Geometric isomeric pairs: synthesis, structure, thermal decomposition and magnetic properties of cis- and trans-[Cr(mal)(bpy)(H2O)(2)][NO3]center dotxH(2)O (H(2)mal = malonic acid, bpy=2,2 '-bipyridine)

Authors
Hernandez-Molina, M Lorenzo-Luis, PA Ruiz-Perez, C Lloret, F Julve, M
Citation
M. Hernandez-molina et al., Geometric isomeric pairs: synthesis, structure, thermal decomposition and magnetic properties of cis- and trans-[Cr(mal)(bpy)(H2O)(2)][NO3]center dotxH(2)O (H(2)mal = malonic acid, bpy=2,2 '-bipyridine), INORG CHIM, 313(1-2), 2001, pp. 87-94
Citations number
30
Categorie Soggetti
Inorganic & Nuclear Chemistry
Journal title
INORGANICA CHIMICA ACTA
ISSN journal
00201693 → ACNP
Volume
313
Issue
1-2
Year of publication
2001
Pages
87 - 94
Database
ISI
SICI code
0020-1693(20010226)313:1-2<87:GIPSST>2.0.ZU;2-7
Abstract
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 s tructure of cis-compound reveals that the cations and anions as well as cat ions 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 t hat there also exists a hydrogen-bonded network between anion units. Therma l analysis and magnetic behaviour for both compounds were studied. (C) 2001 Elsevier Science B.V. All rights reserved.