2-[3-(1H-Benzimidazol-2-yl)propyl]-1H-benzimidazol-3-ium 3,5-dicarboxybenzoate–benzene-1,3,5-tricarboxylic acid–water (1/1/1)

The title compound, C17H17N4+·C9H5O6−·C9H6O6·H2O, contains a protonated 2,2′-(1,3-propanediyl)bis(1H-benzimidazole) cation, a deprotonated benzene-1,3,5-tricarboxylic acid anion, a neutral benzene-1,3,5-tricarboxylic acid molecule and a water molecule, which are linked together through N—H...O, O—H...O and weak C—H...O hydrogen bonds into almost double sheets parallel to (4overline{4}overline{1}). These hydrogen-bonded sheets are packed in the crystal with the formation of centrosymmetric voids of 25.5 Å3, which are filled by the water molecules.

Abstract licence: CC BY

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