Extended X-ray absorption fine structure studies of transition-metal periodate and tellurate complexes. Crystal structure of Rb2Na4[OsO2(H2TeO6)2]·16H2O

Abstract

The structures of a range of transition-metal (Cu, Ag, Au, Ru, Os, Pd, Pt, Co and Mn) periodate or tellurate complexes have been determined using a combination of metal K- or L_III-edge and iodine or tellurium K-edge extended X-ray absorption fine structure data. The crystal structure of the osmium(VI) tellurate Rb₂Na₄[OsO₂(H₂TeO₆)₂]·16H₂O has been determined and contains OsO₆ and TeO₆ octahedral groups linked via edge sharing to form a discrete anion.