[Cu(Dfo)_3]^(2+)修饰的Keggin型超分子化合物的合成与晶体结构

Synthesis and crystal structure of a [Cu(Dfo)_3]^(2+) modified Keggin-based supramolecular compound

利用水热合成方法合成了1个新的Keggin基有机-无机杂化化合物[Cu2(Dfo)6(SiMo12O40)],并通过元素分析、红外光谱和X射线单晶衍射方法确定了该化合物的晶体结构.结构分析表明该化合物属于立方晶系,Pa-3空间群,晶胞参数a=b=c=2.081 82(3)nm,α=β=γ=90°,V=9.022 6(4)nm3,Z=4,R1=0.064 9,ωR2=0.156 1.将目标化合物制成碳糊电极,利用循环伏安法研究了其电化学行为及其对NO2-还原的电催化性能.

A novel Keggin type supramolecular compound,[Cu2（Dfo）6（SiMo12O40）],has been synthesized under hydrothermal conditions and characterized by elemental analyses,IR spectrum and single crystal X-ray diffraction.It crystallizes in the cubic system,space group Pa-3,a=b=c=2.081 82（3） nm,α=β=γ=90°,V= 9.022 6（4） nm3,Z=4,R1= 0.064 9,ωR2=0.156 1.The title compound was made into carbon paste electrode（CPE） and its electrocatalytic activity for reduction of NO2-was studied by cyclic voltammetry.