Research Article: 1,1-(Biphenyl-2,2′-diyldi­oxy)-3,3,5,5-tetra­kis­(4-bromo­methyl­phen­oxy)cyclo­triphosphazene

Date Published: June 01, 2011

Publisher: International Union of Crystallography

Author(s): Rui Han, Mei-Mei Chai, Jun-Liang Yang, Yong Ye.

http://doi.org/10.1107/S1600536811016047

Abstract

In the title compound, C40H32Br4N3O6P3, the cyclo­triphos­phazene ring adopts a planar conformation, with an r.m.s. deviation of 0.0247 Å. In the crystal, there is a weak inter­molecular C—H⋯O hydrogen bond as well as short inter­molecular Br⋯Br contacts [3.3352 (12) Å].

Partial Text

For general background to cyclo­triphosphazenes, see: Manners (1996) ▶. For the applications of cyclo­triphosphazene derivatives as flame retardants, see: Allcock (1977 ▶); as elastomers, see: Allcock (2000 ▶); as biomaterials, see: Trollsa & Hedrick (1998 ▶); as artificial nucleases, see: Wang, Ye, Zhong et al. (2009 ▶); Wang, Ye, Ju et al. (2009 ▶).

Source:

http://doi.org/10.1107/S1600536811016047