The Crystal Structure of 2,2-Bis(Trimethylsilylamino)-Tetrachlorocyclotriphosphazene.

Abstract

Tetrachlorocyclotriphosphazene crystals have unique observed reflections. The phosphazene ring lies on a crystallographic 2-fold axis and is planar within 0.031(5)A. The exo P-N bond distance is 1.609(5) and the Si-N bond distance is 1.757(5)A which suggests preferential nitrogen lone pair delocalization to the phosphorus atom. P-N distances in the ring alternate (from the P with the exo N atoms) from 1.617(5) to 1.551(5) to 1.591(4)A. The structural and 31 phosphorus 31 nmr parameters of 2,2-N3P3C14NHS;Me3)2 are compared to the analogous tert-butylamino derivative. Keywords: Cyclophosphazene, Silylamines; X-Ray crystallography.

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Document Details

Document Type
Technical Report
Publication Date
Nov 20, 1987
Accession Number
ADA188753

Entities

People

  • A. W. Cordes
  • C. W. Allen
  • Donald E. Brown
  • S. L. Craig

Organizations

  • University of Vermont

Tags

Communities of Interest

  • Advanced Electronics
  • Weapons Technologies

DTIC Thesaurus Topics

  • Chemical Shifts
  • Chemistry
  • Civil Engineering
  • Crystal Structure
  • Crystals
  • Engineering
  • Materials
  • Military Research
  • Molecular Structure
  • Nitrogen
  • Phosphorus
  • Reflection
  • United States
  • United States Government
  • Universities
  • X Rays
  • X-Ray Crystallography

Fields of Study

  • Chemistry

Readers

  • Organic Chemistry