Acta Cryst. (2003). E59, m841-m842  [ doi:10.1107/S1600536803019342 ]

Tetraaqua-1,2,4,5-benzenetetracarboxylato(pyrazine)dicobalt(II) dihydrate

S.-Y. Yang, L.-S. Long, R.-B. Huang, L.-S. Zheng and S. W. Ng

Abstract: The Co(II) atom in polymeric {[Co₂(C₁₀H₂O₈)(C₄H₄N₂)(H₂O)₄]·2H₂O}_n exists in an octahedral coordination environment defined by the two O atoms of a chelating carboxyl group, the O atom of a monodentate carboxyl group of another benzenetetracarboxylato unit, two water molecules and the N atom of the pyrazine. The tetraanionic ligand and the N-heterocycle are located on inversion centers. The layer structure is linked by hydrogen bonds into a network structure.

Online 5 September 2003

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