Derivatives of the 21-tungsto-9-antimonate heteropolyanion. Part 2. Addition of transition metal cations |
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| Authors: | Jingfu Liu Shuxia Liu Lunyu Qu Michael T. Pope |
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| Affiliation: | 1. Department of Chemistry, Northeast Normal University, 130024, Changchun, PR China
2. Department of Chemistry, Georgetown University, 20057, Washington DC, USA
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| Abstract: | Ammonium salts of five new heteropolytungstates, [NaSb9W21O86M3]12,9− (M=MnII, FeIII, CoII, NiII, CuII) have been prepared and characterized by elemental analysis, visible and i.r. spectroscopy, magnetic susceptibility measurements, and cyclic voltammetry. Evidence for ligand substitution at the M cation centres is presented, and possible binding sites for M on the polyanion surface are discussed. |
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