data_[Tb14Pm4Pr4]
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 [C2/m]
_cell_length_a [11.3569]
_cell_length_b [11.6490]
_cell_length_c [6.1168]
_cell_angle_alpha [90.0000]
_cell_angle_beta [113.3049]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb7(PmPr)2]
_chemical_formula_sum '[Tb14 Pm4 Pr4]'
_cell_volume [743.2024]
_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  0.1725  0.2367  0.1700  1
  Tb  Tb1  4  0.0911  0.5000  0.8052  1
  Tb  Tb2  2  0.0000  0.0000  0.0000  1
  Pm  Pm3  4  0.0000  0.2180  0.5000  1
  Pr  Pr4  4  0.2343  0.0000  0.5879  1
]