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Keywords:

  • Polyoxometalates;
  • Tin;
  • Rhodium;
  • Palladium;
  • Structure elucidation;
  • Solid-state NMR spectroscopy

Abstract

Three polyoxotungstates of SnII, PdII, and RhII, Na8[H2SnW12O42]·nH2O [1, n = 22.75 (1a) and n = 31.10 (1b)], Na2K(H)[Pd(H2O)4][H2W12O48{Pd(H2O)3}2]·10H2O (2), and Na8[Rh2(H2O)2(W5O18)2]·21.25H2O (3) were obtained. The complexes were characterized by X-ray analysis, solid-state 1H NMR spectroscopy, IR spectroscopy, thermogravimetric analysis, and elemental analysis.