%0 Journal Article %T 1-Methyl-1,3-diazinan-2-one %A Ioannis Tiritiris %A Willi Kantlehner %J Acta Crystallographica Section E %D 2012 %I International Union of Crystallography %R 10.1107/s1600536812016522 %X In the crystal structure of the title compound, C5H10N2O, molecules are connected via pairs of strong N¡ªH...O hydrogen bonds into centrosymmetric dimers, which are stacked along the a axis. The molecule is not planar, the dihedral angle between the N/C/N and C/C/C planes being 42.1(1)¡ã. %U http://scripts.iucr.org/cgi-bin/paper?S1600536812016522