Date Published: June 01, 2011
Publisher: International Union of Crystallography
Author(s): Rui Han, Mei-Mei Chai, Jun-Liang Yang, Yong Ye.
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].
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 ▶).