data_[Pm24Pr64Sm28]
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
  Sm  1.1700  1.8500  1.2290
]
_symmetry_space_group_name_H-M [Fm-3m]
_cell_length_a [16.2386]
_cell_length_b [16.2386]
_cell_length_c [16.2386]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [225]
_chemical_formula_structural [Pm6Pr16Sm7]
_chemical_formula_sum '[Pm24 Pr64 Sm28]'
_cell_volume [4281.9762]
_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  32  0.1260  0.1260  0.8740  1
  Pr  Pr1  32  0.1510  0.1510  0.3490  1
  Pm  Pm2  24  0.0000  0.0000  0.2689  1
  Sm  Sm3  24  0.0000  0.2500  0.2500  1
  Sm  Sm4  4  0.0000  0.0000  0.0000  1
]