2,4-Diphenyl-6-trifluoro­methyl-2,3-dihydro-1H,5H-pyrrolo­[3,4-c]pyrrole-1,3-dione

The asymmetric unit of the title compound, C₁₉H₁₁F₃N₂O₂, contains two crystallographically unique mol­ecules which differ in the rotation of a phenyl ring and a –CF₃ substituent. The dihedral angles involving the pyrrole ring and the attached phenyl ring are 62.82 (8) and 71.54 (7)° in the two molecules. The difference in the rotation of the CF₃ groups with respect to the pyrrolo rings to which they are attached is 23.5(1)°. For one mol­ecule, there is a close contact between an H atom and the centroid of the phenyl ring of an adjacent mol­ecule (2.572 Å). A similar contact is lacking in the second mol­ecule. In the crystal, N—H...O inter­actions connect adjacent mol­ecules into a chain normal to (01). Crystallographically unique mol­ecules alternate along the hydrogen-bonded chains.