Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 10 (October 2013)


metal-organic compounds



xu5736 scheme

Acta Cryst. (2013). E69, m538    [ doi:10.1107/S1600536813024781 ]

catena-Poly[[triaquacopper(II)]-[mu]-5-carboxybenzene-1,3-dicarboxylato-[kappa]2O1:O3]

Y.-H. Ma, P.-Z. Ma, T. Yao and J.-T. Hao

Abstract: In the title complex, [Cu(C9H4O6)(H2O)3]n, the CuII cation exhibits a distorted square-pyramidal coordination geometry involving five O atoms from two monodentate 5-carboxybenzene-1,3-dicarboxylate anions and three water molecules. The 5-carboxybenzene-1,3-dicarboxylate anions bridge CuII cations into zigzag polymeric chains running along the b-axis direction. These chains are further linked by O-H...O hydrogen bonds between coordinating water molecules or carboxyl groups and carboxylate groups into a three-dimensional supramolecular architecture. In the crystal, [pi]-[pi] stacking is observed between parallel benzene rings of adjacent chains, the centroid-centroid distances being 3.584 (3) and 3.684 (3) Å.


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