Acta Cryst. (2007). E63, m2595  [ doi:10.1107/S1600536807046909 ]

catena-Poly[[diaquacadmium(II)]--3,3'-(p-phenylene)diacrylato]

C.-B. Liu, L. Lu, Z.-L. Xu and Q.-W. Wang

Abstract: In the title compound, [Cd(C₁₂H₁₀O₄)(H₂O)₂], each Cd^II atom lies on a crystallographic twofold rotation axis and is six-coordinated by four carboxylate O atoms from two different 3,3'-(p-phenylene)diacrylate ligands, and two cis water molecules in a very distorted octahedral CdO₆ environment. Each 3,3'-(p-phenylene)diacrylate dianion is centrosymmetric and acts as a bis-chelating ligand that binds two Cd^II atoms, thus forming a zigzag chain. The chain is decorated with water molecules and O-HO hydrogen bonds link the chains together, forming a three-dimensional supramolecular structure.

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