Preparation of [tris(1,3-dithiole-2-thione-4,5-dithiolato)antimonate(1(-))] complexes, [Sb-v(dmit)(3)](-). Crystal structure of the 1,4-dimethylpyridinium salt

被引：29
|
作者：
Spencer, GM [1 ]
Wardell, JL [1 ]
Aupers, JH [1 ]
机构：
[1] UNIV ABERDEEN,DEPT CHEM,OLD ABERDEEN AB9 2UE,SCOTLAND
来源：
POLYHEDRON | 1996年 / 15卷 / 16期
关键词：
D O I：
10.1016/0277-5387(95)00562-5
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Ionic complexes, [Q] [Sb(dmit)(3)] [Q = 1,4-MR(2)-pyridinium or NEt(4)], have been isolated from the reaction of [Q], [Zn(dmit)(2)] and SbI5, prepared in situ from SbI3 and I-2 (H-2-dmit = 4,5-dimercapto-1,3-dithiole-2-thione). A crystal structure determination of [1,4-Me(2)-pyridinium] [Sb(dmit)] revealed that the anions contain octahedral Sb atoms, with Sb-S bond lengths between 2.504(1) and 2.553(1) Angstrom. The chelate bite angles are in the range 80.30(4)-83.50(5)degrees. Sulfur-sulfur contacts, at distances less than the van der Waals radii, link the anions into a 3-D (three-dimensional) framework: each of the three dmit ligands in an anion have weak S- - -S interactions with neighbouring anions. Copyright (C) 1996 Elsevier Science Ltd
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收藏
页码：2701 / 2706
页数：6
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