杂多酸(C_(10)H_(10)N_2)_2VW_(12)O_(40)·H_2O的制备及晶体结构  

Preparation and Characterization of Heteropolyacid (C_(10)H_(10)N_2)_2VW_(12)O_(40)·H_2O

作　　者：郭虹[1] 武锡铭 孙美玲[1] 

机构地区：[1]沈阳化工大学应用化学学院,辽宁沈阳110142

出　　处：《沈阳化工大学学报》2016年第4期305-309,共5页Journal of Shenyang University of Chemical Technology

摘　　要：以Na_2WO_4·2H_2O、NH_4VO_3和4,4'-联吡啶(4,4'-bpy)为反应物、采用水热法合成多酸化合物(C_(10)H_(10)N_2)_2VW_(12)O_40·H_2O.用红外光谱、X-射线衍射和X-射线单晶衍射仪测定其晶体结构.该化合物是由Keggin结构阴离子[VW_(12)O_40]_4-配合片段质子化的4,4'-bpy构成,二维层通过N—H…O、C—H…O、O—H…O氢键进一步桥连,形成无限延伸的三维结构.Polyacid compound（C10H10N2）2VW12O40·H2O was synthesized by hydrothermal reaction of Na2WO4 ·2H2O, NH4VO3 and 4,4＇-bpy. Infrared spectroscopy and X-ray diffraction were employed to characterize the crystal structure of the product. The results showed that the compound is composed of anionic [ VW12O40]^4- with Keggin structure fragments and the protonized 4,4 ＇- bpy. Two-dimensional layer by N-H…O, C-H…O, O-H…O hydrogen bond bridged even further, forming the unlimited extension of the three-dimensional structure.

关 键 词：杂多酸化合物 红外光谱 X-射线衍射 晶体结构 热重分析 

分 类 号：O611[理学—无机化学]