title: 1,1-(Biphenyl-2,2'-diyldi-oxy)-3,3,5,5-tetra-kis-(4-bromo-methyl-phen-oxy)cyclo-triphosphazene.
abstract: In the title compound, C(40)H(32)Br(4)N(3)O(6)P(3), the cyclo-triphos-phazene ring adopts a planar conformation, with an r.m.s. deviation of 0.0247 Å. In the crystal, there is a weak inter-molecular C-H⋯O hydrogen bond as well as short inter-molecular Br⋯Br contacts [3.3352 (12) Å].
authors.affiliation: Phosphorus Chemical Engineering Research Center of Henan Province, Department of Chemistry, Zhengzhou University, Zhengzhou 450052, People's Republic of China.
authors.forename: Rui
authors.initials: R
authors.lastname: Han
authors.forename: Mei-Mei
authors.initials: MM
authors.lastname: Chai
authors.forename: Jun-Liang
authors.initials: JL
authors.lastname: Yang
authors.forename: Yong
authors.initials: Y
authors.lastname: Ye