Cl4 K2 O2 Os Hoard J, Grenko J Zeitschrift fur Kristallographie 87 (1934) 100-109 The crystal structure of potassium osmyl chloride K2 Os O2 Cl4 _cod_database_code 1010629 _database_code_amcsd 0017511 6.99 6.99 8.75 90 90 90 I4/mmm atom x y z Os1 0 0 0 O1 0 0 .212 K1 0 .5 .25 Cl1 .23 .230 0