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草酰胺桥联异三核配合物的电化学及磁学性质 被引量:4

Electrochemical and Magnetic Property of Trinuclear Complexes Bridged by Oxamide
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摘要 合成了 2种不对称草酰胺桥联异三核配合物 { [Cu( oxca) ]2 M( H2 O) 2 } [oxca表示 N-( 2 -羧基苯 )·N -( 3-氨丙基 )草酰胺三价阴离子 ,M=Co2 +,Ni2 +]。用元素分析、红外光谱、电子光谱等对所合成配合物进行了表征。在 DMSO中采用循环伏安法研究了配合物的电化学性质。在 4~ 30 0 K范围内测量了{ [Cu( oxca) ]2 Co( H2 O) 2 }体系的变温磁化率 ,经拟合得磁参数 J=-2 8.0 9cm- 1。结果表明 ,异三核配合物分子内金属离子间存在反铁磁交换作用。 Two novel heterotrinuclear complexes 2M(H 2O) 2 where oxca denotes N-(2- carboxy phenyl)-N-(3-aminopropyl) oxamide and M=Co 2+, Ni 2+ have been synthesized. The results of IR, elemental analysis, conductivity measurements, electronic spectra and thermogravimetry analysis indicate that the complexes have an extended oxamido-bridged structure. The variable-temperature magnetic susceptibility measurements of { 2Co(H 2O) 2} over the range 4~300 K gave the exchange integral J=-28.09 cm -1.
出处 《应用化学》 CAS CSCD 北大核心 2002年第12期1158-1161,共4页 Chinese Journal of Applied Chemistry
基金 河南省科技厅自然科学基金资助项目 ( 2 110 2 130 0 )
关键词 草酰胺桥联异三核配合物 电化学 磁学性质 循环伏安法 反铁磁作用 heterotrinuclear oxamide bridged complex,cyclic votammetry,antiferromagnetic interaction
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