data_[Pb8Br4O4F4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pb  2.3300  1.8000  1.1225
  Br  2.9600  1.1500  0.8825
  O  3.4400  0.6000  1.2600
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Cmme]
_cell_length_a [5.9103]
_cell_length_b [13.1875]
_cell_length_c [5.9385]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [67]
_chemical_formula_structural [Pb2BrOF]
_chemical_formula_sum '[Pb8 Br4 O4 F4]'
_cell_volume [462.8567]
_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
[
  Pb  Pb0  8  0.0000  0.0985  0.2191  1.0
  Br  Br1  4  0.0000  0.2500  0.7709  1.0
  O  O2  4  0.2500  0.0000  0.0000  1.0
  F  F3  4  0.2500  0.0000  0.5000  1.0
]