data_[Pr4Nd2Sm2]
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 [I-4m2]
_cell_length_a [5.2126]
_cell_length_b [5.2126]
_cell_length_c [10.4485]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [119]
_chemical_formula_structural [Pr2NdSm]
_chemical_formula_sum '[Pr4 Nd2 Sm2]'
_cell_volume [283.8987]
_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  2  0.0000  0.0000  0.0000  1
  Pr  Pr1  2  0.0000  0.5000  0.2500  1
  Nd  Nd2  2  0.0000  0.5000  0.7500  1
  Sm  Sm3  2  0.0000  0.0000  0.5000  1
]