Crystal structure of hexa-prop-2-en-1-yl 4,4',4'',4''',4'''',4'''''-[1,3,5,2λ(5),4λ(5),6λ(5)-tri-aza-triphosphinine-2,2,4,4,6,6-hexa-yl-hexa-kis-(-oxy)]hexa-benzoate.

Jing Zhu,Fu-Wei Zheng,Qian Li,Juan He,Ling-Bo Qu

doi:10.1107/s2056989015021301

Jing Zhu, Fu-Wei Zheng + Show 3 more

Open Access

https://doi.org/10.1107/s2056989015021301

Copy DOI

Abstract

In the title compound, C60H54N3O18P3, the central phosphazene ring is essentially planar, with an r.m.s. deviation of the six fitted atoms of 0.068 Å. The P—N bond lengths are within the narrow range 1.575 (2)–1.585 (2) Å, indicating the electrons are delocalized within the ring. The two ethenyl benzoate substituents on each P atom are located up and down with respect to the plane of the central P3N3 ring. The atoms of two terminal propenyl groups are disordered over two sets of sites, with refined site-occupancy ratios of 0.249 (12):0.751 (12) and 0.476 (9):0.524 (9). No intermolecular interactions are observed.

Highlights

In the title compound, C60H54N3O18P3, the central phosphazene ring is essentially planar, with an r.m.s. deviation of the six fitted atoms of 0.068 Å
The P—N bond lengths are within the narrow range 1.575 (2)–1.585 (2) Å, indicating the electrons are delocalized within the ring
Cyclotriphosphazene derivatives feature a planar sixmembered ring consisting of alternating N and P atoms (Wu et al, 2011)

Summary

Introduction

C60H54N3O18P3, the central phosphazene ring is essentially planar, with an r.m.s. deviation of the six fitted atoms of 0.068 Å. The two ethenyl benzoate substituents on each P atom are located up and down with respect to the plane of the central P3N3 ring. Absorption correction: multi-scan (CrysAlis PRO; Agilent, 2011) H-atom parameters constrained max = 0.28 e Å3

Results

Conclusion