Potassium Liu L Journal of Physics and Chemistry of Solids 47 (1986) 1067-1072 Compression and polymorphism of potassium to 400 Kbar Locality: synthetic Sample: fcc at P = 12 GPa _database_code_amcsd 0013228 5.159 5.159 5.159 90 90 90 Fm3m atom x y z K 0 0 0