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Journal of Coordination Chemistry
Year: 2010  |  Volume: 63  |  Issue: 3  |  Page No.: 426 - 434

Hydrothermal syntheses and characterizations of two compounds assembled from tungstates and bpy (bpy = 4,4'-bipyridine)

Yan Wang, Ling Ye, Hong Ding, Tie-Gang Wang, Guo-Wu Wang, Shu-Yun Shi, Xiao-Bing Cui and Ji-Qing Xu    

Abstract: Two compounds based on polyoxometalates, (4,4'-H2bpy)7(4,4'-Hbpy)[BW12VIO40]2[BW12VIO40] ·10H2O (1) and (4,4'-H2bpy)6(4,4'-bpy)[P2W18VIO62]2 · 18H2O (2), have been prepared under hydrothermal conditions and characterized by IR, XPS spectra, TG analyses, and single crystal X-ray diffraction. Both compounds consist of 4,4'-bipyridine units and polyoxometalates: [BW12VIO40]5- for 1 and [P2W18VIO62]6- for 2. In addition, 1 contains both Keggin-type and disordered Keggin-type anions, while 2 contains a (H2O)10 water cluster.

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