data_[Ba8Pb6O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [4.3717]
_cell_length_b [4.3717]
_cell_length_c [30.7755]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Ba4Pb3O10]
_chemical_formula_sum '[Ba8 Pb6 O20]'
_cell_volume [588.1689]
_cell_formula_units_Z [2]
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  0.0000  0.0695  1.0
  Ba  Ba1  4  0.0000  0.0000  0.2027  1.0
  Pb  Pb2  4  0.0000  0.0000  0.3582  1.0
  Pb  Pb3  2  0.0000  0.0000  0.5000  1.0
  O  O4  8  0.0000  0.5000  0.1404  1.0
  O  O5  4  0.0000  0.0000  0.2875  1.0
  O  O6  4  0.0000  0.0000  0.4292  1.0
  O  O7  4  0.0000  0.5000  0.0000  1.0
]