data_[Tl8Sb8Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tl  1.6200  1.9000  1.3325
  Sb  2.0500  1.4500  0.8300
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.7136]
_cell_length_b [5.4138]
_cell_length_c [10.9733]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.8467]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tl2Sb2Pb]
_chemical_formula_sum '[Tl8 Sb8 Pb4]'
_cell_volume [673.8717]
_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
[
  Tl  Tl0  4  0.0061  0.0000  0.6855  1.0
  Tl  Tl1  4  0.1758  0.0000  0.0767  1.0
  Sb  Sb2  4  0.0452  0.5000  0.8991  1.0
  Sb  Sb3  4  0.1325  0.5000  0.5847  1.0
  Pb  Pb4  4  0.2122  0.5000  0.3515  1.0
]