4-(4-Carboxybenzyl)-1-methylpiperazin-1-ium picrate
- Li, Hongqi
- Hakim Al-arique, Q. N. M.
- Yathirajan, H. S.
- Narayana, B.
- Ramesha, A. R.
Publication date
March 2009
DOI Publisher
International Union of Crystallography (IUCr)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
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