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Acta Cryst. (2012). E68, m1139
[ doi:10.1107/S1600536812033776 ]


P. Yang, Y. Liu, H. Y. Li and B. Ding

Abstract: In the title coordination polymer, [PbBr(C6H5N2O2)(H2O)]n, the PbII atom is coordinated by one pyrazine N atom, two bridging Br atoms, a water molecule and three carboxylate O atoms. Bridging by the two anions generates a layer structure parallel to (001); the layers are linked by O-H...N and O-H...Br hydrogen bonds, forming a three-dimensional network. The lone pair is stereochemically active, resulting in a [Psi]-dodecahedral coordination environment for PbII.

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