data_[Tb12Si4Sb2Te6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Si  1.9000  1.1000  0.5400
  Sb  2.0500  1.4500  0.8300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.8667]
_cell_length_b [4.2931]
_cell_length_c [8.7308]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.9517]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb6Si2SbTe3]
_chemical_formula_sum '[Tb12 Si4 Sb2 Te6]'
_cell_volume [686.3040]
_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
[
  Tb  Tb0  4  0.0116  0.0000  0.2514  1.0
  Tb  Tb1  4  0.1679  0.5000  0.1108  1.0
  Tb  Tb2  4  0.1741  0.5000  0.5671  1.0
  Si  Si3  4  0.1680  0.0000  0.3358  1.0
  Sb  Sb4  2  0.0000  0.5000  0.0000  1.0
  Te  Te5  4  0.1631  0.0000  0.8341  1.0
  Te  Te6  2  0.0000  0.5000  0.5000  1.0
]