CONTRIBUTIONS TO THE CHEMISTRY OF PHOSPHORUS .225. LITHIUM PENTAHYDROGEN OCTAPHOSPHIDE

被引：8

作者：

BAUDLER, M

HEUMULLER, R

DUSTER, D

机构：

[1] Institut Für Anorganische Chemie, Universität Köln, W-5000

来源：

ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 1993年 / 619卷 / 06期

关键词：

LITHIUM PENTAHYDROGEN OCTAPHOSPHIDE; 7-LITHIUM-2,5,6-TRIHYDROGEN-3-PHOSPHINO-BICYCLO[2.2.1]HEPTAPHOSPHIDE; HYDROGEN POLYPHOSPHIDES; POLYCYCLIC PHOSPHORUS ANIONS;

D O I：

10.1002/zaac.19936190609

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Lithium pentahydrogen octaphosphide, LiH5P8 (1), belongs to the first reaction products of the metallation of P2H4 with n-butyllithium to be detected. Compound 1 is also formed in the reactions of the tricyclic heptaphosphide Li3P7 or the monocyclic pentaphosphide LiH4P5 with P2H4. In all cases, LiH4P7, LiH8P7, and further not yet identified polyphosphides are formed additionally. The composition and the structure of 1 have been elucidated by P-31-NMR studies, above all a complete analysis of its low-temperature (P{H}-P-31-H-1)-NMR spectrum. Hence, compound 1 is 7-lithium-2,5,6-trihydrogen-3-phosphino-bicyclo[2.2.1]heptapho sphide and has a norbornane-type P7 skeleton. At room temperature 1 decomposes to furnish more phosphorus-rich lithium polyphosphides.

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页码：1007 / 1011

页数：5

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