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Acta Cryst. (2012). E68, m28  [ doi:10.1107/S1600536811052287 ]

Poly[[diaquabis([mu]2-4,4'-bipyridyl)iron(II)] bis{2-[(3-carboxypyridin-2-yl)disulfanyl]nicotinate}]

J.-J. Shan, S.-Y. Chai and Y.-L. Feng

Abstract: In the title compound, {[Fe(C10H8N2)2(H2O)2](C12H7N2O4S2)2}n, synthesized by hydrothermal reaction, the 4,4'-bipyridyl ligands (one with symmetry 2, one with symmetry \\overline1) connect Fe2+ cations, forming a cationic layer parallel to (001). The coordination of the Fe2+ cation (site symmetry 2) is octahedral, with four N atoms from four 4,4'-bipyridyl ligands and O atoms from two trans water molecules. Adjacent layers are linked with each other by intermolecular O-H...O hydrogen bonds, forming a three-dimensional supramolecular structure. Parts of the nicotinic acid derivative are equally disordered over two sets of sites.

Online 10 December 2011

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