X-ray structural determination of a bulky phosphine complex:: chloro{tris(2,4,6-trimethoxyphenyl)phosphine}gold(I), {AuCl[P(C9H11O3)3]}

被引：18

作者：

Alyea, EC ^{[1
]}

Ferguson, G ^{[1
]}

Kannan, S ^{[1
]}

机构：

[1] Univ Guelph, Dept Chem & Biochem, Guelph, ON N1G 2W1, Canada

来源：

POLYHEDRON | 2000年 / 19卷 / 20-21期

基金：

加拿大自然科学与工程研究理事会;

关键词：

bulky phosphine; X-ray structure; cone angle; two-coordinate gold complex;

D O I：

10.1016/S0277-5387(00)00527-1

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The title compound, {AuCl[P(C9H11O3)(3)]}, has three fold symmetry in the solid state. The Au Cl and Au-P bond lengths are 2.294 and 2.255 Angstrom, respectively, and the Au atom has nearly linear coordination geometry, with P Au Cl 176.03(9)degrees The extreme bulkiness of the phosphine ligand is shown by the mean cone angle of 188 degrees (based on O atoms defining the cone), though the cone angle is considerably smaller than 214 degrees for trimesitylphosphine in the known analogous complex. The shorter Au-P bond distance than for Ag-P (2.379(1) Angstrom) in the corresponding known silver chloride complex of tris(2.4,6-trimethoxyphenyl)phosphine tentatively supports an earlier conclusion that gold is smaller than silver. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：2211 / 2213

页数：3

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