REDOX CHEMICAL CORE MANIPULATION OF [OS18HG3C2(CO)42]2- - SYNTHESIS AND CRYSTAL-STRUCTURE OF THE CLUSTER [OS18HG2C2(CO)42]4-

被引:22
|
作者
GADE, LH
JOHNSON, BFG
LEWIS, J
CONOLE, G
MCPARTLIN, M
机构
[1] UNIV CAMBRIDGE,CHEM LAB,LENSFIELD RD,CAMBRIDGE CB2 1EW,ENGLAND
[2] UNIV N LONDON,SCH CHEM,LONDON N7 8DB,ENGLAND
关键词
D O I
10.1039/dt9920003249
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The extrusion of metallic mercury from [Os18Hg3C2(CO)42]2- 1 by reduction has been studied and the tetraanionic cluster [Os18HgC2(CO)42]4- 3 isolated and characterised. The structure of the [N(PPh3)2]+ salt of 3 has been established by a single-crystal X-ray structure analysis. Oxidation of 3 with [Fe-(eta5-C5H5)2]BF4 yielded the corresponding tri- and di-anionic clusters 4 and 2. The clusters 1-4 were found to be interrelated by reversible photochemical and redox-chemical transformations. This reactive behaviour is reflected in the results of an electrochemical study of 1 by cyclic voltammetry.
引用
收藏
页码:3249 / 3254
页数:6
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