Bi1.77 Ca0.2 Fe2 O10 Sr3.8 Hervieu M, Pelloquin D, Michel C, Caldes M, Raveau B Journal of Solid State Chemistry 118 (1995) 227-240 The ferrites Bi(n+1) Sr2(n+2) Ba(n-1) Fe(n+1) O6(n+4): a series of intergrowths of the 2201 and 0201 structures _cod_database_code 1001693 _database_code_amcsd 0013872 5.414 5.414 18.52399 90 90 90 Cm2a atom x y z occ Bi1 .25 0 .4185 .885 Sr1 .25 .535 .2652 .900 Ca1 .25 .535 .2652 .100 Sr2 .25 .5 .0697 Fe1 .25 0 .1606 O1 .25 0 .060 O2 0 .25 .1615 O3 .25 0 .297 O4 .381 .631 .392 .5