一个新型钨铋酸盐与碱土金属离子配位的多酸化合物的合成和表征

Synthesis and characterization of a new polyoxotungstobismutate compound coordinating alkaline-earth metal cations

一个基于[Bi2W20Cu2O70(H2O)4]10-缩写为:{Bi2W20Cu2})阴离子和碱土金属离子的新型多酸化合物Ca2Na2H4[Bi2W20Cu2O70(H2O)4].42H2O通过Na12[Bi2W22O74(OH)2].44H2O(缩写为:{Bi2W22}),CuCl2和CaCl2在水溶液中的反应被合成。标题化合物最大的特点是它代表了第一个钨铋酸盐与碱土金属离子配位的多酸化合物。通过单晶X射线衍射、红外光谱和元素分析对标题化合物的结构进行了表征。

One novel polyoxometalate compound Ca2Na2H4[Bi2W20Cu2O70（H2O）4]·42H2O based on the [Bi2W20Cu2O70（H2O）4]10-（abbr：{Bi2W20Cu2}） anions and alkaline-earth metal have been synthesized by the reaction of Na12[Bi2W2O74（OH）2]·44H2O（abbr：{Bi2W22}）,CuCl2 and CaCl2 in aqueous solution.The most interesting feature is that the title compound represents the first example of polyoxotungstobismutate coordinating alkaline-earth metal cations.The title compound is characterized by single-crystal X-ray diffraction,IR spectrum and elemental analysis.