Heteropolymetallic assemblies constructed from homometallic coordination polymers and paramagnetic metal-containing anions.: Synthesis, crystal structure and magnetic properties of [Mn(4,4′-bipyridine-N,N′-dioxide) (H2O)4][Cr(bipy)(C2O4)2]2•8H2O

被引：23
|
作者：
Bruda, S
Andruh, M
Roesky, HW
Journaux, Y
Noltemeyer, M
Rivière, E
机构：
[1] Univ Bucharest, Fac Chem, Inorgan Chem Lab, Bucharest 70254, Romania
[2] Univ Gottingen, Inst Anorgan Chem, D-37077 Gottingen, Germany
[3] Univ Paris Sud, Chim Inorgan Lab, F-91405 Orsay, France
来源：
INORGANIC CHEMISTRY COMMUNICATIONS | 2001年 / 4卷 / 02期
关键词：
crystal structure; manganese complexes; chromium complexes; 4,4 '-bipyridine-N,N '-dioxide complexes; magnetic properties;
D O I：
10.1016/S1387-7003(00)00223-9
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The reaction of the Mn2+ (aq) and [Cr(bipy)(C2O4)(2)](-) (aq) ions with 4,4'-bipyridine-N,N'-dioxide leads to a heteropolymetallic system, [Mn(4,4'-bipyridine-N,N'-dioxide) (H2O)(4)][Cr(bipy)(C2O4)(2)](2) . 8H(2)O (1) The crystal structure of 1 consists of one-dimensional chains, (1)(infinity)[Mn(4,4'-bipyridine-N,N'-dioxide) (H2O)(4)](n)(2n+), with Mn(II) ions bridged by 4,4'-bipyridine-N N'-dioxide ligands. The infinite homometallic chains are interconnected through hydrogen bonds with the water molecules and the [Cr(bipy)(C2O4)(2)](-) anions. The cryomagnetic measurements of compound 1 reveal weak anti-ferromagnetic interactions between the manganese(II) ions within the chain (J= -1.2 cm(-1)). (C) 2001 Published by Elsevier Science B.V. All rights reserved.
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收藏
页码：111 / 114
页数：4
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