{2,2′-[1,1′-(Ethane-1,2-diyldinitrilo)diethylidyne]diphenolato}bis(pyrrolidine)cobalt(III) perchlorate p-xylene hemisolvate

In the mononuclear title complex, [Co(C18H18N2O2)(C4H9N)2]ClO4·0.5C8H10, the CoIII ion has a slightly distorted octahedral coordination geometry. In the Me–salen ligand, the benzene rings are almost parallel, making a dihedral angle of 0.48 (13)°, but the torsion angle along the central C—C bond is 41.1 (2)°·The pyrrolidine rings are in slightly distorted chair conformations. The N atoms of the pyrrolidine axial ligands are involved in N—H...O hydrogen bonds with the perchlorate anions, and these hydrogen bonds connect the ionic species into infinite chains along the b axis. Some relatively short C—H...π interactions are also present in the crystal structure and C—H...O interactions occur. The guest solvent p-xylene molecule lies on a special position at the inversion centre.

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