H+ ADDITION TO THE HETEROATOMIC COP3 CLUSTER - SYNTHESIS OF THE RADICAL COP3+ CLUSTER AND ELECTROCHEMICAL STUDY

被引：20

作者：

DIVAIRA, M

STOPPIONI, P

MIDOLLINI, S

LASCHI, F

ZANELLO, P

机构：

[1] UNIV FIRENZE,DIPARTIMENTO CHIM,VIA MARAGLIANO 77,I-50144 FLORENCE,ITALY

[2] CNR,IST ISSECC,I-50132 FLORENCE,ITALY

[3] UNIV SIENA,DIPARTMENTO CHIM,I-53100 SIENNA,ITALY

来源：

POLYHEDRON | 1991年 / 10卷 / 18期

关键词：

D O I：

10.1016/S0277-5387(00)86131-8

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Treatment of a dichloromethane suspension of [(triphos)CoP3] [triphos = 1,1,1-tris(diphenylphosphinomethyl)ethane] with CF3SO3H affords a compound of formula [(triphos)CoP3H](CF3SO3)2.(H5O2). An X-ray crystallographic analysis of the compound has provided evidence for one hydrogen atom bridging a Co-P edge of the CoP3 core of the metal cation, which crystallizes with one oxonium ion, two CF3SO3- counterions, and one water molecule, all interlinked via a net of hydrogen bonds. The NMR data for the [(triphos)CoP3H]+ cation suggest that the H+ electrophilic addition involves both the P3 group and the metal atom. Additional information on the physical properties of the CoP3 cluster has been obtained by investigating its electrochemical behaviour and synthesizing the [(triphos)CoP3]+ cation, containing the radical cluster CoP3+, through the oxidation of the parent [(triphos)CoP3] compound.

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页码：2123 / 2129

页数：7

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