Acta Cryst. (2002). E58, m602-m605  [ doi:10.1107/S1600536802017099 ]

The two-dimensional coordination polymer tetraaquamesaconatobarium(II), [Ba(C₅H₄O₄)(OH₂)₄]_n

A. Briceño, J. M. Delgado and G. Díaz de Delgado

Abstract: The structure of [Ba(C₅H₄O₄)(OH₂)₄]_n consists of two-dimensional rectangular grid layers, built up from the self-assembly of zigzag chains of edge-sharing {BaO₉} polyhedra linked by bridging bidendate mesaconate anions (C₅H₄O₄^2-) through different coordination modes of the carboxylate groups. The polymer layers form a three-dimensional network via O-HO hydrogen-bond interactions between the coordinated water molecules and the O atoms of the carboxylate groups.

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