data_[Tl2Ga2Pb2Br8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tl  1.6200  1.9000  1.3325
  Ga  1.8100  1.3000  0.7600
  Pb  2.3300  1.8000  1.1225
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.1375]
_cell_length_b [7.3248]
_cell_length_c [10.9967]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.0016]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [TlGaPbBr4]
_chemical_formula_sum '[Tl2 Ga2 Pb2 Br8]'
_cell_volume [490.6834]
_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
[
  Tl  Tl0  2  0.2171  0.2500  0.0608  1.0
  Ga  Ga1  2  0.0296  0.7500  0.5722  1.0
  Pb  Pb2  2  0.2528  0.7500  0.3331  1.0
  Br  Br3  4  0.1115  0.0031  0.7463  1.0
  Br  Br4  2  0.3066  0.7500  0.0648  1.0
  Br  Br5  2  0.3902  0.2500  0.4000  1.0
]