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合成了三种异双核配合物[Cu(oxae)Ni(L)(ClO4)2],其中oxae代表N,N’-双(二氨基乙基)草酰胺二价阴离子,L代表乙二氨(en),1,3-丙二氨(pn)或1,2-丙二氨(ap),基于红外光谱,元素分析和电子光谱,证明这些配合物具有扩展草酰胺桥联结构,并且由在平面配位环境下的铜(Ⅱ)离子和八面体配位环境下的镍(Ⅱ)离子组成。同时测定了配合物的变温磁化率(4.2~300K),计算出的J值表明,三种配合物顺磁离子间存在反铁磁耦合。
Three kinds of heterobinuclear complexes [Cu (oxae) Ni (L) (ClO4) 2] were synthesized, in which oxae represents N, N’-bisdiaminoethyl oxalate dianion and L represents ethylenediamine en), 1,3-propanediamine (pn) or 1,2-propanediamine (ap). These complexes were confirmed to have an extended oxamide bridge structure based on IR, elemental analysis and electron spectroscopy, Copper (Ⅱ) ions in planar coordination environment and nickel (Ⅱ) ions in octahedral coordination environment. Simultaneously, the temperature-dependent magnetic susceptibility (4.2 ~ 300K) of the complex was measured. The calculated J value indicates that there exists anti-ferromagnetic coupling between the three complexes paramagnetic ions.