SYNTHESIS AND X-RAY STRUCTURE OF COBALT SULFUR CLUSTERS CONTAINING IODIDES AS BRIDGING AND TERMINAL LIGANDS

被引：12

作者：

CECCONI, F ^{[1
]}

GHILARDI, CA ^{[1
]}

MIDOLLINI, S ^{[1
]}

ORLANDINI, A ^{[1
]}

机构：

[1] CNR,IST STUDIO STEREOCHIM & ENERGET COMPOSTI COORDINAZ,VIA J NARDI 39,I-50132 FLORENCE,ITALY

来源：

INORGANICA CHIMICA ACTA | 1991年 / 184卷 / 02期

关键词：

D O I：

10.1016/S0020-1693(00)85064-1

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

By reacting anhydrous CoI2 with PEt3 in a 1:2 ratio in the presence of S[Si(CH3)3]2, a mixture of [Co6(mu-3-S)6(mu-3-I)2(PEt3)6][Co(PEt3)I3]2 (1) and [Co7(mu-4-S)3(mu-3-S)3I3(PEt3)4] (2) is obtained. When the reaction is carried out with the halide and phosphine in a 1:1 ratio, only 1 is formed. The molecular structures of 1 and 2 were established by single-crystal X-ray diffraction study. Crystal data for 1: monoclinic, space group P21/a, Z = 2, a = 31.965(12), b = 11.902(5), c = 11.805(5) angstrom, beta = 98.77(8)-degrees. Crystal data for 2: cubic, space group Pa3BAR, a = 21.280(8) angstrom, Z = 8. 1 contains a novel octahedral species in which two iodide ligands replace two triply bridging sulfides. 2 displays a monocapped prismane geometry, with three cobalt atoms coordinated to a terminal iodine ligand.

引用

页码：141 / 145

页数：5

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