The origins of the different bonding features in SiH5 - and CH5-; A valence bond curve crossing model

Gjergji Sini, Philippe C. Hiberty*, Sason S. Shaik

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

35 Scopus citations

Abstract

Valence bond (VB) computations reveal that the difference between the SiH5- and CH5- title species does not derive from the hypervalency associated with d atomic orbitals, but rather from the ability of Si to utilize efficiently its σ*(Si-H) orbitals for bonding, much more so than C with the σ*(C-H) orbitals, so that SiH5- possesses two H-Si-H axial bonds vs. only one such bond for CH5-.

Original languageEnglish
Pages (from-to)772-774
Number of pages3
JournalChemical Communications
Issue number12
DOIs
StatePublished - 1989
Externally publishedYes

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