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Longer titles found: Germanium(II) dicationic complexes (view)

searching for Dication 71 found (82 total)

alternate case: dication

Diquat (2,007 words) [view diff] exact match in snippet view article find links to article

Diquat is the ISO common name for an organic dication that, as a salt with counterions such as bromide or chloride is used as a contact herbicide that

Four-center two-electron bond (430 words) [view diff] exact match in snippet view article find links to article

organic compound with four-center two-electron bonding is the adamantyl dication. The bond joins the four bridgehead atoms in a tetrahedral geometry. Tetracyanoethylene

Horst Prinzbach (453 words) [view diff] exact match in snippet view article find links to article

Tetramethylene dications (CH2)42+: are the norbornadiene dication, the pagodane dication, and related systems aromatic? J. Am. Chem. Soc. 1991, 113(10)

Pyramidal carbocation (2,648 words) [view diff] exact match in snippet view article find links to article

of <1. The reactions of the dication fall apart into three groups: Thermal reactions The hexamethyl substituted dication is a stable structure up to 40 °C

Sulfur monoxide (1,400 words) [view diff] no match in snippet view article find links to article

Sulfur monoxide is an inorganic compound with formula SO. It is only found as a dilute gas phase. When concentrated or condensed, it converts to S2O2 (disulfur

Heptacene (754 words) [view diff] exact match in snippet view article find links to article

temperatures in a matrix. When dissolved in sulfuric acid the heptacene dication is reported to be stable at room-temperature for more than a year in absence

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

compounds for X-ray diffraction studies. The diamagnetic bis(triaryl)amine dication 2 in scheme 1 is prepared from the neutral precursor 1 in dichloromethane

Dequalinium (494 words) [view diff] exact match in snippet view article find links to article

chloride is the active ingredient of several medications. The dequalinium dication is symmetrical, containing two quaternary quinolinium units linked by an

Methylhydrazines (125 words) [view diff] exact match in snippet view article find links to article

(cationic and exists as a variety of salts) Hexamethylhydrazinediium (dication, exists as a variety of salts) Methylhydrazines at the U.S. National Library

Homoaromaticity (3,769 words) [view diff] exact match in snippet view article find links to article

low as a 16-membered annulene ring favours the formation of the aromatic dication over the strained bridged homocation. A significant second-order effect

Ethylenediamine dihydroiodide (225 words) [view diff] exact match in snippet view article find links to article

yellow crystalline powder. The salt consists of the ethylenediammonium dication C2H4(NH3)22+ and iodide anions. EDDI is used as an additive in pet food

Carbocation (5,035 words) [view diff] exact match in snippet view article find links to article

one positively charged carbon atom are also encountered (e.g., ethylene dication C 2H2+ 4). Until the early 1970s, all carbocations were called carbonium

1,5-Dithiacyclooctane (112 words) [view diff] exact match in snippet view article find links to article

transition metal thioether complexes. DTO can be oxidized to the bicyclic dication. DTCO was first prepared in 4% yield by dialkylation of 1,3-propanedithiol

James Cullen Martin (321 words) [view diff] exact match in snippet view article find links to article

Martin's sulfurane. His later work included studies of the hexaiodobenzene dication that indicated σ-delocalization ("aromaticity") between the iodine atoms

Boron monohydride (971 words) [view diff] exact match in snippet view article find links to article

a metallic P6/mmm phase over 168 GPa. Both a cation and a dication are known. The dication HB2+ can be supported by a σ-donating ligand framework with

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

is the most common one and it is found in the form of [UO2]2+ (uranyl dication). This hexavalent form of uranium species is known to be the most thermodynamically

Electrophile (2,316 words) [view diff] exact match in snippet view article find links to article

BF3 and HF. The responsible reactive intermediate is the [CH3CO2H3]2+ dication. Likewise, methane can be nitrated to nitromethane with nitronium tetrafluoroborate

Electron acceptor (400 words) [view diff] exact match in snippet view article find links to article

Paraquat, the dication on the left, functions as an electron acceptor, disrupting respiration in plants.

