data_[Rb8Tl2Pb6Br24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tl  1.6200  1.9000  1.3325
  Pb  2.3300  1.8000  1.1225
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Im-3m]
_cell_length_a [11.8797]
_cell_length_b [11.8797]
_cell_length_c [11.8797]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [229]
_chemical_formula_structural [Rb4Tl(PbBr4)3]
_chemical_formula_sum '[Rb8 Tl2 Pb6 Br24]'
_cell_volume [1676.5420]
_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
[
  Rb  Rb0  8  0.2500  0.2500  0.2500  1
  Tl  Tl1  2  0.0000  0.0000  0.0000  1
  Pb  Pb2  6  0.0000  0.0000  0.5000  1
  Br  Br3  12  0.0000  0.0000  0.2512  1
  Br  Br4  12  0.0000  0.2500  0.5000  1
]