Abstract
Tetrachlorobis(thiocarbamide)osmium(IV) dehydrate, [Os(Thio)2Cl4] · 2H2O, was synthesized by the reaction of K2[OsO2(OH)4] with thiocarbamide in 6 M HCl. The compound was characterized by chemical analysis and IR, UV, and X-ray photoelectron spectroscopies. The structure was determined by X-ray diffraction analysis. The coordination polyhedron of the osmium atom lying in the axis 2 is a distorted cis-octahedron formed by four chlorine atoms and two sulfur atoms of two monodentate thiocarbamide ligands: Os-S 2.3075(18) Å and Os-Cl 2.3625(18) Å (trans to Cl) and 2.4294(19) Å (trans to S). The conditions for the formation of the osmium(IV) thiocarbamide complexes in HCl solutions were determined using spectrophotometry, and the spectral characteristics of [Os(Thio)Cl5]− were obtained.
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Original Russian Text © O.V. Rudnitskaya, E.K. Kultyshkina, I.V. Lin’ko, V.S. Sergienko, G.G. Aleksandrov, 2010, published in Koordinatsionnaya Khimiya, 2010, Vol. 36, No. 2, pp. 138–142.
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Rudnitskaya, O.V., Kultyshkina, E.K., Lin’ko, I.V. et al. Osmium(IV) thiocarbamide complexes. Synthesis and crystal and molecular structures of [Os(Thio)2Cl4] · 2H2O. Russ J Coord Chem 36, 137–142 (2010). https://doi.org/10.1134/S1070328410020090
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DOI: https://doi.org/10.1134/S1070328410020090