data_[Ag8Pb4Br20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  Pb  2.3300  1.8000  1.1225
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Fmmm]
_cell_length_a [6.3091]
_cell_length_b [12.9091]
_cell_length_c [13.1088]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [69]
_chemical_formula_structural [Ag2PbBr5]
_chemical_formula_sum '[Ag8 Pb4 Br20]'
_cell_volume [1067.6413]
_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
[
  Ag  Ag0  8  0.0000  0.0000  0.2942  1
  Pb  Pb1  4  0.0000  0.0000  0.0000  1
  Br  Br2  16  0.0000  0.1535  0.1580  1
  Br  Br3  4  0.0000  0.0000  0.5000  1
]