data_[Tb6Pm16Pr2]
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
  Pr  1.1300  1.8500  1.0600
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [11.0180]
_cell_length_b [11.7058]
_cell_length_c [6.3707]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Tb3Pm8Pr]
_chemical_formula_sum '[Tb6 Pm16 Pr2]'
_cell_volume [821.6672]
_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  0.0000  0.2513  0.5017  1
  Tb  Tb1  2  0.0000  0.5000  0.8303  1
  Pm  Pm2  8  0.1663  0.2514  0.0007  1
  Pm  Pm3  4  0.1647  0.5000  0.3343  1
  Pm  Pm4  4  0.1663  0.0000  0.3328  1
  Pr  Pr5  2  0.0000  0.0000  0.8296  1
]