data_[Pr6Nd2Sm8]
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 [Pmn2_1]
_cell_length_a [11.9894]
_cell_length_b [7.3471]
_cell_length_c [6.4022]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [Pr3NdSm4]
_chemical_formula_sum '[Pr6 Nd2 Sm8]'
_cell_volume [563.9567]
_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  0.2498  0.3731  0.0176  1.0
  Pr  Pr1  2  0.0000  0.3729  0.3536  1.0
  Nd  Nd2  2  0.0000  0.6279  0.8534  1.0
  Sm  Sm3  4  0.2497  0.8776  0.0208  1.0
  Sm  Sm4  2  0.0000  0.1227  0.8506  1.0
  Sm  Sm5  2  0.0000  0.8771  0.3504  1.0
]