Ca3 Fe1.8 Mn1.2 O8 Rodriguez Carvajal J, Vallet Regi M, Gonzalez Calbet J Materials Research Bulletin 24 (1989) 423-430 Perovskite Threefold Superlattices: A Structure Determination of the A3 M3 O8 Phase _cod_database_code 1006024 _database_code_amcsd 0014341 5.4761 11.1506 5.3603 90 90 90 Pcm2_1 atom x y z occ Fe1 .3147 0 .053 Mn1 .258 .3314 0 .6 Fe2 .258 .3314 0 .4 Ca1 .242 .5 .492 Ca2 .2259 .1908 .518 O1 .355 0 .425 O2 .325 .5 0 O3 .177 .147 -.023 O4 -.009 .353 .248 O5 .480 .3038 .287