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: bcc at P = 2.1 GPa _database_code_amcsd 0013217 4.725 4.725 4.725 90 90 90 Im3m atom x y z K 0 0 0