title: 2-Phenyl-imidazolium hemi(benzene-1,4-dicarboxyl-ate) trihydrate.
abstract: The asymmetric unit of the title compound, C(9)H(9)N(2) (+.)0.5C(8)H(4)O(4) (-)·3H(2)O, contains one 2-phenyl-imidazolium cation, half a benzene-1,4-dicarboxyl-ate anion and three water mol-ecules, which are connected by O-H⋯O and N-H⋯O hydrogen bonds into a three-dimensional network.
authors.affiliation: Department of Chemistry, Jilin Normal University, Siping 136000,  People's Republic of China.
authors.forename: Heng-Da
authors.initials: HD
authors.lastname: Li