with space group P21/b (a-unique). The unit cell has a = 4.7488 Å; b = 10.2875 Å; c = 13.6967 Å; and alpha = 100.63°; V

Fluorcaphite (81 words) [view diff] exact match in snippet view article find links to article

Crystal class Dipyrimidal Space group P63 (No. 173) Unit cell 545.39 Å3 (calculated from unit cell) Identification Formula mass 671.38 Colour Light to

Oblique lattice (88 words) [view diff] exact match in snippet view article find links to article

Oblique lattice Wallpaper group p2 Unit cell

Silver azide (453 words) [view diff] no match in snippet view article find links to article

spills. Silver nitride Marr H.E. III.; Stanford R.H. Jr. (1962). "The unit-cell dimensions of silver azide". Acta Crystallographica. 15 (12): 1313–1314

Anorthoclase (306 words) [view diff] exact match in snippet view article find links to article

Triclinic Crystal class Pinacoidal (1) (same H–M symbol) Space group C1 Unit cell a = 8.28, b = 12.97 c = 7.15 [Å]; α = 91.05° β = 116.26°, γ = 90.15°;

Mercury selenide (450 words) [view diff] exact match in snippet view article find links to article

Mercury(II) selenide unit cell

Manganite (505 words) [view diff] exact match in snippet view article find links to article

Monoclinic Crystal class Prismatic (2/m) (same H-M symbol) Space group P21/c Unit cell a = 5.3 Å, b = 5.278 Å, c = 5.307 Å; β = 114.36°; Z = 4 Identification

Germanium difluoride (262 words) [view diff] exact match in snippet view article find links to article

4682 nm, b = 0.5178 nm, c = 0.8312 nm, Z = 4 (four structure units per unit cell). Its crystal structure is characterized by strong polymeric chains composed

Anhydrite (868 words) [view diff] exact match in snippet view article find links to article

class Dipyramidal (mmm) H–M symbol: (⁠2/m⁠ ⁠2/m⁠ ⁠2/m⁠) Space group Amma Unit cell a = 6.245(1) Å, b = 6.995(2) Å c = 6.993(2) Å; Z = 4 Identification Color

Bixbyite (257 words) [view diff] exact match in snippet view article find links to article

Cubic Crystal class Diploidal (m3) H-M symbol: (2/m 3) Space group Ia3 Unit cell a = 9.411 Å; Z = 16 Identification Formula mass 158.33 g/mol Color Black

Hausmannite (279 words) [view diff] exact match in snippet view article find links to article

Ditetragonal dipyramidal (4/mmm) H-M symbol: (4/m 2/m 2/m) Space group I41/amd Unit cell a = 5.76 Å c = 9.46 Å; Z = 4 Identification Formula mass 228.81 g/mol

Multiple scattering theory (3,425 words) [view diff] exact match in snippet view article find links to article

potentials. It can be extended to treat crystals with any number of atoms in a unit cell. There are versions of the theory that can be used to calculate surface

Plutonium(III) bromide (172 words) [view diff] exact match in snippet view article

Unit cell

Humite (102 words) [view diff] exact match in snippet view article find links to article

Crystal class Dipyramidal (mmm) H–M Symbol: (2/m 2/m 2/m) Space group Pbnm Unit cell a = 10.24, b = 20.72 c = 4.73 [Å]; Z = 4 Identification Color White, yellow

Danielsite (574 words) [view diff] exact match in snippet view article find links to article

other mineral known. Most of the values could be measured on a triclinic unit cell but the d values of the actual data and calculated data varied by a lot

Chaoite (457 words) [view diff] exact match in snippet view article find links to article

Dihexagonal dipyramidal (6/mmm) H-M symbol: (6/m 2/m 2/m) Space group P6/mmm Unit cell a = 8.948 Å, c = 14.078 Å; Z = 168 Identification Colour Black Crystal

Ankerite (479 words) [view diff] exact match in snippet view article find links to article

Trigonal Crystal class Rhombohedral (3) H–M symbol: (3) Space group R3 Unit cell a = 4.8312(2) c = 16.1663(3) [Å]; Z = 3 Identification Color Brown, yellow

Geigerite (514 words) [view diff] exact match in snippet view article find links to article

Triclinic Crystal class Pinacoidal (1) (same H-M symbol) Space group P1 Unit cell a = 7.94 Å, b = 10.69 Å c = 6.77 Å; α = 80.97° β = 84.2°, γ = 81.85°;

Zirconium nitride (404 words) [view diff] exact match in snippet view article find links to article

