data_[La20Sm4Al4Cd8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Sm  1.1700  1.8500  1.2290
  Al  1.6100  1.2500  0.6750
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [I4/mcm]
_cell_length_a [7.8671]
_cell_length_b [7.8671]
_cell_length_c [19.2388]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [140]
_chemical_formula_structural [La5SmAlCd2]
_chemical_formula_sum '[La20 Sm4 Al4 Cd8]'
_cell_volume [1190.7290]
_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
[
  La  La0  16  0.2088  0.2912  0.6397  1
  La  La1  4  0.0000  0.0000  0.0000  1
  Sm  Sm2  4  0.0000  0.0000  0.2500  1
  Al  Al3  4  0.0000  0.5000  0.2500  1
  Cd  Cd4  8  0.1199  0.3801  0.0000  1
]