Nitratine Paul G L, Pryor A W Acta Crystallographica B28 (1972) 2700-2702 The study of sodium nitrate by neutron diffraction Sample: T = 290 C, refined incorporating curvilinear motion of O atom Locality: synthetic _database_code_amcsd 0009454 5.084 5.084 8.175 90 90 120 R-3m atom x y z occ Na 0 0 0 N 0 0 .5 O1 .2435 0 .5 .25 O2 .2559 0 .5 .25