Tris(benzyltriazolylmethyl)amine (279 words) [view diff] exact match in snippet view article

tris((1-benzyl-4-triazolyl)methyl)amine revealed an unusual dinuclear dication with one triazole unit bridging two metal centers, and is an effective

Bipyridine (334 words) [view diff] exact match in snippet view article find links to article

4′-bipy) is mainly used as a precursor to the N,N′-dimethyl-4,4′-bipyridinium dication commonly known as paraquat. This species is redox active, and its toxicity

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

or XeF+/Sb2F−11 in HF/SbF5) decamethylferrocene is oxidized to a stable dication with an iron(IV) core. In the Sb2F−11 salt, the Cp* rings are parallel

Disulfur dinitride (378 words) [view diff] exact match in snippet view article find links to article

close to 90°. The S2N2 molecule is isoelectronic with the cyclic S2+4 dication and has 6π electrons. The bonding has been investigated using a spin-coupled

Tetrakis(dimethylamino)ethylene (433 words) [view diff] exact match in snippet view article

buckminsterfullerene: C2(N(CH3)2)4 + C60 → [C2(N(CH3)2)4+][C60−] Oxidation affords a dication. Crystallographic analysis show that TDAE is a highly distorted alkene

Hexacene (502 words) [view diff] exact match in snippet view article find links to article

"Electronic spectra of hexacene in solution (ground state, triplet state, dication and dianion)". Chemical Physics Letters. 87 (2): 208–12. Bibcode:1982CPL

Organoplatinum chemistry (1,121 words) [view diff] exact match in snippet view article find links to article

generally are diamagnetic because they have Pt-Pt bonds. An example is the dication [Pt2(CO)6]2+. A historically significant organoplatinum(II) compound is

Carbon (10,833 words) [view diff] exact match in snippet view article find links to article

predictions, the hexamethylbenzene dication contains a carbon atom with six bonds. More specifically, the dication could be described structurally by

Konrad Seppelt (415 words) [view diff] exact match in snippet view article find links to article

structural and electronic characterization of salts of the decamethylferrocene dication. August 2016 12;353(6300):678-82 Science, Xenon as a complex ligand: the

Weinreb ketone synthesis (1,295 words) [view diff] exact match in snippet view article find links to article

H. J. (1991), "Use of N,N'-dimethoxy-N,N'-dimethylurea as a carbonyl dication equivalent in organometallic addition reactions. Synthesis of unsymmetrical

Argon (4,633 words) [view diff] exact match in snippet view article find links to article

first. It is stable up to 17 kelvins (−256 °C). The metastable ArCF2+ 2 dication, which is valence-isoelectronic with carbonyl fluoride and phosgene, was

Metal sulfur dioxide complex (908 words) [view diff] exact match in snippet view article find links to article

Portion of the structure of [Ni(SO2)6](AsF6)2, showing the dication and one of two AsF6− anions.

Chloropentamminecobalt chloride (572 words) [view diff] exact match in snippet view article find links to article

sphere chloride ligands: [Co(NH3)5(OH2)]Cl3 → [Co(NH3)5Cl]Cl2 + H2O The dication [Co(NH3)5Cl]2+ has idealized C4v symmetry. In an aqueous solution,

Hückel's rule (1,653 words) [view diff] exact match in snippet view article find links to article

rule for n = 2 and is planar, while the 1,4-dimethyl derivative of the dication, with six π electrons, is also believed to be planar and aromatic. The

Metalloenediynes (290 words) [view diff] exact match in snippet view article find links to article

The structure of a generic square planar dication complex with an enediyne ligand motif

Exotic atom (1,427 words) [view diff] exact match in snippet view article find links to article

having some other uncommon property such as a pyramidal hexamethylbenzene#Dication and a Rydberg atom. Antihydrogen Antiprotonic helium Borromean nucleus

Ferrocene (5,470 words) [view diff] exact match in snippet view article find links to article

oxidised than ferrocene and can even be oxidised to the corresponding dication. Ferrocene is often used as an internal standard for calibrating redox

Diphosphadiboretanes (1,366 words) [view diff] exact match in snippet view article find links to article

diphosphadiboretane synthesized from diboryne offers radical cation and dication species. The dication exhibits a butterfly-type structure (Dep = 2,6-diethyl phenyl)

Intrinsic bond orbitals (2,911 words) [view diff] exact match in snippet view article find links to article

is the elucidation of the electronic structure of the hexamethylbenzene dication. Three π bonding IBOs were found between the basal C5Me5 plane and the

Lewis acidic antimony compounds (2,302 words) [view diff] exact match in snippet view article find links to article

(2019-04-08). "The Arene‐Stabilized η5‐Pentamethylcyclopentadienyl Arsenic Dication [(η5‐Cp*)As(toluene)] 2+". Angewandte Chemie International Edition. 58

Dichlorobis(ethylenediamine)nickel(II) (168 words) [view diff] exact match in snippet view article

Structure of the dication [Ni2Cl2(en)4]2+ that comprises the salt "NiCl2(en)2".

