Geometric isomeric pairs:: synthesis, structure, thermal decomposition and magnetic properties of cis- and trans-[Cr(mal)(bpy)(H2O)2][NO3]•xH2O (H2mal = malonic acid, bpy=2,2′-bipyridine)

被引：17

作者：

Hernández-Molina, M

Lorenzo-Luis, PA

Ruiz-Pérez, C

Lloret, F

Julve, M

机构：

[1] Univ La Laguna, Dept Fis Fundamental 2, Grp Rayos X, San Cristobal la Laguna 38204, Tenerife, Spain

[2] Univ La Laguna, Dept Fis Basica, Grp Crecimiento Cristalino, San Cristobal la Laguna 38204, Tenerife, Spain

[3] Univ La Laguna, Dept Quim Inorgan, San Cristobal la Laguna 38204, Tenerife, Spain

[4] Univ Valencia, Fac Quim, Dept Quim Inorgan, E-46100 Burjassot, Valencia, Spain

来源：

INORGANICA CHIMICA ACTA | 2001年 / 313卷 / 1-2期

关键词：

crystal structures; chromium(III) complexes; geometric isomeric pairs; thermal analysis; magnetic behaviour;

D O I：

10.1016/S0020-1693(00)00369-8

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Procedures are given for the preparation and isolation of cis-[Cr(mal)(bpy)(H2O)(2)][NO3]. 3H(2)O (I) and trans-[Cr(mal)(bpy)(H2O)(2)][NO3].H2O (II) (H(2)mal = malonic acid, bpy - 2,2'-bipyridine). The single crystals X-ray structure of cis-compound reveals that the cations and anions as well as cations between cations are linked into hydrogen-bonded chains. Unfortunately, little structural information is available for the trans compound II (only isotropic cation refinement), nevertheless, from this result is observed that there also exists a hydrogen-bonded network between anion units. Thermal analysis and magnetic behaviour for both compounds were studied. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：87 / 94

页数：8

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