data_[Tb24Pm3Bi18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Pm  1.1300  1.8500  1.1100
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [7.7240]
_cell_length_b [7.7240]
_cell_length_c [29.5002]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Tb8PmBi6]
_chemical_formula_sum '[Tb24 Pm3 Bi18]'
_cell_volume [1524.1868]
_cell_formula_units_Z [3]
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  18  0.0014  0.3301  0.1213  1
  Tb  Tb1  6  0.0000  0.0000  0.3335  1
  Pm  Pm2  3  0.0000  0.0000  0.0000  1
  Bi  Bi3  18  0.0008  0.3379  0.9369  1
]