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二茂铁甲酰腙稀土配合物的合成与表征 被引量:7

Synthesis and Characterization of Rare Earth Complexes of Ferrocenylcarbonylhydrazone
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摘要 用二茂铁甲酰腙与稀土金属 ( )氯化物反应 ,合成了一系列配合物 ,进行了元素分析、IR、1 HNMR、质谱、电化学性质分析、摩尔电导率及荧光光谱表征 ,确定了配合物的组成 [L n(HL) 3 Cl3 · n H2 O]和可能的配位方式。分析表明配合物中配体以酮式与稀土金属离子配位 ;电导率测定结果说明配合物为非电解质 ;电化学性质分析表明配合物中三个单取代的二茂铁基所处的化学环境相同 ;荧光光谱测定结果表明配合物中没有稀土金属离子 f- f轨道间跃迁的特征光谱。 Rare earth complexes of ferrocenylcarbonylhydrazone Ln(HL) 3Cl 3·nH 2O(where Ln=Gd:n=0;Ln=Er,Tm:n=1;Ln=La,Yb:n=2;Ln=Pr,Dy:n=3;Ln=Nd,Sm,Eu:n=4;Ln=Ce,Lu:n=5;Ln=Tb,Ho:n=7;)have been synthesized and characterized by elemental analysis,MS,IR and 1 H NMR spectra.The ligand HL is bidentate,coordinating through the carbonyl oxygen and the imine nitrogen atom.The redox properties of the ligand and its complexes have been investigated using cyclic voltammetric method.The moler conductance and the solid state fluorescence spectra of complexes have also been studied.
出处 《稀土》 EI CAS CSCD 北大核心 2002年第1期6-10,共5页 Chinese Rare Earths
基金 国家自然科学基金资助项目
关键词 二茂铁甲酰腙 稀土配合物 合成 表征 稀土氯化物 rare earth complex ferrocenylcarbonylhydrazone synthesis
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