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Acta Cryst. (2014). C70, 302-305  [ doi:10.1107/S2053229614003696 ]

A novel two-dimensional cobalt(II) complex composed of one-dimensional twisted pair-like chains: poly[[tetra­aqua­bis­([mu]3-pyridine-2,5-di­carboxyl­ato-[kappa]4N,O2:O5:O5')dicobalt(II)] dihydrate]

Q.-B. Hou, L.-J. Chen, J. Guo and S. Lin

Synopsis: A novel two-dimensional cobalt(II) complex, composed of one-dimensional twisted pair-like {[Co(2,5-PDC)2]2-}n chains interlinked by cationic [Co(H2O)4]+ units, is extended into a three-dimensional supra­molecular structure by hydrogen bonding involving uncoordinated water mol­ecules.

Formula: [Co2(C7H3NO4)2(H2O)4]·2H2O

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