Nitratine Paul G L, Pryor A W Acta Crystallographica B28 (1972) 2700-2702 The study of sodium nitrate by neutron diffraction Sample: T = 268 C, refined incorporating curvilinear motion of O atom Locality: synthetic _database_code_amcsd 0009453 5.082 5.082 17.31 90 90 120 R-3c atom x y z occ Na 0 0 0 N 0 0 .25 O1 .2477 0 .25 .794 O2 -.2477 0 .25 .206