Potassium 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 3 values _database_code_amcsd 0009189 5.247 5.247 5.247 90 90 90 Im3m atom x y z K 0 0 0