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organic compounds
The title compound, C17H12Cl2N2O, has a twisted conformation with the following angles between the three planes in the molecule: 86.0 (4)° between the two p-chlorophenyl groups (planes 1 and 2), 85.0 (4)° between plane 1 and the pyrimidine ring (plane 3), and 90.5 (4)° between planes 2 and 3. There is an intermolecular hydrogen bond [ON 2.847 (4) Å and O-HN 161 (5)°].