data_[Tb12Pm8Pr12]
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 [Cmcm]
_cell_length_a [3.5749]
_cell_length_b [17.1106]
_cell_length_c [18.0392]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Tb3Pm2Pr3]
_chemical_formula_sum '[Tb12 Pm8 Pr12]'
_cell_volume [1103.4252]
_cell_formula_units_Z [4]
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  0.0000  0.0162  0.5967  1
  Tb  Tb1  4  0.0000  0.3750  0.7500  1
  Pm  Pm2  8  0.0000  0.2769  0.1505  1
  Pr  Pr3  8  0.0000  0.3489  0.5277  1
  Pr  Pr4  4  0.0000  0.4345  0.2500  1
]