Acta Cryst. (2007). E63, m1772  [ doi:10.1107/S1600536807025305 ]

catena-Poly[[[aquabis(4-chlorobenzoato-²O,O')manganese(II)]--4,4'-bipyridine-²N:N']4,4'-bipyridine solvate]

D.-Y. Ma and G.-H. Deng

Abstract: The title compound, {[Mn(C₇H₄ClO₂)₂(C₁₀H₈N₂)(H₂O)]·C₁₀H₈N₂}_n, is a manganese polymer constructed from 4-chlorobenzoate and 4,4'-bipyridine ligands. The Mn centre and coordinated water molecule lie on a twofold rotation axis. The Mn^II centre is in a distorted pentagonal-bipyramidal geometry, coordinated by four carboxylate O atoms from two symmetry-related 4-chlorobenzoate ligands, two N atoms from two symmetry-related 4,4'-bipyridine ligands (axial positions) and one water molecule. A polymeric structure results from the bridging character of the 4,4'-bipyridine ligands. A three-dimensional network is formed by these chains via O-HO hydrogen bonds and - stacking interactions. The face-to-face and centroid-centroid distances between parallel 4-chlorobenzoic acids of neighboring complexes (-x, -y, -z) are 3.583 (3) and 3.703 (2) Å, respectively. The non-coordinated 4,4'-bipyridine molecule fills voids in the metal-organic framework, stabilizing the crystal structure.

Online 31 May 2007

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