Synthesis and Crystal Structure of 18-Tungstotetranickel(II) diphosphate Na_(10){(PW_9O_(34))_2Ni_4(H_2O)_2}·26H_2O  

作　　者：崔传鹏 吴新涛 等 

出　　处：《Chinese Journal of Structural Chemistry》2001年第4期274-277,共4页结构化学（英文）

基　　金：grants from the State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, CAS, the

摘　　要：The structure of single crystal of the polyoxotungstate salt Na10{(PW9O34)2Ni4（H2O）2}·26H2O ( Na10Ni4O96P2W18H56, Mr=5371.96) has been determined by X-ray diffraction (MoK（）. Crystal data: P21/n, a=11.898（2）, b=16.629（4）, c=21.413（4） ?, ( = 100.59（1）o, V= 4164.5（1） ?3, Z=2, Dc = 4.284g/cm3, F（000） = 4704, ( =2.5847cm-1, final R = 0.0344, and wR= 0.0804 for 5830 independent reflections. Two B-(-PW9O349- units in the compound are linked via a set of four coplanar Ni2+ atoms, which also carry H2O ligands. The NiO6 octahedra in each centrosymmetric anion are all tetragonally elongated with their long axes parallel.

关 键 词：B-(-PW_9O_(34)9-  units polyoxotungstate salts crystal structure 

分 类 号：O641.4[理学—物理化学]