data_[Ba8Fe4Bi4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  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 [3.6390]
_cell_length_b [14.8110]
_cell_length_c [12.1405]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Ba2FeBiO5]
_chemical_formula_sum '[Ba8 Fe4 Bi4 O20]'
_cell_volume [654.3474]
_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
[
  Ba  Ba0  4  0.0000  0.0930  0.6601  1.0
  Ba  Ba1  4  0.0000  0.1500  0.3358  1.0
  Fe  Fe2  4  0.0000  0.4570  0.4184  1.0
  Bi  Bi3  4  0.0000  0.1995  0.0516  1.0
  O  O4  4  0.0000  0.0152  0.9780  1.0
  O  O5  4  0.0000  0.2736  0.6779  1.0
  O  O6  4  0.0000  0.3279  0.4180  1.0
  O  O7  4  0.0000  0.3388  0.0066  1.0
  O  O8  4  0.0000  0.4932  0.7774  1.0
]