Acta Crystallographica Section E (Jun 2014)
4-(Furan-2-carbonyl)piperazin-1-ium 3,5-dinitrobenzoate
Abstract
In the cation of the title salt, C9H13N2O2+·C7H3N2O6−, the piperazine ring adopts a slightly distorted chair conformation. Twofold rotational disorder is exhibited by the furan ring in a 0.430 (4):0.570 (4) ratio. In the crystal, N—H...O hydrogen bonds link the ions into chains along [010]. Additional weak C—H...O interactions are observed, leading to a supramolecular layer parallel to (011).