data_[Pr6Nd8Sm8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Nd  1.1400  1.8500  1.2765
  Sm  1.1700  1.8500  1.2290
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [10.9365]
_cell_length_b [5.8549]
_cell_length_c [12.2305]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Pr3(NdSm)4]
_chemical_formula_sum '[Pr6 Nd8 Sm8]'
_cell_volume [783.1562]
_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  4  0.2949  0.0000  0.4079  1
  Pr  Pr1  2  0.0000  0.0000  0.2543  1
  Nd  Nd2  4  0.2114  0.0000  0.7526  1
  Nd  Nd3  2  0.0000  0.0000  0.9585  1
  Nd  Nd4  2  0.5000  0.0000  0.8875  1
  Sm  Sm5  4  0.3005  0.0000  0.1044  1
  Sm  Sm6  2  0.0000  0.0000  0.5537  1
  Sm  Sm7  2  0.5000  0.0000  0.6146  1
]