Zirconium nitride in the unit cell

Spessartine (519 words) [view diff] exact match in snippet view article find links to article

Crystal class Hexoctahedral (m3m) H-M symbol: (4/m 3 2/m) Space group Ia3d Unit cell a = 11.63 Å; Z = 8 Identification Color Yellow through red Crystal habit

Daubréelite (267 words) [view diff] exact match in snippet view article find links to article

Crystal class Hexoctahedral (m3m) H-M symbol: (4/m 3 2/m) Space group Fd3m Unit cell a = 9.966 Å; Z = 8 Identification Color Black Crystal habit Massive, platy

Dolomite (mineral) (1,746 words) [view diff] exact match in snippet view article

Trigonal Crystal class Rhombohedral (3) H–M symbol: (3) Space group R3 Unit cell a = 4.8012(1), c = 16.002 [Å]; Z = 3 Identification Color White, grey

Iron(II,III) sulfide (612 words) [view diff] exact match in snippet view article

featuring both Fe2+ and Fe3+ centers, in 1:2 ratio. The crystallographic unit cell is cubic, with space group Fd3m. The S anions form a cubic close-packed

Telluride bromide (621 words) [view diff] exact match in snippet view article find links to article

name formula system space group unit cell Å volume density properties ref Sb2Te2BrAlCl4 monoclinic C2/c copper telluride bromide CuBrTe tetragonal I41/amd

Borate iodide (567 words) [view diff] exact match in snippet view article find links to article

name chem mw crystal system space group unit cell Å volume density comment references Cr3B7O13I F4_3c a = 12.171 Z=8 18029 4.17 Mn3B7O13I F4_3c a = 12

Carnotite (392 words) [view diff] exact match in snippet view article find links to article

Monoclinic Crystal class Prismatic (2/m) (same H-M symbol) Space group P21/a Unit cell a = 10.47 Å, b = 8.41 Å, c = 6.91 Å; β = 103.83°; Z = 2 Identification

Meionite (289 words) [view diff] no match in snippet view article find links to article

Hans P.; Prostka, Harold J.; Appleman, Daniel E. (14 September 1962). "Unit-Cell Dimensions of Natural and Synthetic Scapolites". Science. 137 (3533):

Arsenopyrite (479 words) [view diff] exact match in snippet view article find links to article

Monoclinic Crystal class Prismatic (2/m) (same H-M symbol) Space group P21/c Unit cell a = 5.744, b = 5.675 c = 5.785 [Å]; β = 112.3°; Z = 4 Identification Colour

Stibnite (978 words) [view diff] exact match in snippet view article find links to article

Crystal class Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m) Space group Pbnm Unit cell a = 11.229 Å, b = 11.31 Å, c = 3.8389 Å; Z = 4 Identification Color Lead-gray

Thermal pressure (1,187 words) [view diff] exact match in snippet view article find links to article

the unit cell parameter remains constant along the isochore and the QHA is valid. But when the thermal pressure is anisotropic, the unit cell parameter

Pyrochlore (785 words) [view diff] exact match in snippet view article find links to article

Hexoctahedral (m3m) H-M symbol: (4/m 3 2/m) Space group Fd3m (No. 227) Unit cell a = 10.41(6) Å, Z = 8 Identification Color Black to brown, chocolate-brown

Celestine (mineral) (735 words) [view diff] exact match in snippet view article

Crystal class Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m) Space group Pnma Unit cell a = 8.359 Å, b = 5.352 Å, c = 6.866 Å; Z = 4 Identification Color White

Wavellite (312 words) [view diff] exact match in snippet view article find links to article

Crystal class Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m) Space group Pcmn Unit cell a = 9.621 Å b = 17.363 Å, c = 6.994 Å; Z = 4 Identification Color Green

Tripotassium phosphate (581 words) [view diff] exact match in snippet view article find links to article

Tripotassium phosphate Unit cell of tripotassium phosphate. Names IUPAC name Potassium phosphate Systematic IUPAC name Potassium tetraoxidophosphate(3−)

Hagendorfite (468 words) [view diff] case mismatch in snippet view article find links to article

Journal of Mineralogy,17, 915-932. Fisher, J. D. (1956) Hagendorfite Unit Cell. Geological Society of America Bulletin, 67, 1694-1695. Fransolet, A.

