data_[Ba8Sr4Pb4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Sr  0.9500  2.0000  1.3200
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [3.7936]
_cell_length_b [14.9335]
_cell_length_c [11.8923]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Ba2SrPbO5]
_chemical_formula_sum '[Ba8 Sr4 Pb4 O20]'
_cell_volume [673.7099]
_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  0.1024  0.6899  1.0
  Ba  Ba1  4  0.0000  0.1493  0.2881  1.0
  Sr  Sr2  4  0.0000  0.2213  0.0157  1.0
  Pb  Pb3  4  0.0000  0.4727  0.4531  1.0
  O  O4  4  0.0000  0.0514  0.0443  1.0
  O  O5  4  0.0000  0.2746  0.6607  1.0
  O  O6  4  0.0000  0.3333  0.3865  1.0
  O  O7  4  0.0000  0.3868  0.0044  1.0
  O  O8  4  0.0000  0.4856  0.7812  1.0
]