Bi2Fe4O9
Niizeki N, Wachi M
Zeitschrift fur Kristallographie 127 (1968) 173-187
The crystal structures of Bi2Mn4O10, Bi2Al4O9 and Bi2Fe4O9
_database_code_amcsd 0010664
7.905 8.428 6.005 90 90 90 Pbam
atom     x     y    z Biso
Bi   .1761 .1715    0 1.12
Fe1     .5     0 .257 1.15
Fe2   .351  .334   .5 1.25
O1       0     0   .5  1.5
O2    .373  .198 .243  1.0
O3    .137  .418   .5  1.2
O4    .143  .415    0  1.6