Stichtite (302 words) [view diff] exact match in snippet view article find links to article

class Hexagonal scalenohedral (3m) H-M symbol: (3 2/m) Space group R3m Unit cell a = 6.19, c = 46.47 [Å]; Z = 3 Identification Colour Lilac to rose-pink

Pentamethylantimony (886 words) [view diff] exact match in snippet view article find links to article

with space group Ccmm. Unit cell dimensions are a=6.630 Å b=11.004 Å c=11.090 Å. There are four formula per unit cell. Unit cell volume is 809.1 Å3. The

Tranquillityite (1,253 words) [view diff] exact match in snippet view article find links to article

lattice parameters, a = 1.169 nm, c = 2.225 nm and three formula units per unit cell, but later reassigned a face-centered cubic structure (fluorite-like)

Cobaltite (452 words) [view diff] exact match in snippet view article find links to article

Orthorhombic Crystal class Pyramidal (mm2) (same H-M symbol) Space group Pc21b Unit cell a = 5.582 Å, b = 5.582 Å, c = 5.582 Å; Z = 4 Identification Color Reddish

Bismuth subcarbonate (496 words) [view diff] exact match in snippet view article find links to article

suspended in water. Bismuth subcarbonate has a structure with a tetragonal unit cell. Layers of (BiO)n positively charged, and carbonate anion (CO2− 3) are

Lead(II,IV) oxide (1,111 words) [view diff] exact match in snippet view article

the crystal and slightly modifies the interatomic distances and angles. Unit cell of tetragonal Pb3O4 (Key: Pb O) Part of tetragonal red lead's crystal

Lithium nitride (749 words) [view diff] exact match in snippet view article find links to article

Unit cell ball and stick model of lithium nitride

Aspidolite (100 words) [view diff] exact match in snippet view article find links to article

symbol Asp Crystal system Monoclinic Crystal class 2/m Space group C2/m Unit cell a = 5.291(8), b = 9.16(2), c = 10.12(2) Å Identification Fracture Micaceous

Su–Schrieffer–Heeger model (1,522 words) [view diff] exact match in snippet view article find links to article

per unit cell, A and B, which correspond to a single electron per unit cell. In this configuration each electron can either hop inside the unit cell or

Hagendorfite (468 words) [view diff] case mismatch in snippet view article find links to article

Journal of Mineralogy,17, 915-932. Fisher, J. D. (1956) Hagendorfite Unit Cell. Geological Society of America Bulletin, 67, 1694-1695. Fransolet, A.

Aspidolite (100 words) [view diff] exact match in snippet view article find links to article

symbol Asp Crystal system Monoclinic Crystal class 2/m Space group C2/m Unit cell a = 5.291(8), b = 9.16(2), c = 10.12(2) Å Identification Fracture Micaceous

Lithium iodate (383 words) [view diff] exact match in snippet view article find links to article

Crystal structure of lithium iodate, iodines are inside the unit cell

Rhodonite (373 words) [view diff] exact match in snippet view article find links to article

Triclinic Crystal class Pinacoidal (1) (same H–M symbol) Space group P1 Unit cell a = 9.758 Å, b = 10.499 Å, c = 12.205 Å; α = 108.58°, β = 102.92°, γ =

Tantalum arsenide (340 words) [view diff] exact match in snippet view article find links to article

momentum space. Tantalum arsenide crystallizes in a body-centered tetragonal unit cell with lattice parameters a = 3.44 Å and c = 11.65 Å. It belongs to the

Lahnsteinite (550 words) [view diff] exact match in snippet view article find links to article

diffraction pattern of Lahnsteinite is readily indexed in a triclinic unit cell with the unit-cell dimensions refined by the least squares method a = 8.35(3), b

Ajoite (883 words) [view diff] exact match in snippet view article find links to article

of symmetry or mirror planes. The space group is either P1 or P1. The unit cell parameters are: a = 13.637 Å, b = 14.507 Å, c = 13.620 Å, α = 107.16°

WIEN2k (803 words) [view diff] exact match in snippet view article find links to article

Van der Waals terms. It can be used for structure optimization, both unit cell dimensions and internal atomic positions. For the latter an adaptive fixed-point

Material properties of diamond (5,540 words) [view diff] exact match in snippet view article find links to article

Visualisation of a diamond cubic unit cell: 1. Components of a unit cell, 2. One unit cell, 3. A lattice of 3×3×3 unit cells

Giant oscillator strength (1,904 words) [view diff] exact match in snippet view article find links to article

of about f e x ∼ 10 − 4 {\displaystyle f_{\rm {ex}}\sim 10^{-4}} per unit cell. Shallow impurity-exciton states are working as antennas borrowing their

