data_[Tl6Sn8Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tl  1.6200  1.9000  1.3325
  Sn  1.9600  1.4500  0.8300
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.5249]
_cell_length_b [4.5215]
_cell_length_c [8.0812]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.8942]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tl3(Sn2Pb)2]
_chemical_formula_sum '[Tl6 Sn8 Pb4]'
_cell_volume [539.8316]
_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  4  0.0524  0.5000  0.3434  1
  Tl  Tl1  2  0.0000  0.0000  0.0000  1
  Sn  Sn2  4  0.1227  0.0000  0.6858  1
  Sn  Sn3  4  0.1718  0.5000  0.9899  1
  Pb  Pb4  4  0.2214  0.0000  0.3299  1
]