Acta Cryst. (2004). E60, m121-m122  [ doi:10.1107/S1600536803028988 ]

cis-Diaquabis(ethylenediamine)nickel(II) benzene-1,4-dicarboxylate monohydrate

K.-B. Shiu, C.-H. Yen, F.-L. Liao and S.-L. Wang

Abstract: The title compound, cis-[Ni(C₂H₈N₂)₂(H₂O)₂](C₈H₄O₄)·H₂O, was obtained by a reaction of nickel chloride hexahydrate, terephthalic acid, ethylenediamine and NaOH (molar ratio 2:1:4:2). The compound contains a six-coordinate Ni^II cation, with four ethylenediamine N atoms and two water O atoms attached to the Ni atom, one benzene-1,4-dicarboxylate anion, and one water molecule of solvation. A C₂ axis passes through the Ni atom, the anion and the water O atom. Intermolecular hydrogen-bonding interactions are present, linking the nickel complex cations, organic anions and uncoordinated water molecules in the crystal structure.

Online 24 December 2003

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