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searching for Molecular symmetry 45 found (129 total)

Durene (648 words) [view diff] exact match in snippet view article find links to article

has an unusually high melting point (79.2 °C), reflecting its high molecular symmetry. It is a component of coal tar and was first prepared from pseudocumene

2-Butyne (351 words) [view diff] case mismatch in snippet view article find links to article

is eclipsed (D3h) or staggered (D3d). Symmetry analysis using the Molecular Symmetry Group G36 shows that one would need to analyse its high resolution

Inherent chirality (964 words) [view diff] no match in snippet view article find links to article

In chemistry, inherent chirality is a property of asymmetry in molecules arising, not from a stereogenic or chiral center, but from a twisting of the molecule

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

geometry with eight nearly equivalent Zr-O bonds of length 2.19 Å. The molecular symmetry is D2, i.e. the complex is chiral. Compounds of high coordination

Hafnium acetylacetonate (229 words) [view diff] exact match in snippet view article find links to article

antiprismatic geometry with eight nearly equivalent Hf-O bonds. The molecular symmetry is D2, i.e., the complex is chiral. It is prepared from hafnium tetrachloride

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

electronic configuration d4-d7 are capable of spin crossover (and d8 when molecular symmetry is lower than Oh). Spin crossover refers to where a transition from

Edestin (717 words) [view diff] exact match in snippet view article find links to article

McPherson, Alexander (1994-01-07). "Crystallographic characterization and molecular symmetry of edestin, a legumin from hemp". Journal of Molecular Biology. 235

Neopentane (783 words) [view diff] exact match in snippet view article find links to article

high melting point is due to an entropy effect resulting from higher molecular symmetry. Indeed, the entropy of fusion of neopentane is about four times lower

Sigma-pi and equivalent-orbital models (938 words) [view diff] exact match in snippet view article find links to article

equivalent-orbital model hybridizes them. The σ-π treatment takes into account molecular symmetry and is better suited to interpretation of aromatic molecules (Hückel's

Pentane (1,005 words) [view diff] case mismatch in snippet view article find links to article

Institute for Occupational Safety and Health (NIOSH). James Wei (1999), Molecular Symmetry, Rotational Entropy, and Elevated Melting Points. Ind. Eng. Chem.

Isopentane (500 words) [view diff] case mismatch in snippet view article find links to article

'isopentane' and 'neopentane' are no longer recommended. James Wei (1999), Molecular Symmetry, Rotational Entropy, and Elevated Melting Points. Ind. Eng. Chem.

Hexamethyldisiloxane (524 words) [view diff] exact match in snippet view article find links to article

resonance spin lattice relaxation rate (R1) response to changes in pO2. Molecular symmetry provides a single NMR signal. Following direct injection into tissues

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

Co4(CO)12 + 4 CO The molecule consists of a tetrahedral Co4 core, but the molecular symmetry is C3v. Three carbonyl ligands are bridging ligands and nine are terminal

Forbidden mechanism (1,847 words) [view diff] case mismatch in snippet view article find links to article

question, e.g. [O III] or [S II]. Philip R. Bunker; Per Jensen (2006). Molecular Symmetry and Spectroscopy. NRC Research Press. p. 414. ISBN 978-0-660-19628-2

John Stanley Griffith (491 words) [view diff] case mismatch in snippet view article find links to article

Transition-Metal Ions" (1961), "The Irreducible Tensor Method for Molecular Symmetry Groups" (1962), and "Mathematical Neurobiology: An Introduction to

Michael T. Pope (287 words) [view diff] exact match in snippet view article find links to article

Jeanne; Pope, Michael T. (1985). "A heteropolyanion with fivefold molecular symmetry that contains a nonlabile encapsulated sodium ion. The structure and

Spectroscopy (4,648 words) [view diff] case mismatch in snippet view article find links to article

ISBN 9780471508533. OCLC 793428. Bunker, Philip R.; Jensen, Per (1998). Molecular Symmetry and Spectroscopy. Ottawa: NRC Research Press. ISBN 9780660196282.

