Sodium Barrett C S Acta Crystallographica 9 (1956) 671-677 X-ray study of the alkali metals at low temperatures Locality: synthetic Sample: at T = 78 K Note: lattice parameters are average of 4 values _database_code_amcsd 0009184 4.235 4.235 4.235 90 90 90 Im3m atom x y z Na 0 0 0