data_global
_amcsd_formula_title 'Bi1.77 Ca0.2 Fe2 O10 Sr3.8'
loop_
_publ_author_name
'Hervieu M'
'Pelloquin D'
'Michel C'
'Caldes M'
'Raveau B'
_journal_name_full 'Journal of Solid State Chemistry'
_journal_volume 118 
_journal_year 1995
_journal_page_first 227
_journal_page_last 240
_publ_section_title
;
 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
_chemical_formula_sum 'Bi.885 Sr1.9 Ca.1 Fe O5'
_cell_length_a 5.414
_cell_length_b 5.414
_cell_length_c 18.52399
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 542.964
_exptl_crystal_density_diffrn      6.010
_symmetry_space_group_name_H-M 'C m 2 a'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  '1/2-x,y,z'
  '-x,1/2+y,z'
  '1/2+x,y,-z'
  '+x,1/2+y,-z'
  '-x,y,-z'
  '1/2-x,1/2+y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
Bi1   0.25000   0.00000   0.41850   0.88500
Sr1   0.25000   0.53500   0.26520   0.90000
Ca1   0.25000   0.53500   0.26520   0.10000
Sr2   0.25000   0.50000   0.06970   1.00000
Fe1   0.25000   0.00000   0.16060   1.00000
O1   0.25000   0.00000   0.06000   1.00000
O2   0.00000   0.25000   0.16150   1.00000
O3   0.25000   0.00000   0.29700   1.00000
O4   0.38100   0.63100   0.39200   0.50000