Acta Cryst. (2005). E61, o1532-o1533  [ doi:10.1107/S160053680501158X ]

Nafimidone hemihydrate hemihydrochloride

A. Hempel, N. Camerman, A. Camerman and D. Mastropaolo

Abstract: In the crystal structure of the title compound, 2-(1H-imidazol-1-yl)-1-(2-naphthyl)ethanone hemihydrate hemihydrochloride, 2C₁₅H₁₃N₂O₂·H₂O·HCl or C₃₀H₂₅N₄O₄⁺·Cl^-·H₂O, there are two independent molecules of nafimidone in the asymmetric unit. The imidazole and the naphthalene rings in both molecules are planar. The water molecule is hydrogen bonded to Cl^- ions. The protonation occurs at the unsubstituted N atom in both molecules, with 50% occupancy, linking the molecules together by hydrogen bonding. A network of weak non-standard hydrogen bonds exists in the crystal structure.

Online 7 May 2005

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