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ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE, vol.66, 2010 (SCI-Expanded)
The molecule of the title compound, C(23)H(17)NO(2), a Schiff base derived from 2-hydroxy-1-naphthaldehyde, crystallizes in the keto-amine tautomeric form. The dihedral angle between the aniline and hydroxybenzene rings is 77.41 (17)degrees , whereas the planes of the naphthaldehyde and fused aniline benzene rings are nearly coplanar, making a dihedral angle of 8.29 (15)degrees. Intramolecular N-H center dot center dot center dot O hydrogen bonding, a characteristic hydrogen bond for Schiff bases, helps to stabilize the molecular structure. Weak intermolecular C-H center dot center dot center dot pi interactions are present in the crystal structure.