Direct evidence of the existence of organic derivatives of pentacoordinated silicon with the Si ← Cl coordinate bond. Molecular structure of chloro [1-{1,1-dimethyl-2-(4′methoxybenzoyl}hydrazonium) methyl] dimethylsilane

A. A. Macharashvili, V. E. Shklover, Yu T. Struchkov, B. A. Gostevskii, I. D. Kalikhman, O. B. Bannikova, M. G. Voronkov, V. A. Pestunovich

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Abstract

An X-ray study of chloro[1-{1,1-dimethyl-2-(4′methoxybenzoyl)hydrazonium} methyl]dimethylsilane (I) has been carried out (R = 0.035 for 2800 reflections). The Si atom, which has a trigonal-bipyramidal [4 + 1] coordination with the O and Cl atoms in axial positions (Si-O 1.788(1) Å, SiCl 2.624(1) Å, is markedly displaced from the equatorial plane towards the oxygen atom (ΔSi 0.178 Å), which confirms that there is a coordinate bond between the silicon atom and chloride ion.

Original languageEnglish
Pages (from-to)23-30
Number of pages8
JournalJournal of Organometallic Chemistry
Volume356
Issue number1
DOIs
StatePublished - 15 Nov 1988
Externally publishedYes

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