Acta Cryst. (2005). E61, o3540-o3542  [ doi:10.1107/S1600536805031053 ]

5-Carboxylato-5-hydroxy-4-(4-methoxybenzoyl)-3-(4-methoxyphenyl)-1,1-dimethyl-4,5-dihydro-1H-pyrazol-1-ium monohydrate

S. Demir, M. Dinçer, I. Yildirim and A. Kayademir

Abstract: In the title compound, C₂₁H₂₂N₂O₆·H₂O, the pyrazolium ring is in an envelope conformation. In the crystal structure, intermolecular O-HO hydrogen bonds form molecular tapes along [001]. In addition, weak C-HO and a C-H interaction link molecules into a three-dimensional network.

Online 5 October 2005

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