data_[Bi4Pb12O28]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Bi  2.0200  1.6000  1.0350
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [7.8090]
_cell_length_b [11.1159]
_cell_length_c [7.9142]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [BiPb3O7]
_chemical_formula_sum '[Bi4 Pb12 O28]'
_cell_volume [686.9804]
_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
[
  Bi  Bi0  4  0.0000  0.0000  0.0000  1
  Pb  Pb1  8  0.2401  0.2384  0.7500  1
  Pb  Pb2  4  0.0000  0.5000  0.0000  1
  O  O3  16  0.2003  0.1325  0.0287  1
  O  O4  4  0.0000  0.0733  0.7500  1
  O  O5  4  0.0000  0.3386  0.7500  1
  O  O6  4  0.0000  0.3459  0.2500  1
]