Ba Ca Fe4 O8 Herrmann D, Bacmann M Materials Research Bulletin 6 (1971) 725-736 Structure nucleaire de Ba Ca Fe4 O8 _cod_database_code 1008057 _database_code_amcsd 0015999 5.407 5.407 7.703 90 90 120 P-31m atom x y z Ba1 0 0 0 Ca1 0 0 .5 Fe1 1/3 2/3 .2364 O1 1/3 2/3 0 O2 .3297 0 .3092