Acta Cryst. (2006). E62, m213-m215  [ doi:10.1107/S1600536805041826 ]

Poly[bis(₂-pyridine-2,6-dicarboxylato)nickel(II)disodium(I)]

J. Xiang, Y.-G. Yin and X.-C. Huang

Abstract: The title compound, [Na₂Ni(C₇H₃NO₄)₂]_n, was synthesized by reaction of pyridyl-2,6-dicarboxylic acid (H₂PDC) and NiCl₂ in the presence of NaOH. Two PDC units ligate to the Ni^II cation in an N,O',O''-tridentate manner and the Ni^II cation, which lies on a twofold rotation axis, has distorted tetragonal-bipyramidal octahedral geometry. The Na⁺ ions are surrounded by the O atoms of the PDC anions and one-dimensional chains are constructed by interactions between O and Na.

Online 7 January 2006

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