Nitratine Paul G L, Pryor A W Acta Crystallographica B28 (1972) 2700-2702 The study of sodium nitrate by neutron diffraction Sample: T = 250 C, refined incorporating curvilinear motion of O atom Locality: synthetic _database_code_amcsd 0009452 5.081 5.081 17.27 90 90 120 R-3c atom x y z occ Na 0 0 0 N 0 0 .25 O1 .2464 0 .25 .934 O2 -.2464 0 .25 .066