Analogy between trivalent boron and divalent silicon

Jemmis, Eluvathingal D. ; Prasad, Bharatam V. ; Tsuzuki, Seiji ; Tanabe, Kazutoshi (1990) Analogy between trivalent boron and divalent silicon Journal of Physical Chemistry, 94 (14). pp. 5530-5535. ISSN 0022-3654

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The electronic configuration of divalent Si compounds with a s lone pair and an empty p orbital is similar to that of trivalent borane if a B-H bond is eguated to the lone pair on Si. Following this analogy two novel compounds,:Si(μ-CH)(μ-H)Si:, 24, and:Si(μ-CH)2Si:, 26, are proposed. The energetics and geometries of the two compounds and their isomers (24, 26-39, and 41-65) are studied by use of the MNDO and 3-21G* methods.

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