Abstract
The title compound, C13H19N2O2 +·C6H2N3O7 −, is a salt obtained by cocrystallization of 4-[(4-methylpiperazin-1-yl)methyl]benzoic acid and picric acid. The cations adopt an ‘L-shaped’ conformation and are linked into chains along [010] by O—H⋯N hydrogen bonds. The NH group of each piperazinium ring forms a hydrogen bond to the phenolate O atom of a picrate anion, and the picrate anions form face-to-face contacts with an interplanar separation of 3.023 (1) Å.
Highlights
The title compound, C13H19N2O2+ÁC6H2N3O7À, is a salt obtained by cocrystallization of 4-[(4-methylpiperazin-1yl)methyl]benzoic acid and picric acid
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: BI2341)
Symmetry codes: (i) x, y+1, z; (ii) −x+1, −y+2, −z+1
Summary
Key indicators: single-crystal X-ray study; T = 296 K; mean (C–C) = 0.003 A; R factor = 0.040; wR factor = 0.104; data-to-parameter ratio = 11.7. The title compound, C13H19N2O2+ÁC6H2N3O7À, is a salt obtained by cocrystallization of 4-[(4-methylpiperazin-1yl)methyl]benzoic acid and picric acid. The cations adopt an ‘L-shaped’ conformation and are linked into chains along [010] by O—HÁ Á ÁN hydrogen bonds. The NH group of each piperazinium ring forms a hydrogen bond to the phenolate O atom of a picrate anion, and the picrate anions form face-toface contacts with an interplanar separation of 3.023 (1) A. Related literature For general background, see: Druker et al (2001). See: Swamy et al (2007); Bindya et al (2007); Sarojini et al (2007); Wang & Jia (2008)
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