data_[Tb12Pm4Pr2]
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 [P4_2/mnm]
_cell_length_a [8.1968]
_cell_length_b [8.1968]
_cell_length_c [10.4424]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [136]
_chemical_formula_structural [Tb6Pm2Pr]
_chemical_formula_sum '[Tb12 Pm4 Pr2]'
_cell_volume [701.6095]
_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  8  0.2377  0.7623  0.3334  1
  Tb  Tb1  4  0.2361  0.7639  0.0000  1
  Pm  Pm2  4  0.0000  0.0000  0.1674  1
  Pr  Pr3  2  0.0000  0.0000  0.5000  1
]