Vin Scelsa (1,378 words) [view diff] exact match in snippet view article find links to article

Delight Digest The Idiot's Delight Digest Information Hub Free-Form D.J. Loses Weekly Radio Show VIN!dication – where new (old) shows are added every week

Metal ammine complex (1,778 words) [view diff] exact match in snippet view article find links to article

orbital and lower positive charge Ru 3+ 2.104 t2g5 eg0 low spin trication, but Ru is intrinsically larger than Co Ru 2+ 2.144 t2g6 eg0 low spin dication

Diborane (2,594 words) [view diff] exact match in snippet view article find links to article

"Comparative ab initio Study of the Structures and Stabilities of the Ethane Dication C2H62+ and Its Silicon Analogues Si2H62+ and CSiH62+". Journal of Physical

Organoiron chemistry (2,670 words) [view diff] exact match in snippet view article find links to article

beta-hydride elimination. Two-electron oxidation of decamethylferrocene gives the dication [Fe(C5Me5)2]2+, which forms a carbonyl complex, [Fe(C5Me5)2(CO)](SbF6)2

Crown ether (1,508 words) [view diff] exact match in snippet view article find links to article

cation and, by ionization of the phenolic hydroxyls, neutralize the bound dication. He was surprised to isolate a by-product that strongly complexed potassium

Metal ammine complex (1,778 words) [view diff] exact match in snippet view article find links to article

orbital and lower positive charge Ru 3+ 2.104 t2g5 eg0 low spin trication, but Ru is intrinsically larger than Co Ru 2+ 2.144 t2g6 eg0 low spin dication

Dibenzopentalene (316 words) [view diff] exact match in snippet view article find links to article

Itamar; Rabinovitz, Mordecai (1978). "1,9-Dimethyldibenzo\b,f]pentalene dication and dianion. New 14.pi. And 18.pi. Aromatic systems". Journal of the American

Macrocyclic ligand (916 words) [view diff] exact match in snippet view article find links to article

thia-crown ether [Ag(18-ane-S6)]2+ Crystal structure of a Zn(II)-cyclen-ethanol dication. Fe-TAML complex. 1,4,7-Triazacyclononane is a tridentate ligand, which

Low valent magnesium compounds (474 words) [view diff] exact match in snippet view article find links to article

1016/S0277-5387(02)01183-X. Hogreve, H. (August 2004). "Mg22+: a long-lived metastable dication". Chemical Physics Letters. 394 (1–3): 32–36. Bibcode:2004CPL...394...32H

Organosulfur chemistry (3,035 words) [view diff] exact match in snippet view article find links to article

xenon difluoride / boron trifluoride in acetonitrile to the sulfuranyl dication 2 followed by reaction with methyllithium in tetrahydrofuran to (a stable)

Hydroxide (4,897 words) [view diff] exact match in snippet view article find links to article

Trimeric hydrolysis product of beryllium dication

Conjugated system (4,273 words) [view diff] exact match in snippet view article find links to article

as a typical alkene. In contrast, derivatives of the cyclooctatetraene dication and dianion have been found to be planar experimentally, in accord with

Planar hexacoordinate carbon (434 words) [view diff] exact match in snippet view article find links to article

Structure Determination of the Pentagonal-Pyramidal Hexamethylbenzene Dication C 6 (CH 3 ) 6 2+". Angewandte Chemie International Edition. 56 (1): 368–370

Paraquat (4,614 words) [view diff] exact match in snippet view article find links to article

Paraquat, the dication on the left, functions as an electron acceptor, disrupting respiration in plants by forming the monocation at the center.

