I4 Sn Dickinson R Journal of the American Chemical Society 45 (1923) 958-962 The crystal structure of tin tetraiodide _cod_database_code 1010610 _database_code_amcsd 0017492 12.23 12.23 12.23 90 90 90 Pa3 atom x y z Sn1 .129 .129 .129 I1 .253 .253 .253 I2 .009 .001 .253