%0 Journal Article %T 1-[3-(4-Chlorophenyl)-6-methyl-1,6-dihydro-1,2,4,5-tetrazin-1-yl]ethanone %A Feng Xu %A Zhenzhen Yang %A Junrong Jiang %A Lei Shi %J Acta Crystallographica Section E %D 2010 %I International Union of Crystallography %R 10.1107/s1600536810037839 %X In the title compound, C11H11ClN4O, the tetrazine ring adopts a non-symmetrical boat conformation. The crystal packing exhibits relatively short intermolecular C...N contacts of 3.118 (3) . %U http://scripts.iucr.org/cgi-bin/paper?S1600536810037839