Synthesis and characterization of bis[bis(pentafluoroethyl)phosphinyl]imides, M(+)N[(C2F5)2P(O)]2(-), M = H, Na, K, Cs, Ag, Me4N |
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Authors: | Bejan Dana Willner Helge Ignatiev Nikolai Lehmann Christian W |
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Institution: | Bergische Universit?t Wuppertal, FB C - Anorganische Chemie, Gauss Strasse 20, D-42097 Wuppertal, Germany. |
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Abstract: | A convenient synthesis and a full characterization of the strong acid bisbis(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. |
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