Bond-Stretch Isomerism in Tetrasilabicyclo[1.1.0]butane Derivatives

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Date
1996-04-01
Authors
Boatz, Jerry
Gordon, Mark
Gordon, Mark
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Abstract

Bond-stretch isomerism is predicted not to occur in the parent compound Si4H6 and the substituted 1,3-di-tert-butyl derivative, although the existence of bond-stretch isomerism in the 1,3-dimethyl derivative is a possibility. Bulky bridgehead moieties induce a preference for a short Si−Si bridge bond, while a longer bridge bond length (2.840 Å at the MP2/6-31G(d,p) level) is predicted for the unsubstituted molecule.

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Reprinted (adapted) with permission from Organometallics 15 (1996): 2118, doi:10.1021/om9508501. Copyright 1996 American Chemical Society.

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