Acta Cryst. (2009). E65, o2403-o2404  [ doi:10.1107/S1600536809033261 ]

4-(4-Chlorophenyl)-1-[3-(4-fluorobenzoyl)propyl]-4-hydroxypiperidin-1-ium 2,4,6-trinitrophenolate (haloperidol picrate)

J. P. Jasinski, R. J. Butcher, Q. N. M. Hakim Al-Arique, H. S. Yathirajan and B. Narayana

Abstract: In the title salt, C₂₁H₂₄ClFNO₂⁺·C₆H₂N₃O₇^-, the dihedral angle between the aromatic rings in the cation is 16.5 (1)°. The piperidium ring adopts a slightly distorted chair conformation. Strong hydrogen-bonding interactions occur between the N-H and O-H functions of the 4-hydroxypiperidin-1-ium ring and the phenolate and p-NO₂ O atoms of the picrate anion. In addition, a variety of weak C-HO and - ring interactions between cations and cation-anion neighbors [centroid-centroid distances = 3.597 (1) and 3.848 (10) Å] further consolidate the packing.

Online 9 September 2009

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