Effect of sterically hindered ligands on the solid-state structures of organosilanediols containing Si-N bonds

Chandrasekhar, Vadapalli ; Nagendran, Selvarajan ; Boomishankar, Ramamoorthy ; Butcher, Raymond J. (2001) Effect of sterically hindered ligands on the solid-state structures of organosilanediols containing Si-N bonds Inorganic Chemistry, 40 (5). pp. 940-945. ISSN 0020-1669

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Official URL: http://pubs.acs.org/doi/abs/10.1021/ic000487c

Related URL: http://dx.doi.org/10.1021/ic000487c

Abstract

Organosilicon dichlorides containing Si-N bonds, RN(SiMe3){Si(Me)Cl2}, R = 2,6-i-Pr2-C6H3, 1a, and R = 2,6-Me2C6H3, 1b, serve as excellent precursors for the corresponding silanediols, RN(SiMe3){Si(Me)(OH)2}, R = 2,6-i-Pr2-C6H3, 2a, and R = 2,6-Me2C6H3, 2b. X-ray crystal structures of 1a, 2a, and 2b have been carried out. The structure of 1a represents the first example of an organosilicon dichloride containing Si-N bonds. The N-bonded silanediol 2a, which contains the sterically encumbered isopropyl groups on the aromatic amino substituent on silicon, shows the formation of two different types of hexameric hydrogen-bonded clusters in the solid state. In contrast 2b consists of cyclic hydrogen-bonded dimers linked by further intermolecular hydrogen bonding to afford an overall polymeric structure with a crinkled ribbon like arrangement.

Item Type:Article
Source:Copyright of this article belongs to American Chemical Society.
ID Code:8909
Deposited On:28 Oct 2010 10:35
Last Modified:28 Oct 2010 10:35

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