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二乙酰丙酮桥联双核镍(Ⅱ)配合物的合成、表征与磁性研究 被引量:3

Synthesis,characterization and magnetic property of di-nickel(Ⅱ) complex with bis(β-diketonato)-bridged ligand
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摘要 以高氯酸镍、二苯甲酰甲烷、二乙酰丙酮为原料合成了新型固态三元配合物[Ni_2(C_(10)H_(12)O_4)(C_(15)H_(11)O_2)_2]·3H_2O,并用元素分析、电导率、红外光谱、电子光谱和电喷雾质谱对其进行了表征,确定了配合物的组成,研究了配合物在氮气气氛中的热分解行为.其变温磁化率(2~300K)的测定结果表明桥联双核Ni^(2+)配合物为弱的反铁磁性自旋交换作用,交换参数为J=-1.04cm^(-1),Weiss常数θ=-2.5 K. A novel bis(β-diketonato)-bridged di-nickel ( II ) complex, ENi2 (C10 H12 O4 ) (C15 H11O2 )2 · 3H2O (C15 H11 O2 = 1,3-diphenylpropane-I, 3-dione anion; C10 H12 O4 = bisacetylacetonate dianion), was synthesized and characterized by the element analysis, conductivity, infrared spectra, electronic spectra and ESI-MS. Thermogravimetry(TG) and differential scanning calorimetry(DSC) for compound in an atmosphere of N2 was performed. The magnetism of the di-nickel( II) complex has been characterized with the aid of variable-temperature magnetic susceptibility (2-300 K). The result showed that the coupling of Ni( II )-Ni( II) is weakly antiferromagnetic in the diacac-bridged complex (J=-1. 04 cm^-1, θ=-2.5 K).
出处 《华中师范大学学报(自然科学版)》 CAS CSCD 北大核心 2010年第3期418-422,共5页 Journal of Central China Normal University:Natural Sciences
基金 江西省自然科学基金项目(2008GZH0063) 江西省教育厅科技项目(GJJ09355)
关键词 二乙酰丙酮桥联 镍(Ⅱ)配合物 合成 磁性 热分析 bridged bisacetylacetonate di nickel( II ) complex synthesis magnetism thermal analysis
作者简介 E-mail:yc_mgq@ycu.jx.cn.
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共引文献26

同被引文献30

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