%0 Journal Article %T 3,3,5,5-Tetramethyl-r-2,c-6-diphenylpiperidin-4-one %A C. Govindaraju %A R. Valliappan %A V. Sundari %J Acta Crystallographica Section E %D 2012 %I International Union of Crystallography %R 10.1107/s1600536812018983 %X The piperidone ring of the title compound, C21H25NO, adopts a chair conformation with the two phenyl groups equatorially oriented and cis to each other. In the crystal, molecules are linked by weak N¡ªH...O hydrogen bonds, forming chains parallel to [100]. %U http://scripts.iucr.org/cgi-bin/paper?S1600536812018983