data_[K2Bi2Pb2O6]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.4657]
_cell_length_b [3.5285]
_cell_length_c [9.5932]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.0531]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KBiPbO3]
_chemical_formula_sum '[K2 Bi2 Pb2 O6]'
_cell_volume [252.5514]
_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
[
  K  K0  2  0.1051  0.2500  0.8457  1
  Bi  Bi1  2  0.3971  0.7500  0.1395  1
  Pb  Pb2  2  0.1971  0.2500  0.4602  1
  O  O3  2  0.1011  0.7500  0.5932  1
  O  O4  2  0.1991  0.2500  0.1456  1
  O  O5  2  0.3794  0.7500  0.9188  1
]