data_[Tb12Sb2Te4Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Sb  2.0500  1.4500  0.8300
  Te  2.1000  1.4000  1.2933
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.5846]
_cell_length_b [4.2099]
_cell_length_c [8.5249]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.7727]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb6SbTe2Se3]
_chemical_formula_sum '[Tb12 Sb2 Te4 Se6]'
_cell_volume [647.7994]
_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  0.0074  0.0000  0.7426  1.0
  Tb  Tb1  4  0.1582  0.5000  0.6028  1.0
  Tb  Tb2  4  0.1703  0.5000  0.0620  1.0
  Sb  Sb3  2  0.0000  0.5000  0.0000  1.0
  Te  Te4  4  0.1678  0.0000  0.3359  1.0
  Se  Se5  4  0.1680  0.0000  0.8335  1.0
  Se  Se6  2  0.0000  0.5000  0.5000  1.0
]