data_[Tb4Si1Te2Se1]
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
  Te  2.1000  1.4000  1.2933
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.2849]
_cell_length_b [4.2266]
_cell_length_c [7.5057]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.8998]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Tb4SiTe2Se]
_chemical_formula_sum '[Tb4 Si1 Te2 Se1]'
_cell_volume [218.6428]
_cell_formula_units_Z [1]
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  2  0.2505  0.5000  0.2195  1.0
  Tb  Tb1  2  0.2691  0.0000  0.7816  1.0
  Si  Si2  1  0.5000  0.5000  0.0000  1.0
  Te  Te3  1  0.0000  0.5000  0.5000  1.0
  Te  Te4  1  0.5000  0.0000  0.5000  1.0
  Se  Se5  1  0.0000  0.0000  0.0000  1.0
]