Received 7 January 2011
The 4,4'-bipyridine heterocycle in the polymeric title compound, [Cd(C16H13O3)2(C10H8N2)(H2O)]n, links adjacent Cd(II) ions into a chain running along the c axis. The Cd atom, which lies on a twofold rotation axis, is chelated by the carboxylate unit and exists in a seven-coordinate pentagonal-bipyramidal geometry. The apical sites are occupied by N atoms. The water molecule also lies on the twofold rotation axis. The methyl substituent of the propanoate group is disordered over two positions in a 1:1 ratio. O-HO hydrogen bonding between water molecules and adjacent carboxylate O atoms is observed.
Data collection: RAPID-AUTO (Rigaku, 1998); cell refinement: RAPID-AUTO; data reduction: CrystalStructure (Rigaku/MSC, 2002); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: X-SEED (Barbour, 2001); software used to prepare material for publication: publCIF (Westrip, 2010).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: HG2790 ).
We thank Heilongjiang East University and the University of Malaya for supporting this study.
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