data_[Tm12Te8Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  Te  2.1000  1.4000  1.2933
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [15.4590]
_cell_length_b [9.1576]
_cell_length_c [6.0770]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Tm3Te2Pb]
_chemical_formula_sum '[Tm12 Te8 Pb4]'
_cell_volume [860.3104]
_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  8  0.1661  0.3334  0.2500  1
  Tm  Tm1  4  0.0000  0.1620  0.7500  1
  Te  Te2  8  0.1681  0.3385  0.7500  1
  Pb  Pb3  4  0.0000  0.1691  0.2500  1
]