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Acta Cryst. (2005). E61, m2680-m2682 [ doi:10.1107/S1600536805037797 ]
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4-acetylenedicarboxylato-zinc(II)]Abstract: From a solution of [Zn(H2O)6](NO3)2 and acetylenedicarboxylic acid in deionized water, single crystals of zinc acetylenedicarboxylate dihydrate, {[Zn(C4O4)(H2O)2]}n, were obtained by slow evaporation of the solvent. The asymmetric unit consits of one zinc cation which is located on a centre of symmetry, half of an acetylenedicarboxylate anion, the anion lying on a twofold axis, and one water molecule in a general position. Thus, zinc is octahedrally coordinated by four O atoms of acetylenedicarboxylate anions and two water molecules in trans positions. These octahedra are connected by dicarboxylate ligands into a three-dimensional network.
Online 23 November 2005
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