data_[Sm24Cu12Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Cu  1.9000  1.3500  0.8200
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Im-3]
_cell_length_a [10.0626]
_cell_length_b [10.0626]
_cell_length_c [10.0626]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [204]
_chemical_formula_structural [Sm12Cu6Pb]
_chemical_formula_sum '[Sm24 Cu12 Pb2]'
_cell_volume [1018.9027]
_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
[
  Sm  Sm0  24  0.0000  0.1884  0.3012  1.0
  Cu  Cu1  12  0.0000  0.3783  0.5000  1.0
  Pb  Pb2  2  0.0000  0.0000  0.0000  1.0
]