data_[Tb4Sn2Te8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Sn  1.9600  1.4500  0.8300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.6733]
_cell_length_b [4.4273]
_cell_length_c [7.6861]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.7635]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb2SnTe4]
_chemical_formula_sum '[Tb4 Sn2 Te8]'
_cell_volume [510.9748]
_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  0.2382  0.5000  0.7236  1.0
  Sn  Sn1  2  0.0000  0.0000  0.0000  1.0
  Te  Te2  4  0.1257  0.0000  0.4553  1.0
  Te  Te3  4  0.1382  0.5000  0.9841  1.0
]