Acta Cryst. (2007). E63, m2605  [ doi:10.1107/S1600536807046314 ]

Poly[bis(₂-4-pyridinecarboxylato-³N:O,O')cobalt(II)]: a triply interpenetrated structure with diamonoid topology

H.-Q. Hao, M.-X. Peng and Z.-Y. Chen

Abstract: The binary title complex, [Co(C₆H₄NO₂)₂]_n, is a three-dimensional coordination polymer that is triply interpenetrated with diamonoid topology. The asymmetric unit comprises half a Co atom, which lies on a twofold axis, and a 4-pyridinecarboxylate anion, in a general position. The Co atom is in a distorted cis-N₂O₄ octahedral geometry defined by two chelating carboxylate groups and two pyridyl N atoms.

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