Phosphide silicide (523 words) [view diff] exact match in snippet view article find links to article

formula system space group unit cell Å volume density comment ref Li10.68Si5P orthorhombic Pnma a = 10.2434, b = 4.2788, c = 23.9767 Z=4 1050.89 1.52

Lindgrenite (396 words) [view diff] exact match in snippet view article find links to article

Universities. 22 (6): 679. doi:10.1016/S1005-9040(06)60189-X. Barnes, W. H. "The unit cell and space group of lindgrenite" (PDF). {{cite journal}}: Cite journal

Carbonate chloride (1,522 words) [view diff] exact match in snippet view article find links to article

name formula crystal system space group unit cell density Optics refractive index Raman spectrum comments reference Alexkhomyakovite K6(Ca2Na)(CO3)5Cl∙6H2O

Xifengite (163 words) [view diff] exact match in snippet view article find links to article

Dihexagonal dipyramidal (6/mmm) H-M symbol: (6/m 2/m 2/m) Space group P63/mcm Unit cell a = 6.759(5) c = 4.720(5) [Å]; Z = 2 Identification Color Gray, steel-black

Pectolite (190 words) [view diff] exact match in snippet view article find links to article

Triclinic Crystal class Pinacoidal (1) (same H-M symbol) Space group P1 Unit cell a = 7.99 Å, b = 7.03 Å, c = 7.03 Å; α = 90.51°, β = 95.21°, γ = 102.53°;

Barium iodate (147 words) [view diff] exact match in snippet view article find links to article

Barium iodate Unit cell Identifiers CAS Number 10567-69-8 Y 3D model (JSmol) Interactive image ChemSpider 145385 ECHA InfoCard 100.031.035 PubChem CID

Crandallite (83 words) [view diff] exact match in snippet view article find links to article

classification 8.BL.10 Dana classification 42.07.03.01 Crystal system Trigonal Unit cell a = 7.005, c = 16.192, Z = 3; V = 688.09 Identification Formula mass 414

Zigrasite (768 words) [view diff] no match in snippet view article find links to article

with a diameter of114.6 mm and a Gandolfi attachment. Refinement of the unit-cell parameters gave the following values: a = 5.321(7) Å , b = 9.360(10) Å

Aurichalcite (215 words) [view diff] exact match in snippet view article find links to article

Monoclinic Crystal class Prismatic (2/m) (same H-M symbol) Space group P21/m Unit cell a = 13.82, b = 6.419 c = 5.29 [Å] β = 101.04°; Z = 2 Identification Color

Frederick Seitz (3,735 words) [view diff] exact match in snippet view article find links to article

and developed concepts in solid-state physics such as the Wigner–Seitz unit cell used in the study of crystalline material in solid-state physics. After

Haggertyite (168 words) [view diff] exact match in snippet view article find links to article

Dihexagonal dipyramidal (6/mmm) H-M symbol: (6/m 2/m 2/m) Space group P63/mmc Unit cell a = 5.926, c = 23.32 [Å]; Z = 2 Identification Color Gray Crystal habit

Kosnarite (927 words) [view diff] exact match in snippet view article find links to article

pegmatites found in Maine occurred as rhombohedral crystals with a hexagonal unit cell and were pseudocubic with a maximum size of around 0.9 mm. This is important

Aragonite (1,877 words) [view diff] exact match in snippet view article find links to article

symbol Arg (not to be confused with arginine) Crystal system Orthorhombic Unit cell l a = 4.9598(5) Å, b = 7.9641(9) Å, and c = 5.7379(6) Å at 25 °C Identification

Atacamite (373 words) [view diff] exact match in snippet view article find links to article

Crystal class Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m) Space group Pnma Unit cell a = 6.03, b = 9.12 c = 6.865 [Å]; Z = 4 Identification Color Bright green

Manganese(III) fluoride (778 words) [view diff] exact match in snippet view article

distances. In the Mn compound, however, is distorted (and hence a monoclinic unit cell vs. a higher symmetry one) due to the Jahn-Teller effect, with pairs of

Tetrahedrite (460 words) [view diff] exact match in snippet view article find links to article

Crystal class Hextetrahedral (43m) H-M symbol: (4 3m) Space group I43m Unit cell a = 10.39(16) Å; Z = 2 Identification Color Steel gray to iron-gray Crystal

Muscovite (1,118 words) [view diff] exact match in snippet view article find links to article

Monoclinic Crystal class Prismatic (2/m) (same H-M symbol) Space group C2/c Unit cell a = 5.199 Å, b = 9.027 Å, c = 20.106 Å, β = 95.78°; Z = 4 Identification

