data_[Tm8Tl4Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  Tl  1.6200  1.9000  1.3325
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P2/c]
_cell_length_a [6.2838]
_cell_length_b [6.2865]
_cell_length_c [11.7988]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.5448]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [13]
_chemical_formula_structural [Tm2TlPb]
_chemical_formula_sum '[Tm8 Tl4 Pb4]'
_cell_volume [451.1533]
_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
[
  Tm  Tm0  4  0.1935  0.3757  0.6290  1.0
  Tm  Tm1  4  0.3218  0.1297  0.3661  1.0
  Tl  Tl2  4  0.1605  0.1230  0.0974  1.0
  Pb  Pb3  4  0.3198  0.3665  0.9012  1.0
]