Crystal structures of [(CH3)2NH2]3InBr6 and [4-C1C5H4NH]2InBr5

被引:13
|
作者
Ishihara, H
Dou, S
Gesing, TM
Paulus, H
Fuess, H
Weiss, A
机构
[1] Saga Univ, Fac Culture & Educ, Saga 8408502, Japan
[2] Univ Hannover, Inst Mineral, D-30167 Hannover, Germany
[3] Tech Univ Darmstadt, Fachgebiet Strukturforsch, Fachbereich Mat Wissensch, D-64287 Darmstadt, Germany
关键词
crystal structures; tris(dimethylammonium) hexabromoindate(III); bis(4-chloropyridinium) pentabromoindate(III);
D O I
10.1016/S0022-2860(98)00444-X
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The crystal structures of tris(dimethylammonium) hexabromoindate(III) (1) and bis(4-chloropyridinium) pentabromoindate(III) (2) are determined, The structure of 1 consists of two kinds of isolated octahedral [InBr6](3-) anions; trigonal, R (3) over bar, Z = 12, a = 2895.8(9) and c = 828.2(3) pm. Compound 2 has an isolated distorted square pyramidal [InBr5](2-) anion; triclinic, P (1) over bar, Z = 2, a = 771.8(3), b = 907.5(4), and c = 1492.0(6) pm, alpha = 81.52(1), beta = 83.98(1), and gamma = 71.60(1)degrees. The five-coordinated In-III compound is very rare. The shapes of anions are compared with the results of MO calculations. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:175 / 182
页数:8
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