data_[Tm4Tl8Pb8]
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 [Cmcm]
_cell_length_a [4.5713]
_cell_length_b [27.4423]
_cell_length_c [4.6562]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Tm(TlPb)2]
_chemical_formula_sum '[Tm4 Tl8 Pb8]'
_cell_volume [584.1101]
_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  0.0000  0.3476  0.7500  1.0
  Tl  Tl1  4  0.0000  0.0521  0.2500  1.0
  Tl  Tl2  4  0.0000  0.4490  0.2500  1.0
  Pb  Pb3  4  0.0000  0.1461  0.7500  1.0
  Pb  Pb4  4  0.0000  0.2490  0.2500  1.0
]