Fe7C3 Bouchard J Annales de Chimie 1967 (1967) 353-366 Etude structurale des carbures de manganese _cod_database_code 1008937 _database_code_amcsd 0016801 4.537 6.892 11.913 90 90 90 Pnma atom x y z Fe1 .25 .07 .02 Fe2 0 .07 .81 Fe3 .24 .25 .2 Fe4 .25 .25 .42 Fe5 0 .25 .63 C1 .11 .03 .35 C2 .38 .25 .57