一种有机-无机复合Dawson类型磷钨酸盐[H_24,4′-bpy]_5[H_2bpb]_(0.5)H[α-P_2W_(18)O_(62)]_2·4H_2O（英文）  

An organic-inorganic composite Dawson-type phosphotungstate[H_24,4′-bpy]_5[H_2bpb]_(0.5)H[α-P_2W_(18)O_(62)]_2·4H_2O

作　　者：柴云[1] 巩培军 赵俊伟[1] 

机构地区：[1]河南大学化学化工学院河南省多酸化学重点实验室分子与晶体工程研究所,河南开封475004

出　　处：《化学研究》2015年第4期367-372,共6页Chemical Research

基　　金：Supported by the Natural Science Foundation of China(21101055,21301049,U1304208);the Natural Science Foundation of Henan Province(122300410106);the Foundation of Education Department of Henan Province(2010B150006);the Students Innovative Pilot Plan of Henan University(2012,2013)

摘　　要：利用水热技术合成了一种新的有机-无机复合的磷钨酸盐[H24,4′-bpy]5[H2bpb]0.5H[α-P2W18O62]2·4H2O(1)(4,4′-bpy=4,4′-bipyridine,bpb=1,4-bis(pyrid-4-yl)benzene),并通过红外光谱和X射线单晶衍射等技术对其结构进行了表征.化合物1属于三斜晶系,P-1空间群,其晶体学数据为a=1.461 83(10)nm,b=2.161 31(14)nm,c=2.632 87(19)nm,α=81.686 0(10)°,β=80.124 0(10)°,γ=84.893 0(10)°,V=8.091 5(10)nm3,Z=2,GOOF=1.007,R1=0.058 6,wR2=0.121 4.化合物1分子结构包含5个双质子化的4,4′-联吡啶阳离子、0.5个双质子化的1,4-二(4-吡啶基)苯阳离子、1个H+离子、2个饱和Dawson结构多阴离子[α-P2W18O62]6-和4个结晶水分子.此外,我们还研究了它的电化学性质.A new organic-inorganic composite Dawson-type phosphotungstate [H24,4′-bpy]5[H2bpb]0.5H[α-P2W18O62]2·4H2O（1）（4,4′-bpy=4,4′-bipyridine,bpb=1,4-bis（pyrid-4-yl）benzene）was prepared by the hydrothermal technique and its structure was determined by IR spectra and X-ray crystallography.1 belongs to the triclinic space group P-1and its crystallographic data are a = 1.461 83（10）nm,b = 2.161 31（14）nm,c = 2.632 87（19）nm,α =81.686 0（10）°,β= 80.124 0（10）°,γ = 84.893 0（10）°,V = 8.091 5（10）nm3,Z = 2,GOOF = 1.007,R1= 0.058 6and wR2=0.121 4.The molecule structure of 1 contains 5diprotonated[H24,4′-bpy]2＋cations,0.5diprotonated[H2bpb]2＋cation,1H＋cation,2plenary Dawson-type polyoxoanions[α-P2W18O62]6-and 4water molecules of crystallization.Moreover,its electrochemical properties are preliminarily probed.

关 键 词：多钨氧酸盐 水热合成 Dawson结构聚阴离子 

分 类 号：O614.3[理学—无机化学]