Acta Cryst. (2012). E68, o2020
[ doi:10.1107/S1600536812024762 ]

3-[(E)-Benzylidene]indolin-2-one

A. M. Asiri, M. E. M. Zayed, S. W. Ng and E. R. T. Tiekink

Abstract: In the title indolin-2-one derivative, C₁₅H₁₁NO, the phenyl ring and the oxoindoline fused-ring system (r.m.s. deviation = 0.011 Å) are aligned at 48.52 (6)°. In the crystal, inversion-related molecules form an N-HO hydrogen-bonded dimer via an eight-membered {HNCO}₂ synthon. The dimeric aggregates are linked into a three-dimensional architecture via C-HO and - interactions between the five- and six-membered rings of the fused ring system, with an inter-centroid distance of 3.4538 (8) Å.

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