Acta Crystallographica Section E (Jul 2008)
1-(2-Chlorobenzoyl)-3-[4-(trifluoromethoxy)phenyl]urea
Abstract
The title compound, C15H10ClF3N2O3, is considered to belong to a fourth generation of insecticides with properties such as high selectivity, low acute toxicity for mammals and high biological activity. The dihedral angle between the two benzene rings is 59.3 (2)°. Intramolecular C—H...O and N—H...O hydrogen bonds are observed. Intermolecular N—H...O hydrogen bonding generates a centrosymmetric dimer. The F atoms are disordered over two positions; the site occupancy factors are 0.52 and 0.48.