AM_Guanine
Formula: C5 H7 N5 O2
Name: Guanine
Unit cell: 16.51 11.277 3.645 90.0 96.8 90.0 , V=673.86
Space group: P121/N1 (14)

Thewalt U , Bugg C E , Marsh R E , Acta Crystallographica, Section B , 27 (1971) p.2358-2362, The crystal structure of guanine monohydrate, Locality: synthetic