Acta Cryst. (2009). E65, m1035-m1036  [ doi:10.1107/S1600536809030189 ]

Poly[[(₂-benzene-1,4-dicarboxylato-⁴O¹,O^1':O⁴,O^4')(₂-di-4-pyridyldiazene-²N¹:N^1')cobalt(II)] N,N-dimethylformamide disolvate hemihydrate]

C.-X. Chu, Y. Zhang, H. Zhou and A.-H. Yuan

Abstract: In the title compound, {[Co(C₈H₄O₄)(C₁₀H₈N₄)]·2C₃H₇NO·0.5H₂O}_n, the Co^II atom is six-coordinated by four O atoms from two benzene-1,4-dicarboxylate (H₂bdc^2-) groups and two N atoms from two 4,4'-azopyridine (4,4'-azpy, or di-4-pyridyldiazene) ligands, leading to a distorted octahedral geometry. The structure consists of two-dimensional corrugated sheets with a 4⁴ topology in an ...ABAB... packing pattern stacking along the a axis. The separation of the adjacent corrugated sheets is ca. 8.561 (2)  Å (CoCo distance) along the a axis. The uncoordinated water molecule is half-occupied. The crystal structure is stabilized by O-HN and C-HO hydrogen-bonding interactions.

Online 8 August 2009

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