Acta Crystallographica Section E (Dec 2011)
6-Bromo-2-(3-phenylallylidene)-2,3,4,9-tetrahydro-1H-carbazol-1-one
Abstract
Molecules of the title compound, C21H16BrNO, are linked through pairs of N—H...O intermolecular hydrogen bonds into centrosymmetric R22(10) dimers. One of the C atoms of the cyclohex-2-enone ring is disordered with refined occupancies of 0.61 (2) and 0.39 (2).