data_[K8Bi12Pb20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Bi  2.0200  1.6000  1.0350
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [14.1090]
_cell_length_b [14.9902]
_cell_length_c [7.5947]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [K2Bi3Pb5]
_chemical_formula_sum '[K8 Bi12 Pb20]'
_cell_volume [1606.2576]
_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
[
  K  K0  8  0.2446  0.1230  0.0000  1.0
  Bi  Bi1  8  0.1408  0.3769  0.0000  1.0
  Bi  Bi2  4  0.0000  0.0000  0.2500  1.0
  Pb  Pb3  8  0.0000  0.2558  0.2500  1.0
  Pb  Pb4  8  0.1300  0.1264  0.5000  1.0
  Pb  Pb5  4  0.0000  0.5000  0.2500  1.0
]