Acta Cryst. (2005). E61, m2550-m2552  [ doi:10.1107/S1600536805036172 ]

Diaquabis(4,4'-bipyridine-N)bis(4-carboxyphenoxyacetato-O)cobalt(II) tetrahydrate

Z.-P. Deng, S. Gao, L.-H. Huo and J.-G. Zhao

Abstract: The crystal structure of the title complex, [Co(C₉H₇O₅)₂(C₁₀H₈N₂)₂(H₂O)₂]·4H₂O or [Co(4-CPOAH)₂(4,4'-bipy)₂(H₂O)₂]·4H₂O (4,4'-bipy is 4,4'-bipyridine and 4-CPOAH^- is the 4-carboxyphenoxyacetate monoanion), consists of two independent mononuclear molecules that interact through the uncoordinated water molecules. The Co^II atoms lie on inversion centers and display an octahedral geometry defined by two oxyacetate O atoms of 4-CPOAH^- groups, two N atoms of 4,4'-bipy ligands and two water molecules. A three-dimensional supramolecular network structure is formed through hydrogen-bonding interactions.

Online 10 November 2005

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