The origins of the different bonding features in SiH5–and CH5–; a valence bond curve crossing model
- 1 January 1989
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 12,p. 772-774
- https://doi.org/10.1039/c39890000772
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 –.Keywords
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