data_[K16Pb4Br4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Pb  2.3300  1.8000  1.1225
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [F-43m]
_cell_length_a [10.3982]
_cell_length_b [10.3982]
_cell_length_c [10.3982]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [216]
_chemical_formula_structural [K4PbBr]
_chemical_formula_sum '[K16 Pb4 Br4]'
_cell_volume [1124.2954]
_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  16  0.1249  0.1249  0.6249  1
  Pb  Pb1  4  0.2500  0.2500  0.2500  1
  Br  Br2  4  0.0000  0.0000  0.0000  1
]