data_[Tl10Hg8Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tl  1.6200  1.9000  1.3325
  Hg  2.0000  1.5000  1.2450
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [24.7602]
_cell_length_b [3.3905]
_cell_length_c [8.2846]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.3050]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tl5(Hg2Pb)2]
_chemical_formula_sum '[Tl10 Hg8 Pb4]'
_cell_volume [695.4810]
_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  0.1321  0.0000  0.4183  1
  Tl  Tl1  4  0.1807  0.0000  0.0247  1
  Tl  Tl2  2  0.0000  0.5000  0.0000  1
  Hg  Hg3  4  0.0072  0.0000  0.3263  1
  Hg  Hg4  4  0.1023  0.5000  0.7654  1
  Pb  Pb5  4  0.2289  0.5000  0.6730  1
]