Radialene (1,708 words) [view diff] exact match in snippet view article find links to article

(1988), Tris(thioxanthen-9-ylidene)cyclopropane, and Its Radical Cation and Dication. Angew. Chem. Int. Ed. Engl., 27: 1078–1080. doi:10.1002/anie.198810781

Victor Kande (921 words) [view diff] exact match in snippet view article find links to article

investigated the efficacy and safety of DB289, which is administered as a dication prodrug to Pentamidine. He also demonstrated a high failure rate with Melarsoprol

Olga Kapeliuk (1,823 words) [view diff] exact match in snippet view article find links to article

Young. Gloucester MA: Pirtle & Polson 1981: 51–67. Omniprיsence de la prיdication en nיo-יthiopien. Bulletin de la Sociיtי de Linguistique (Paris) 77 (1982):

Helium dimer (4,071 words) [view diff] exact match in snippet view article find links to article

Xe, O2, and CO2 to form cations and neutral helium atoms. The helium dication dimer He22+ is extremely repulsive and releases much energy when it dissociates

Cation–cation bond (562 words) [view diff] exact match in snippet view article find links to article

coordinated to positively charged metals to form stable cation-cation and cation-dication coordination bonds.[citation needed] Krot, Nikolai N; Grigoriev, Mikhail

Fluorocarbonate (3,654 words) [view diff] exact match in snippet view article find links to article

B2Ln(CO3)3F 2:1:3:1; B3Ln(CO3)F7 3:1:1:7; B3Ln2(CO3)5F2 3:2:5:2. For alkali with dication combinations: MB: MBCO3F MB3(CO3)2F3·H2O. For dications A and B there is

Oxidation state (14,106 words) [view diff] exact match in snippet view article find links to article

Price, S.D.; Karwowska, M.; et al. (2010). "Generation of the ArCF22+ Dication". Journal of Physical Chemistry Letters. 1: 358. doi:10.1021/jz900274p

Lewis acid catalysis (5,017 words) [view diff] exact match in snippet view article find links to article

the active intermediate, there is evidence that the protonated acylium dication is the active electrophile that undergoes subsequent electrophilic aromatic

Boron porphyrins (1,804 words) [view diff] exact match in snippet view article find links to article

equivalents of sodium tetrakis[3,5-bis(trifluoromethyl)phenyl]borate gives the dication with both boron atoms within the porphyrin plane. Two reversible reduction

Argon compounds (15,766 words) [view diff] exact match in snippet view article find links to article

acetylene dications with argon produced HCCAr2+ in 2008. Reaction of the CF2+3 dication with argon produced ArCF2+2: this reaction is unique to argon among the

Actin (17,979 words) [view diff] exact match in snippet view article find links to article

(multi color sticks near center of figure) as well as a complexed calcium dication (green sphere) are highlighted. Identifiers Symbol Actin Pfam PF00022 InterPro

Germanium(II) hydrides (2,198 words) [view diff] exact match in snippet view article

three-coordinate germylene hydride cation acting a donor and a two-coordinate Ge(II) dication as an electron acceptor. The β-diketiminato germylene hydride reported

Metalloid (28,114 words) [view diff] exact match in snippet view article find links to article

Staroverov VN & Baines KM 2008, 'A Cryptand-Encapsulated Germanium(II) Dication', Science, vol. 322, no. 5906, pp. 1360–63, doi:10.1126/science.1163033

Phosphanide (1,845 words) [view diff] exact match in snippet view article find links to article

Skipinski, Markus; Winkler, Uwe (1 October 1998). "Intriguing Tetrasodium Dication Cluster Na 4 2+ Stabilized between Two Silyl(fluorosilyl)phosphanide Shells"

Pseudo Jahn–Teller effect (5,512 words) [view diff] exact match in snippet view article find links to article

; Feller, David (1980). "Potential surfaces for (NH)32+ triaziridenyl dication". Journal of the American Chemical Society. 102 (16). American Chemical

Electron-reservoir complex (1,893 words) [view diff] exact match in snippet view article find links to article

a pure dz2 metal orbital (Figure 3). When one electron is added to the dication, (C6Me6)2Fe2+, a stable 19-electron complex is formed, a compound stabilized

Langbeinites (6,552 words) [view diff] exact match in snippet view article find links to article

are difficult to make, perhaps because selenate ions arranged around the dication leave space for water, so hydrates crystallise from double selenate solutions

Homoleptic azido compounds (7,983 words) [view diff] exact match in snippet view article find links to article

layers of [Mn(N3)4]2- with EE bridging azides and the 4,4’-dipyridine dication. The metal centers in this compound do show antiferromagnetic coupling