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基于夹心型结构单元构建的一维多金属氧酸盐的晶体工程
引用本文:吴立新,李豹,闫毅. 基于夹心型结构单元构建的一维多金属氧酸盐的晶体工程[J]. 黑龙江水专学报, 2011, 2(3): 31-36
作者姓名:吴立新  李豹  闫毅
作者单位:吉林大学超分子结构与材料国家重点实验室,长春,130012
基金项目:国家重点基础研究发展规划项目(2007CB808003); 国家自然科学基金项目(20973082,20921003,20703019,21073076)
摘    要:通过水溶液方法合成了两个以夹心型结构为构筑基元的一维多金属氧酸盐Na4[M4(H2O)18WM3(H2O)2(MW9O34)2].nH2O(M=Zn(1),Co(2)),并对其进行了红外、热重、元素分析及X射线单晶结构表征。晶体结构分析表明,化合物1和2是由[WM3(H2O)2(MW9O34)2]12-(M=Zn,Co)的多阴离子单元通过ZnII或CoII连接形成的一维链状结构。循环伏安实验表明,化合物1和2都具有良好的电化学活性。

关 键 词:多金属氧酸盐  夹心型化合物  一维结构  

One-di mensional crystal engineering of polyoxometalates with sandwich-type units
WU Li-xin,LI Bao,YAN Yi. One-di mensional crystal engineering of polyoxometalates with sandwich-type units[J]. Journal of Heilongjiang Hydraulic Engineering College, 2011, 2(3): 31-36
Authors:WU Li-xin  LI Bao  YAN Yi
Affiliation:WU Li-xin,LI Bao,YAN Yi(State Key Laboratory of Supramolecular Structure and Materials,Jilin University,Changchun 130012,China)
Abstract:Two one-dimensional (1D) polyoxometalates (POMs) constructed from the sandwich-type units, Na4 [M4 (H2O) 18 WM3 (H2O)2 (MW9O34 ) 2] ·nH2O (M = Zn (1), Co (2)), were synthesized and characterized by infrared spectroscopy, thermogravimetric analysis, elemental analysis, and single crystal Xray diffraction, respectively. The crystal structure analysis shows that the anions of the comple- xes 1 and 2 are isomorphous and show 1D chainlike structue based on the [WM3 (H2O)2 (MW9O34)2]^12- (M Zn, Co) units. The cyclic voltammogram experiments show both complexes posess good electro- chemical activities.
Keywords:polyoxometalate  sandwich-type compound  one-dimensional structure  
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