Abstract
The crystal structure of 4-phenylquinolin-2-(1H)-one (C15H11NO) is determined by X-ray diffraction. The compound crystallizes in the orthorhombic crystal system (space group Pbca) with the unit cell parameters a = 7.382(2) A, b = 21.795(3) A, c = 14.066(5) A, and Z = 8. The structure is solved by direct methods and refined to an R-value of 0.0398 for 1360 observed reflections [F0 > 4σ (F0)]. The quinoline moiety and the substituted phenyl ring are nearly planar. The dihedral angle between these two moieties is 64.65(6)°. The crystal structure is stabilized by two intermolecular N-H⋯O and C-H⋯O interactions.
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