Document Detail

Diatomic Silylynes, Germylynes, Stannylynes, and Plumbylynes: Structures, Dipole Moments, Dissociation Energies, and Quartet-Doublet Gaps of EH and EX (E = Si, Ge, Sn, Pb; X = F, Cl, Br, I).
MedLine Citation:
PMID:  23731286     Owner:  NLM     Status:  Publisher    
Systematic theoretical studies of the carbyne and halocarbyne analogues E-H and E-X (E = Si, Ge, Sn, Pb; X = F, Cl, Br, I) were carried out with ab initio coupled-cluster methods using very large basis sets. The (2)Π state is the ground electronic state for all these compounds. The quartet-doublet energy separations, equilibrium distances, and dissociation energies for these species are predicted. The quartet-doublet splittings fall in the order EF > ECl > EBr > EI > EH for a given metal E; and PbX > GeX > SnX > SiX for the same halogen atom X. The dipole moments span a large range, from 0.08 debye (GeH) to 3.58 debye (PbCl). The dissociation energies range from 1.84 eV (PbH) to 6.15 eV (SiF).
Huidong Li; Hao Feng; Weiguo Sun; Yaoming Xie; Henry F Schaefer
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-6-3
Journal Detail:
Title:  Inorganic chemistry     Volume:  -     ISSN:  1520-510X     ISO Abbreviation:  Inorg Chem     Publication Date:  2013 Jun 
Date Detail:
Created Date:  2013-6-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0366543     Medline TA:  Inorg Chem     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
School of Physics and Chemistry, Research Center for Advanced Computation, Xihua University , Chengdu, China 610039.
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