Acta Cryst. (2006). E62, m3309-m3311  [ doi:10.1107/S1600536806047015 ]

4,4'-Bipyridinium diaquabis(pyridine-2,5-dicarboxylato-²N,O²)zincate(II)

H. Wang, M.-X. Li, M. Shao and X. He

Abstract: Hydrothermal reaction of Zn(NO₃)₂·6H₂O with pyridine-2,5-dicarboxylic acid, 4,4'-bipyridine and pyridine in a 1:1:1:2 molar ratio affords the title complex, (C₁₀H₁₀N₂)[Zn(C₇H₃NO₄)₂(H₂O)₂], in which both ions are centrosymmetric. The Zn^II atom is octahedrally coordinated by two pyridine-2,5-dicarboxylate chelating ligands and two water molecules in a distorted octahedral geometry. 4,4'-Bipyridinium, acting as counter-ion, has hydrogen-bonding interactions with pyridine-2,5-dicarboxylate, forming a three-dimensional structure.

Online 15 November 2006

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