Potassium Wyckoff R W G Crystal Structures 1 (1963) 7-83 Second edition. Interscience Publishers, New York, New York Sample at T = 5 K Body centered cubic, bcc, structure _database_code_amcsd 0011217 5.225 5.225 5.225 90 90 90 Im3m atom x y z K 0 0 0