data_[Pm10Pr12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Pr  1.1300  1.8500  1.0600
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [5.7508]
_cell_length_b [8.4346]
_cell_length_c [16.2478]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Pm5Pr6]
_chemical_formula_sum '[Pm10 Pr12]'
_cell_volume [788.1145]
_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
[
  Pr  Pr0  8  0.0000  0.2061  0.1380  1
  Pm  Pm1  4  0.0000  0.0000  0.3399  1
  Pr  Pr2  4  0.0000  0.2932  0.5000  1
  Pm  Pm3  4  0.0000  0.5000  0.2989  1
  Pm  Pm4  2  0.0000  0.5000  0.0000  1
]