Acta Crystallographica Section E

Volume 68, Part 3 (March 2012)

organic compounds

 

(Z)-4-(2-Hydroxybenzylidene)-1-methyl-2-phenyl-1H-imidazol-5(4H)-one

M.-J. Chang, H.-Y. Tsai, T.-C. Fang, M.-H. Luo and K.-Y. Chen

Abstract: In the title compound, C₁₇H₁₄N₂O₂, the asymmetric unit comprises two molecules that are comformationally similar [the dihedral angles between the phenyl rings in each are 46.35 (2) and 48.04 (3)°], with the conformation stabilized by intramolecular O-HN hydrogen bonds, which generate S(7) rings. In the crystal, inversion-related molecules are linked by pairs of weak C-HO hydrogen bonds, forming dimers with an R₂²(16) graph-set motif. Weak inter-ring - stacking is observed in the structure, the shortest centroid-to-centroid distance being 3.7480 (13) Å.

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