Diimidazolium phthalate monohydrate.
In the title compound, 2C(3)H(5)N(2) (+)·C(8)H(4)O(4) (2-)·H(2)O, the cations, anion and water mol-ecule are connected by N-H⋯O and O-H⋯O hydrogen bonds, forming a three-dimensional network.
Ordered Matter Science Research Center, Southeast University, Nanjing 211189,  People's Republic of China.
Chua-Hua
CH
Yu