The structure of the title compound, C11H8ClNO2, (I), comprises a twisted m
olecule with the dihedral angle between the two rings being 49.9 (2)degrees
. Several C-H . . .X short contacts exist to both O atoms, but not to the C
l atom. The resultant structure packs in a noncentrosymmetric space group (
Pna2(1)) and the bulk material exhibits a second harmonic signal of I/ I-ur
ea = 0.09.