title: 4-Phenyl-1H-1,5-benzodiazepin-2(3H)-one.
abstract: In the title compound, C15H12N2O, the phenyl ring makes a dihedral angle of 32.45 (9)° with the benzene ring of the 1,5-benzodiazepin-2-one unit. The seven-membered ring adopts a boat conformation with the methyl-ene group as the prow and the fused benzene-ring C atoms as the stern. In the crystal, inversion dimers linked by pairs of N-H⋯O hydrogen bonds generate R2(2)(8) loops. The dimers are further linked by C-H⋯O hydrogen bonds, so forming a column along the a-axis direction.
authors.affiliation: Department of Physics, Faculty of Sciences, Erciyes University, 38039 Kayseri, Turkey.
authors.forename: Mehmet
authors.initials: M
authors.lastname: Akkurt
authors.forename: Alan R
authors.initials: AR
authors.lastname: Kennedy
authors.forename: Sabry H H
authors.initials: SH
authors.lastname: Younes
authors.forename: Shaaban K
authors.initials: SK
authors.lastname: Mohamed
authors.forename: Antar A
authors.initials: AA
authors.lastname: Abdelhamid