Structure and stabilities of the isomers of SiB2H4

Subramanian, G. ; Jemmis, Eluvathingal D. (1999) Structure and stabilities of the isomers of SiB2H4 Chemical Physics Letters, 200 (6). pp. 567-572. ISSN 0009-2614

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/000926...

Related URL: http://dx.doi.org/10.1016/0009-2614(92)80092-P

Abstract

Ab initio quantum-mechanical methods at the HF/6-31G, MP2/6-31G and MP2/6-31G levels are used to study the relative stabilities of the isomers of SiB2H4. Isomers obtained using the analogy between trivalent boron and divalent silicon are calculated to be more stable compared to isomers where carbon is replaced by the isovalent silicon. 2π aromaticity and the preference of silicon for lower valency control the relative stabilities of SiB2H4 isomers.

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