有机模板剂三维磷酸亚磷酸钒化合物水热合成与结构表征

Hydrothermal Synthesis and Characterization of Organically Templated Vanadium Phosphite with Three-dimensional Structure

在中温水热条件下,一个以咪唑为模板剂的具有三维结构的磷酸亚磷酸钒化合物[V(H2O)]6V2[PO3(OH)]12[HPO3]2.2H Im.H2Im 1被合成出来。单晶X射线衍射分析结果表明,化合物1属三方晶系,空间群P-3/c,晶胞参数为a=1.351 38(3)nm,b=1.351 38(3)nm,c=1.803 27(5)nm,β=120℃,V=2.852(12)nm3,Z=2。化合物是通过钒原子连接无机的磷钒氧层构成的三维结构,质子化的咪唑分子位于无机层间的孔道之中。

An organically templated vanadium phosphate phosphite, [ V （ H2 O） ] 6 V2 [ PO3 （OH） ] 12 [ HPO3 ] 2 · 2Him · H2 Im 1 is synthesized under mild hydrothermal system and characterized by single crystal X-ray diffraction. Compound 1 crystallizes in hexagonal system, space group P-3/c with cell parameters a = 1.35138 （3） nm, b = 1.35138 （ 3 ） nm, c = 1. 80327 （ 5 ） nm,8 = 120 ℃, V = 2. 852 （12） nm^3 and Z =2. The inorganic layers are linked by vanadium and form three-dimensional structure. Organic template molecules located the channel which between the inorganic layers through hydrogen bonding.