Bis(1H-imidazole-κN (3)){2,2′-[propane-1,2-diylbis(nitrilo­methyl­idyne)]diphenolato-κ(4) O,N,N′,O′}iron(III) perchlorate

The title compound, [Fe(C(17)H(16)N(2)O(2))(C(3)H(4)N(2))(2)]ClO(4), consists of monomeric [Fe(salmen)(HIm)(2)](+) cations {salmen is the 2,2′-[propane-1,2-diylbis(nitrilo­methyl­idyne)]diphen­olate dianion and HIm is 1H-imiazole} and perchlorate anions. In the cation, the Fe(3+) ion is octahedrally coordinated by two N atoms and two O atoms from a tetra­dentate salmen anion and two N atoms from two Him mol­ecules. These ligands are coordinated to the iron ion in a direction perpendicular to the [Fe(salmen)](+) coordination plane. The benzene ring planes in the salmen ligands are oriented nearly parallel to one another inter­molecularly [dihedral angle = 6.36 (3)°]. The dihedral angle between the mean planes through the imidazole rings in the cation is 76.9 (2)°. In the crystal, N—H⋯O inter­actions link the mol­ecules into a one-dimensional double chain running along [101] and C—H⋯O inter­actions link the double chains into a two-dimensional network, running parallel to the ac plane.