%0 Journal Article %T 2-Chloro-7-methyl-12-phenyldibenzo[b,g][1,8]naphthyridin-11(6H)-one %A K. N. Vennila %A K. Prabha %A M. Manoj %A K. J. Rajendra Prasad %J Acta Crystallographica Section E %D 2010 %I International Union of Crystallography %R 10.1107/s160053681002430x %X In the title compound, C23H15ClN2O, the fused ring system is planar: the deviation of all the non-H atoms from the plane through all four fused rings is less than 0.31 . The plane of the phenyl ring is inclined at 71.78 (5)¡ã to the mean plane of the 1,8-naphthrydine ring system. The crystal structure is devoid of any classical hydrogen bonds but ¦Ð¨C¦Ð interactions are present. %U http://scripts.iucr.org/cgi-bin/paper?S160053681002430X