SYNTHESES AND CRYSTAL-STRUCTURES OF HEPTANUCLEAR CLUSTERS [VS4(CUPPH(3))(5)BR(2)CUX] AND [VS4(CUPPH(3))(5)BR(2)CUX]CENTER-DOT-CH2CL2 (X=0.5BR+0.5CL)

被引：15

作者：

YU, XF ^{[1
]}

ZHENG, FK ^{[1
]}

HUANG, LR ^{[1
]}

机构：

[1] CHINESE ACAD SCI,FUJIAN INST RES STRUCT MATTER,FUZHOU 350002,PEOPLES R CHINA

来源：

POLYHEDRON | 1995年 / 14卷 / 23-24期

关键词：

D O I：

10.1016/0277-5387(95)00167-Q

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The preparation of the title compounds of heptanuclear heterometallic clusters by heating a mixture of (NH4)VS4, CuCl, PPh(3) and Et(4)NBr in a solid state reaction at low temperature has been investigated. The compounds [VS4(CuPPh(3))(5)Br(2)CuX] (1) and [VS4(CuPPh(3))(5)Br(2)CuX]. CH2Cl2 (2) have been characterized by single-crystal X-ray diffraction. The clusters consist of a tetrahedral VS4 core bound to an octahedral array of six copper atoms which have two different coordinations, trigonal planar and tetrahedral. Each copper atom is bound to a terminal ligand: five of these are PPh(3) molecules and one a halogen atom. The geometries of the two additional bridging bromine atoms are different in the title clusters. For cluster 1 both bromine atoms are mu(2) atoms, while for duster 2 one is mu(2)-Br and the other mu(3)-Br.

引用

页码：3599 / 3604

页数：6

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