Lone pair (2,947 words) [view diff] exact match in snippet view article find links to article

most readily explained using σ and π lone pairs that respect the molecular symmetry. Because of the popularity of VSEPR theory, the treatment of the water

Jahn–Teller effect (8,006 words) [view diff] exact match in snippet view article find links to article

can be attained. Proof of the JT theorem follows from the theory of molecular symmetry (point group theory). A less rigorous but more intuitive explanation

Adamantane (4,230 words) [view diff] exact match in snippet view article find links to article

37.85 ppm. The simplicity of these spectra is consistent with high molecular symmetry. Mass spectra of adamantane and its derivatives are rather characteristic

Young tableau (2,871 words) [view diff] case mismatch in snippet view article find links to article

set of entries is not empty. Philip R. Bunker and Per Jensen (1998) Molecular Symmetry and Spectroscopy, 2nd ed. NRC Research Press, Ottawa [1] pp.198-202

Trihydrogen cation (2,787 words) [view diff] case mismatch in snippet view article find links to article

doi:10.1086/172404. Bunker, P. R.; Jensen, P. (2005). Fundamentals of Molecular Symmetry. CRC Press. ISBN 0-7503-0941-5. Jean-Pierre Maillard; Pierre Drossart;

Renner–Teller effect (656 words) [view diff] case mismatch in snippet view article find links to article

Bibcode:1959RSPTA.251..553D. doi:10.1098/rsta.1959.0011. S2CID 83464357. Molecular Symmetry and Spectroscopy, 2nd ed. Philip R. Bunker and Per Jensen, NRC Research

Vibronic coupling (2,670 words) [view diff] case mismatch in snippet view article find links to article

244....1L. doi:10.1098/rspa.1958.0022. S2CID 97141844.See page 12 Molecular Symmetry and Spectroscopy, 2nd ed. Philip R. Bunker and Per Jensen, NRC Research

Diethyl azodicarboxylate (1,658 words) [view diff] exact match in snippet view article find links to article

thioethers from alcohols. Reactions normally result in the inversion of molecular symmetry. DEAD was used in the original 1967 article by Oyo Mitsunobu, and

Electron electric dipole moment (2,016 words) [view diff] case mismatch in snippet view article find links to article

Springer-Verlag. P. R. Bunker and P. Jensen (2005), Fundamentals of Molecular Symmetry (CRC Press) ISBN 0-7503-0941-5[1] Chapter 15 Arnowitt, R.; Dutta,

Soy protein (4,009 words) [view diff] exact match in snippet view article find links to article

McPherson, A. (January 1994). "Crystallographic characterization and molecular symmetry of edestin, a legumin from hemp". J. Mol. Biol. 235 (1): 361–3. doi:10

Oxford Chemistry Primers (127 words) [view diff] case mismatch in snippet view article find links to article

Chemistry and Catalysis Robin Whyman 5 July 2001 97 Introduction to Molecular Symmetry J. S. Ogden 26 July 2001 98 Foundations of Chemical Biology C. M.

Conical intersection (1,869 words) [view diff] case mismatch in snippet view article find links to article

hardening Vibronic coupling Surface hopping Ab initio multiple spawning Molecular Symmetry and Spectroscopy, 2nd ed. Philip R. Bunker and Per Jensen, NRC Research

Luis M. Campos (1,200 words) [view diff] case mismatch in snippet view article find links to article

R.; Venkataraman, Latha; Campos, Luis M. (2013-08-14). "Impact of Molecular Symmetry on Single-Molecule Conductance". Journal of the American Chemical

Geometric phase (4,014 words) [view diff] case mismatch in snippet view article find links to article

molecules". Discuss. Faraday Soc. 35: 77–82. doi:10.1039/DF9633500077. Molecular Symmetry and Spectroscopy, 2nd ed. Philip R. Bunker and Per Jensen, NRC Research

