title: Diaqua-bis-(5-carb-oxy-1H-imidazole-4-carboxyl-ato-κN,O)iron(II).
abstract: In the title compound, [Fe(C(5)H(3)N(2)O(4))(2)(H(2)O)(2)], the Fe(II) ion lies on an inversion centre and is coordinated by two N and two O atoms from two 5-carb-oxy-1H-imidazole-4-carboxyl-ate ligands and two water mol-ecules in a distorted octa-hedral geometry. An intra-molecular O-H⋯O hydrogen bond occurs. In the crystal, inter-molecular N-H⋯O and O-H⋯O hydrogen bonds form a three-dimensional network, which consolidates the packing.
authors.forename: Chao-Jun
authors.initials: CJ
authors.lastname: Du
authors.forename: Xing-Hua
authors.initials: XH
authors.lastname: Song
authors.forename: Li-Sheng
authors.initials: LS
authors.lastname: Wang
authors.forename: Chao-Ling
authors.initials: CL
authors.lastname: Du