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Acta Cryst. (2012). E68, m41-m42  [ doi:10.1107/S1600536811052688 ]

Pentaaqua(5-carboxypyridine-2-carboxylato-[kappa]2N,O2)(pyridine-2,5-dicarboxylato-[kappa]2N,O2)cerium(III) tetrahydrate

N. Ma, T. Zhang and G.-R. Yang

Abstract: In the title compound, [Ce(C7H3NO4)(C7H4NO4)(H2O)5]·4H2O, the Ce3+ ion is nine-coordinated by two O atoms and two N atoms from one single and from one double deprotonated pyridine-2,5-dicarboxylate ligand and five water molecules in a distorted monocapped square-antiprismatic geometry. In the crystal, extensive O-H...O hydrogen-bonding interactions result in a three-dimensional supramolecular architecture.

Online 10 December 2011

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