%0 Journal Article %T 3-Chloro-4-methylquinolin-2(1H)-one %A Mohamed G. Kassem %A Hazem A. Ghabbour %A Hatem A. Abdel-Aziz %A Hoong-Kun Fun %J Acta Crystallographica Section E %D 2012 %I International Union of Crystallography %R 10.1107/s1600536812009889 %X The title compound, C10H8ClNO, is almost planar (r.m.s. deviation for the 13 non-H atoms = 0.023 ). In the crystal, inversion dimers linked by pairs of N¡ªH...O hydrogen bonds generate R22(8) rings. Weak aromatic ¦Ð¨C¦Ð stacking interactions [centroid¨Ccentroid distance = 3.7622 (12) ] also occur. %U http://scripts.iucr.org/cgi-bin/paper?S1600536812009889