Synthesis and Characterization of New Anderson-Type Polyoxometalates: [M((1,10-phen)(OH)x]3[Cr(OH)6Mo6O18]·16H2O (M=Cr, Mn, Co, Ni, Cu; x=1,2)
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Date
2023
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Abstract
Five new Anderson-type polyoxometalate compounds [M((1,10-phen)(OH)x]3[Cr(OH)6Mo6O18]∙16H2O (M=Cr(1), Mn(2), Co(3), Ni(4), Cu(5); x=1,2) were obtained from Na2MoO4∙2H2O and CrCl3∙6H2O within acidic aqueous medium (pH=2-3). The compounds are characterized by means of FT-IR, TGA, ICP-MS, and elemental analysis techniques. The structural analysis show that compounds (1-5) consist of a Anderson-type polyanion [Cr(OH)6Mo6O18]3-.