新型高聚合度钨磷多金属氧酸盐超分子化合物的水热合成与晶体结构

Hydrothermal synthesis and crystal structure of a novel high poly tungstophophate supramolecular compound

首次报道了新型高聚合度钨磷多金属氧酸盐超分子化合物H16{[P4W14Na3 (H2O)7O58]2[Na4(H2O)13]2[P4W14Na2(H2O)2O56]}·24H2O的水热合成方法,用元素分析、IR和单晶X射线衍射等手段进行了表征．晶体属三斜晶系,P1空间群,a= 1．551 5(3)nm,b=1．866 4(4)an],c=2.224 9nm,α=105.10(3)°,β=96.74(3)°,γ= 95．23(3)°,V=6．127(2)nm3,Z=1,Mr=12 418.36,Dc=3．365 g·cm-3,μ=19．843 mm-1, F(000)=5 516,R=0．0 829,Rw=0．2 020．测定结果表明,标题化合物是由两个[P4W14Na3 (H2O)7O58]9-和一个[P4W14Na2(H2O)2O56]6-阴离子通过O-Na-O桥键合而成．

A novel high poly tungstophosphate supramolecular compound, H16 { P4 W14 Na3 （H2 O） 7 O58 } 2 [Na4 （H2 O）13 ]2 [P4 W14 Na2 （H2 O）2 O56 ] }·24H2 O has been firstly synthesized by hydrothermal method and characterized by elemental analysis, IR and single-crystal X-ray structure analysis. The crystal is triclinic system with space group pl,a=1. 551 5（3） nm, b=1. 866 4（4） nm,c=2. 224 9 nm,a= 105. 10（3）°,β=96. 74（3）°,γ=95. 23（3）°,V=6. 172（2） nm^3,Z= 1,Mr=12 418. 36,Dc=3. 365 g·cm^-3 ,μ=19. 843 mm^-1] ,F（000）=5 516,R=0. 082 9,Rw=0. 202 0. The result of structure analysis shows that the title compound consists of two [P4 W14Na3 （H2O）7 O58 ]^9-and [P4W14 Na3 （ H2O）7 O56 ]^6- anion and linked O-Na-O.