Yves Jeannin (1,434 words) [view diff] exact match in snippet view article find links to article

Jeannin, J.Martin-Frère, M.Pope, « A heteropolyanion with fivefold molecular symmetry that contains a non labile encapsulated sodium ion. The structure

Representation theory of the symmetric group (2,840 words) [view diff] case mismatch in snippet view article find links to article

Jucys–Murphy element Garnir relations Philip R. Bunker and Per Jensen (1998) Molecular Symmetry and Spectroscopy, 2nd ed. NRC Research Press, Ottawa [1] pp.198-202

2-Norbornyl cation (5,919 words) [view diff] exact match in snippet view article find links to article

proposed structures of the 2-norbornyl cation illustrates a different molecular symmetry. The non-classical form contains a reflection plane through carbons

Metal carbonyl (7,931 words) [view diff] case mismatch in snippet view article find links to article

Wiley Interscience. ISBN 978-0-471-51094-9. Carter, R. L. (1997). Molecular Symmetry and Group Theory. Wiley. ISBN 978-0-471-14955-2. Harris, D. C.; Bertolucci

Crystallographic database (5,432 words) [view diff] case mismatch in snippet view article find links to article

Open-Source Program Jmol to Generate an Interactive Web Site to Teach Molecular Symmetry". Journal of Chemical Education. 82 (11): 1736–1740. Bibcode:2005JChEd

Diabatic (3,985 words) [view diff] exact match in snippet view article find links to article

Adhikari, Satrajit (2014). "The excited states of K3 cluster: The molecular symmetry adapted non-adiabatic coupling terms and diabatic Hamiltonian matrix"

Rigid rotor (6,116 words) [view diff] case mismatch in snippet view article find links to article

Bibcode:1927PhRv...29..262K. doi:10.1103/PhysRev.29.262. S2CID 4000903. Molecular Symmetry and Spectroscopy, 2nd ed. Philip R. Bunker and Per Jensen, NRC Research

Eckart conditions (3,384 words) [view diff] case mismatch in snippet view article find links to article

(1): 69. Bibcode:1976RvMP...48...69L. doi:10.1103/RevModPhys.48.69. Molecular Symmetry and Spectroscopy, 2nd ed. Philip R. Bunker and Per Jensen, NRC Research

Woodward–Hoffmann rules (11,923 words) [view diff] case mismatch in snippet view article find links to article

ISBN 978-1483256153. P. R. Bunker and P. Jensen (2005), Fundamentals of Molecular Symmetry (CRC Press) ISBN 0-7503-0941-5[1] see Section 10.4 Carroll, Felix

Ernesto Estrada (scientist) (1,203 words) [view diff] exact match in snippet view article

Hebrew University of Jerusalem with Prof. David Avnir working on molecular symmetry numbers and rotational partition functions. In 2000, he emigrated

Hückel method (7,291 words) [view diff] case mismatch in snippet view article find links to article

Academic Press, 1978. P. R. Bunker and P. Jensen (2005),Fundamentals of Molecular Symmetry (CRC Press) Hückel method for benzene: Sections 3.4.3 and 10.2 ISBN 0-7503-0941-5[1]

Sessile drop technique (4,381 words) [view diff] exact match in snippet view article find links to article

are diiodomethane, which should have no polar component due to its molecular symmetry, and water, which is commonly known to be a very polar liquid. Though

Xenon monochloride (22,323 words) [view diff] exact match in snippet view article find links to article

differences between alkali metals and excited rare gases exist in their molecular symmetry. The number of states of rare gas halides is greater than that of

Chemical graph generator (5,061 words) [view diff] exact match in snippet view article find links to article

{\displaystyle V} . In molecular graphs, canonical labelling and molecular symmetry detection are implementations of automorphism groups. Although there