| Summary: | The asymmetric unit of the title compound, C28H20N2O2·0.5C2H5OH, contains two independent molecules of 1,1′-[o-phenylenebis(nitrilomethylidyne)]di-2-naphthol, denoted A and B, and one ethanol solvent molecule. The hydroxy groups are involved in intramolecular O—H...N hydrogen bonds influencing the molecular conformations, which are slightly different in molecules A and B, where the two bicyclic systems form dihedral angles of 51.93 (9) and 58.52 (9)°, respectively. In the crystal structure, a number of short intermolecular C...C contacts with distances of less than 3.5 Å suggest the existence of π–π interactions, which contribute to the stability of the crystal packing.
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