data_[Bi2Pb2O4F2]
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
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.6971]
_cell_length_b [3.8939]
_cell_length_c [7.8160]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.9678]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [BiPbO2F]
_chemical_formula_sum '[Bi2 Pb2 O4 F2]'
_cell_volume [190.3254]
_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
[
  Bi  Bi0  2  0.2511  0.2500  0.9470  1.0
  Pb  Pb1  2  0.2497  0.7500  0.5309  1.0
  O  O2  2  0.1242  0.2500  0.6302  1.0
  O  O3  2  0.3892  0.7500  0.8709  1.0
  F  F4  2  0.1734  0.7500  0.1410  1.0
]