Al5 Co2 Bradley A Zeitschrift fur Kristallographie 99 (1938) 480-487 The Crystal Structure of Co2 Al5 _cod_database_code 1010445 _database_code_amcsd 0017366 7.656 7.656 7.539 90 90 120 P6_3/mmc atom x y z Al1 0 0 0 Al2 .934 .467 .75 Al3 .392 .196 .061 Co1 2/3 1/3 .25 Co2 .256 .128 .75