Acta Cryst. (2008). E64, m302  [ doi:10.1107/S1600536807068298 ]

Aquabis[1-ethyl-6-fluoro-7-(4-methylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylato]zinc(II) dihydrate

W. Qi, J. Huang and Z. An

Abstract: The title compound, [Zn(C₁₇H₁₉FN₃O₃)₂(H₂O)]·2H₂O or [Zn(pef)₂(H₂O)]·2H₂O, where pef is 1-ethyl-6-fluoro-7-(4-methylpiperazin-4-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylate, was synthesized under hydrothermal conditions. The Zn^II atom exhibits a distorted ZnO₅ square-pyramidal geometry defined by two bidentate O,O-bonded pef anions in the basal plane and one water molecule in the apical position. A network of O-HO and O-HN hydrogen bonds is formed between the Zn^II complexes and the uncoordinated water molecules.

Online 9 January 2008

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