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In the complex cation of title compound, [Fe(C 56 H 52 N 4 )(C 5 H 8 N 2 ) 2 ]ClO 4 ·1.5C 6 H 5 Cl, the iron III  atom is coordinated in a distorted octahedral manner by four pyrrole N atoms of the porphyrin ring system in the equatorial plane, and by two N atoms of the 1-ethylimidazole ligands in the axial sites. A disordered perchlorate anion and one and a half chlorobenzene solvent molecules are also present. The cationic complex exhibits a highly ruffled porphyrin core. The average Fe—N p  (N p  is a porphyrin N atom) bond length is 1.988 (5), and the axial Fe—N Im  (N Im  is an imidazole N atom) bond lengths are 1.962 (3) and 1.976 (3) Å. The two 1-ethylimidazole ligands are inclined to each other by a dihedral angle of 68.62 (16)°. The dihedral angles between the 1-ethylimidazole planes and the planes of the closest Fe—N p  vector are 28.52 (18) and 43.57 (13)°. Intermolecular C—H...Cl interactions are observed.

iucrdata

Crystal structure of bis(1-ethyl-1H-imidazole-κN 3)(meso-tetramesitylporphyrinato-κ4 N,N′,N′′,N′′′)iron(III) perchlorate chlorobenzene sesquisolvate