Synthesis, characterization, and magnetic study of pyrazine bridged polymeric complexes of copper(II)

被引：26
|
作者：
Das, A [1 ]
Todorov, I [1 ]
Dey, SK [1 ]
Mitra, S [1 ]
机构：
[1] Univ Jadavpur, Dept Chem, Kolkata 700032, W Bengal, India
来源：
INORGANICA CHIMICA ACTA | 2006年 / 359卷 / 07期
关键词：
copper(II); carboxylate; pyrazine; magnetic properties;
D O I：
10.1016/j.ica.2006.01.026
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The synthesis, structural characterization and magnetic property of two new coordination polymers [Cu(pyz)(mu-CH3CO2)4](n) (1) and [Cu(pyz)(mu-CCl3CO2)(4)](n) (2) (pyz = pyrazine) are reported. Here, the carboxylato bridged two dinuclear copper(I 1) complexes are linked through pyrazine giving a I-D alternating chain. The magnetic property of the complexes indicates a significant difference originated from the introduction of electron withdrawing substituent on the bridging dicarboxylate. Complex I exhibits strong antiferromagnetic interactions with J = -344.61 cm(-1) whereas 2 exhibits comparatively less strong I, antiferromagnetic coupling with J = -238.53 cm(-1). (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：2041 / 2046
页数：6
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