聚金属氧酸盐[(C_4H_9)_4N]_6[PMo_(12)O_(40)]_2·0.5H_2O的晶体结构  

Synthesis and Crystal Structure of Polyoxometalate [(C_4H_9)_4N]_6[PMo_(12)O_(40)]_2·0.5H_2O

作　　者：党东宾[1] 金亚南[1] 柏 潘晓静[1] 王敬平[1] 

机构地区：[1]河南大学化学化工学院分子与晶体工程研究所,河南开封475001

出　　处：《化学研究》2007年第3期50-52,共3页Chemical Research

基　　金：教育部科学技术研究重点项目(207068);河南省自然科学基金资助项目(0611023000);河南大学自然科学基金资助项目(06YBZR017)

摘　　要：在乙腈-水混合溶剂中培养得到了聚金属氧酸盐[(C4H9)4N]6[PMo12O40]2.0.5H2O的单晶.X射线衍射结构分析表明,该晶体属于单斜晶系,C2/c空间群,晶胞参数:a=4.996(10)nm,b=1.411(3)nm,c=2.633(5)nm,β=114.804(4)°,V=16.844 nm3,Z=1,R1=0.0843,wR2=0.2546.化合物分子由两个多阴离子[PMo12O40]3-,6个四丁基胺阳离子[n-Bu4N]+和0.5个结晶水组成.The single crystal of a polyoxometalate,[（C4H9）4N]6[PMo（12）O（40）]2·0.5H2O, was prepared in CHsCN-H20 solution, and characterized by single crystal X-ray diffraction. The compound belongs to monoclinic system, with space group C2/c, unit cell：a=4.996（10）nm,b=1.411（3）nm,c=2.633（5）nm,β=114.804（4）°,V=16.844 nm3,Z=1,R1=0.0843,wR2=0.2546.The molecule of the compound consists of six tetrabutylammonium cations, two heteropolyanions of [ PMo12 040] 3- and a half water molecule.

关 键 词：多金属氧酸盐 杂多酸盐 磷钼酸盐 晶体结构 

分 类 号：O616.2[理学—无机化学]