data_[La6Pm8Sm8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Pm  1.1300  1.8500  1.1100
  Sm  1.1700  1.8500  1.2290
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.6444]
_cell_length_b [9.6013]
_cell_length_c [22.4990]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [La3(PmSm)4]
_chemical_formula_sum '[La6 Pm8 Sm8]'
_cell_volume [787.2613]
_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
[
  La  La0  4  0.0000  0.0000  0.1092  1
  La  La1  2  0.0000  0.5000  0.0000  1
  Pm  Pm2  8  0.0000  0.1777  0.3535  1
  Sm  Sm3  4  0.0000  0.3151  0.5000  1
  Sm  Sm4  4  0.0000  0.5000  0.2586  1
]