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The asymmetric unit of the title compound, C22H20N2, contains two crystallographically independent molecules in which the planar benzimidazole ring systems are oriented with respect to the adjacent tolyl rings at dihedral angles of 47.08 (8)/76.85 (8) and 39.52 (9)/87.49 (9)°, while the dihedral angles between the tolyl rings are 73.99 (3) and 81.51 (9)°. In the crystal structure, pairs of intermolecular C—H...N interactions link one of the asymmetric molecules into centrosymmetric dimers through R22(8) ring motifs.