Hessite (100 words) [view diff] exact match in snippet view article find links to article

Monoclinic Crystal class Prismatic (2/m) (same H-M symbol) Space group P21/c Unit cell a = 8.13, b = 4.48 c = 8.09 [Å]; β = 112.9°; Z = 4 Identification Color

Rastsvetaevite (232 words) [view diff] exact match in snippet view article find links to article

natrite, schcherbakovite, sodalite, villiaumite, and rasvumite. The c unit cell parameter in rastsvetaevite is doubled. Warr, L.N. (2021). "IMA–CNMNC

Lithium perchlorate (666 words) [view diff] exact match in snippet view article find links to article

Lithium perchlorate __ Li+ __ Cl7+ __ O2− Unit cell of lithium perchlorate. Names IUPAC name Lithium perchlorate Other names Perchloric acid,

Beudantite (184 words) [view diff] exact match in snippet view article find links to article

class Hexagonal scalenohedral (3m) H-M symbol: (3 2/m) Space group R3m Unit cell a = 7.32 Å, c = 17.02 Å; Z = 3 Identification Color black, dark green

Smithsonite (429 words) [view diff] exact match in snippet view article find links to article

class Hexagonal scalenohedral (3m) H-M symbol: (3 2/m) Space group R3c Unit cell a = 4.6526(7) c = 15.0257(22) [Å]; Z = 6 Identification Color White, grey

Kyanite (1,522 words) [view diff] exact match in snippet view article find links to article

Triclinic Crystal class Pinacoidal (1) (same H-M symbol) Space group P1 Unit cell a = 7.1262(12) Å b = 7.852(10) Å c = 5.5724(10) Å α = 89.99(2)°, β = 101

Lanthanum phosphide (700 words) [view diff] exact match in snippet view article find links to article

group Fm3m, cell parameters a = 0.6025 nm, with number of formulas per unit cell Z = 4. The crystals are very unstable and decompose in the open air. Lanthanum

Uranium hexafluoride (1,502 words) [view diff] exact match in snippet view article find links to article

Packing of UF6 in its unit cell.

Manganese germanide (294 words) [view diff] exact match in snippet view article find links to article

right-handed MnGe crystals (3 presentations, with different numbers of atoms per unit cell; orange atoms are Ge) Names IUPAC name Manganese germanide Identifiers

Nickel sulfide (700 words) [view diff] exact match in snippet view article find links to article

prismatic sites. NiS has two polymorphs. The α-phase has a hexagonal unit cell, while the β-phase has a rhombohedral cell. The α-phase is stable at temperatures

Chukanovite (682 words) [view diff] exact match in snippet view article find links to article

and P21/a space group. Its unit cell consists of three unequal axes lengths with angles α = γ = 90°; β = 97.78°. The unit cell dimensions were measured

Niobium pentoxide (1,227 words) [view diff] exact match in snippet view article find links to article

encountered is monoclinic H-Nb2O5, which has a complex structure with a unit cell containing 28 niobium atoms and 70 oxygen, where 27 of the niobium atoms

Sinoite (239 words) [view diff] exact match in snippet view article find links to article

Orthorhombic Crystal class Pyramidal (mm2) H-M symbol: (mm2) Space group Cmc21 Unit cell a = 8.84 Å, b = 5.47 Å c = 4.83 Å, Z = 4 Identification Color From colorless

Lepidolite (1,005 words) [view diff] exact match in snippet view article find links to article

Crystal class Prismatic (2/m) (same H-M symbol) Space group C2/m, Cm Unit cell a = 5.209(2) Å, b = 9.011(5) Å, c = 10.149(5) Å; β = 100:77(4)°; Z = 2

Pyrophyllite (616 words) [view diff] exact match in snippet view article find links to article

Crystal class Prismatic (2/m) or pinacoidal (1) Space group C2/c or C1 Unit cell a = 5.16 Å, b = 8.966(3) Å, c = 9.347(6) Å; α = 91.18°, β = 100.46°, γ

Changbaiite (723 words) [view diff] exact match in snippet view article find links to article

changbaiite is orthorhombic at 25 °C with unit cell dimensions of a=17.65, b=17.91, c=7.736 Å and because its big unit cell size it is difficult to do a full

Europium(III) phosphide (429 words) [view diff] exact match in snippet view article

group Fm3m with cell parameter a = 575.5 nm with four formula units per unit cell. Europium(III) phosphide tends to form europium(II) oxide (EuO) in air