data_[Sr8Fe4Bi4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Fe  1.8300  1.4000  0.8525
  Bi  2.0200  1.6000  1.0350
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [3.5558]
_cell_length_b [14.0818]
_cell_length_c [11.7128]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Sr2FeBiO5]
_chemical_formula_sum '[Sr8 Fe4 Bi4 O20]'
_cell_volume [586.4928]
_cell_formula_units_Z [4]
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
[
  Sr  Sr0  4  0.0000  0.0882  0.6501  1.0
  Sr  Sr1  4  0.0000  0.1586  0.3446  1.0
  Fe  Fe2  4  0.0000  0.4598  0.4081  1.0
  Bi  Bi3  4  0.0000  0.1962  0.0640  1.0
  O  O4  4  0.0000  0.0075  0.9684  1.0
  O  O5  4  0.0000  0.2652  0.6954  1.0
  O  O6  4  0.0000  0.3250  0.4271  1.0
  O  O7  4  0.0000  0.3401  0.0075  1.0
  O  O8  4  0.0000  0.4955  0.7588  1.0
]