SYNTHESIS AND MAGNETIC-PROPERTIES OF MU-TEREPHTHALATO BINUCLEAR COBALT(II) COMPLEXES

被引：33

作者：

MA, SL ^{[1
]}

LIAO, DZ ^{[1
]}

JIANG, ZH ^{[1
]}

YAN, SP ^{[1
]}

XUE, FC ^{[1
]}

WANG, GL ^{[1
]}

机构：

[1] NANKAI UNIV,DEPT CHEM,TIANJIN,PEOPLES R CHINA

来源：

SYNTHESIS AND REACTIVITY IN INORGANIC AND METAL-ORGANIC CHEMISTRY | 1993年 / 23卷 / 02期

关键词：

D O I：

10.1080/15533179308016633

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Three Co(II)-Co(II) binuclear complexes have been synthesized, namely [Co2(TPHA)(L)4](ClO4)2 (L = 2,2'-bipyridyl (bpy), 1,10-phenanthroline (phen) and 4,4'-dimethyl-2,2'-bipyridyl (Me2bpy)), where TPHA is the terephthalato dianion. Based on IR, elemental analyses, conductivity measurements and electronic spectra, these complexes are proposed to have extended TPHA-bridged structures and to consist of two cobalt(II) ions in a distorted octahedron evironment. The temperature dependence of the magnetic susceptibility of [Co2(TPHA)(bpy)4](ClO4)2 . H2O and [Co2(TPHA)(phen)4](ClO4)2 . H2O has been studied giving the exchange integral J = -0.96 cm-1 and J = -0.93 cm-1, respectively. This indicates a weak antiferromagnetic interaction between the metal ions.

引用

页码：239 / 245

页数：7

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