data_[Tl8Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tl  1.6200  1.9000  1.3325
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [13.1929]
_cell_length_b [3.5864]
_cell_length_c [8.3285]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.3511]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Tl2Pb]
_chemical_formula_sum '[Tl8 Pb4]'
_cell_volume [378.1234]
_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  2  0.0494  0.0000  0.5984  1.0
  Tl  Tl1  2  0.2149  0.5000  0.9270  1.0
  Tl  Tl2  2  0.3413  0.0000  0.6804  1.0
  Tl  Tl3  2  0.3798  0.0000  0.2644  1.0
  Pb  Pb4  2  0.0071  0.0000  0.0191  1.0
  Pb  Pb5  2  0.1742  0.5000  0.3441  1.0
]