data_[Tb6Bi2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.6072]
_cell_length_b [4.0760]
_cell_length_c [9.5674]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.3444]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Tb3Bi]
_chemical_formula_sum '[Tb6 Bi2]'
_cell_volume [253.4741]
_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  2  0.0927  0.7500  0.8729  1
  Tb  Tb1  2  0.2285  0.7500  0.4074  1
  Tb  Tb2  2  0.4091  0.2500  0.1377  1
  Bi  Bi3  2  0.2862  0.2500  0.6605  1
]