Synthesis and characterization of bis[bis(pentafluoroethyl)phosphinyl]imides, M(+)N[(C2F5)2P(O)]2(-), M = H, Na, K, Cs, Ag, Me4N

Dana Bejan; Helge Willner; Nikolai Ignatiev; Christian W Lehmann

doi:10.1021/ic801088q

Synthesis and characterization of bis[bis(pentafluoroethyl)phosphinyl]imides, M(+)N[(C2F5)2P(O)]2(-), M = H, Na, K, Cs, Ag, Me4N

Inorg Chem. 2008 Oct 6;47(19):9085-9. doi: 10.1021/ic801088q. Epub 2008 Aug 20.

Authors

Dana Bejan¹, Helge Willner, Nikolai Ignatiev, Christian W Lehmann

Affiliation

¹ Bergische Universität Wuppertal, FB C - Anorganische Chemie, Gauss Strasse 20, D-42097 Wuppertal, Germany.

PMID: 18712863
DOI: 10.1021/ic801088q

Abstract

A convenient synthesis and a full characterization of the strong acid bis[bis(pentafluoroethyl)phosphinyl]imide and some of its salts M (+)N[(C 2F 5) 2P(O)] 2 (-), M = Na, K, Cs, Ag, Me 4N, are presented. Their thermal (mp, T dec.) and spectroscopic (IR, Raman, NMR) properties are discussed. A single crystal structure of [Me 4N][N{P(O)(C 2F 5) 2} 2] has been obtained, and the structural parameters of the anion are compared with the results of quantum-chemical calculations. The observed properties are comparable to those of bis((trifluoromethyl)sulfonyl)imide and their derivatives.

Publication types

Research Support, Non-U.S. Gov't

MeSH terms

Crystallography, X-Ray
Imides / chemistry*
Phosphines / chemistry*
Salts / chemistry

Substances

Imides
Phosphines
Salts
phosphine