Acta Cryst. (2008). E64, m662-m663  [ doi:10.1107/S1600536808009227 ]

catena-Poly[[tetraaqua(-4,4'-bipyridine-²N:N')zinc(II)] fumarate tetrahydrate]

Y. Tian, Y.-P. Wu, D.-S. Li, H. Wang and J.-W. Wang

Abstract: In the title compound, {[Zn(C₁₀H₈N₂)(H₂O)₄](C₄H₂O₄)·4H₂O}_n, the Zn^II atom is coordinated by two N atoms from two -4,4'-bipyridine ligands and four water molecules in a distorted octahedral geometry. The coordination unit is extended through the Zn-N bond, leading to a one-dimensional cationic chain. A twofold rotation axis passes through the Zn atom and along the axis of the 4,4'-bipyridine ligand. Each uncoordinated water molecule acts as both hydrogen-bond donor and acceptor. A three-dimensional network is constructed through hydrogen bonds involving water molecules and fumarate dianions.

Online 16 April 2008

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