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N,N′-双(2-吡啶甲基)二硫代草酰胺根桥联的三核铜(Ⅱ)配合物的合成及表征
引用本文:崔建中,程鹏,廖代正,姜宗慧,阎世平,王耕霖.N,N′-双(2-吡啶甲基)二硫代草酰胺根桥联的三核铜(Ⅱ)配合物的合成及表征[J].无机化学学报,1999,15(2):238-242.
作者姓名:崔建中  程鹏  廖代正  姜宗慧  阎世平  王耕霖
作者单位:南开大学化学系,天津 300071,南开大学化学系,天津 300071,南开大学化学系,天津 300071,南开大学化学系,天津 300071,南开大学化学系,天津 300071,南开大学化学系,天津 300071
基金项目:中国科学院资助项目,Tianjin Natural Sci. Found,59772020;29631040,983604611,,
摘    要:Two new trinuclear copper(Ⅱ) complexes bridged with N,N′-Bis(2-pyridylmethyl)-Dithiooxamidate, [Cu3L2](ClO4)2(1) and [Cu3L2](NO3)2(2) (H2L=N,N′-Bis(2-pyridylmethyl)-Dithiooxamide), have been synthesized, and characterized by elemental analyses, IR, UV-visible spectra, conductance and EPR spectra. The variable temperature magnetic susceptibility for complex (1) has been measured in the range of 1.5~298K. Experimental data of magnetic susceptibility are successfully fit to theoretical value based on the spin Hamiltonian operator: H=-2J(S1S2+S2S3)-2JS1S3, S1=S2=S3=1/2, giving the magnetic exchange parameters of 2J=-170 cm-1 and 2J′=-7.2 cm-1. This result indicates the presence of a strong antiferromagnetic spin exchange interaction between the Cu(Ⅱ) ions.

关 键 词:二硫代草酰胺桥联配体  三核铜(Ⅱ)配合物  磁性
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