data_[Sm4Pb12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.6287]
_cell_length_b [22.6682]
_cell_length_c [4.5883]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [SmPb3]
_chemical_formula_sum '[Sm4 Pb12]'
_cell_volume [481.4217]
_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
[
  Sm  Sm0  4  0.0000  0.4270  0.7500  1
  Pb  Pb1  4  0.0000  0.0494  0.7500  1
  Pb  Pb2  4  0.0000  0.1818  0.2500  1
  Pb  Pb3  4  0.0000  0.3176  0.2500  1
]