Acta Crystallographica Section E (Jul 2011)
2-Phenyl-1H-imidazol-3-ium hydrogen oxalate
Abstract
In the title molecular salt, C9H9N2+·C2HO4−, the dihedral angle between the aromatic rings of the cation is 17.5 (3)° and the dihedral angle between the –CO2H and –CO2 groups of the anion is 38.6 (2)°. In the crystal, the components interact by way of O—H...O and N—H...O hydrogen bonds.
