data_[Pr4Nd48Sm8]
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 [Cmme]
_cell_length_a [7.2388]
_cell_length_b [11.7074]
_cell_length_c [25.2393]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [67]
_chemical_formula_structural [Pr(Nd6Sm)2]
_chemical_formula_sum '[Pr4 Nd48 Sm8]'
_cell_volume [2138.9569]
_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
[
  Pr  Pr0  4  0.0000  0.2500  0.0013  1
  Nd  Nd1  8  0.0000  0.0028  0.9242  1
  Nd  Nd2  8  0.0000  0.0247  0.4403  1
  Nd  Nd3  8  0.2296  0.2500  0.5828  1
  Nd  Nd4  8  0.2478  0.2500  0.1304  1
  Nd  Nd5  8  0.2500  0.0000  0.2000  1
  Nd  Nd6  8  0.2500  0.0000  0.3263  1
  Sm  Sm7  4  0.0000  0.2500  0.2733  1
  Sm  Sm8  4  0.0000  0.2500  0.7322  1
]