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Acta Cryst. (2008). E64, m342-m343  [ doi:10.1107/S1600536808000743 ]

(Tetraoxidoselenato-[kappa]O)tris(thiourea-[kappa]S)zinc(II)

R. Krupková, J. Fábry, I. Císarová and P. Vanek

Abstract: The title structure, [Zn(SeO4)(CH4N2S)3], is isomorphous with sulfatotris(thiourea)zinc(II). In both structures, the Zn2+ cation is coordinated in a tetrahedral geometry. The corresponding intramolecular distances are quite similar except for the Se-O and S-O distances. Although the hydrogen-bonding patterns are similar, there are some differences; in the title structure all the H atoms are involved in the hydrogen-bond pattern, in contrast to the situation in sulfatotris(thiourea)zinc(II). No reproducible anomalies were detected by differential scanning calorimetry in the range 93-463 K until decomposition started at the higher temperature.

Online 11 January 2008


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