Research Article: 2,2,4,4-Tetra­phenyl-1,3-bis­(3,3,5,5-tetra­methyl-1,1-diphenyl-5-vinyl­trisilox­an-1-yl)­cyclo­disilazane

Date Published: May 01, 2011

Publisher: International Union of Crystallography

Author(s): Zhen Lv, Lina Dai, Xuezhong Zhang, Zhijie Zhang, Zemin Xie.

http://doi.org/10.1107/S1600536811014863

Abstract

The title mol­ecule, C60H70N2O4Si8, lies on an inversion center. In the asymmetric unit, one of the phenyl rings is disordered over two sets of sites with refined occupancies 0.58 (2) and 0.42 (2). In addition, in two substitution sites of the terminal dimeth­yl(vin­yl)silyl unit, a methyl group and the vinyl group are disordered over the same site with refined occupancies 0.523 (13) and 0.477 (13).

Partial Text

For similar cyclo­disilaza­nes to the title compound and their synthesis, see: Zhu et al. (2007 ▶).

 

Source:

http://doi.org/10.1107/S1600536811014863

 

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