data_[Tm8Tl12Pb4]
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 [C2/m]
_cell_length_a [14.1330]
_cell_length_b [4.6653]
_cell_length_c [11.2636]
_cell_angle_alpha [90.0000]
_cell_angle_beta [113.8766]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tm2Tl3Pb]
_chemical_formula_sum '[Tm8 Tl12 Pb4]'
_cell_volume [679.1102]
_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  0.0110  0.5000  0.8490  1
  Tm  Tm1  4  0.2243  0.0000  0.8616  1
  Tl  Tl2  4  0.0384  0.0000  0.3744  1
  Tl  Tl3  4  0.1228  0.5000  0.6269  1
  Tl  Tl4  4  0.2143  0.5000  0.3884  1
  Pb  Pb5  4  0.1208  0.0000  0.0705  1
]