data_[Sm18Pt24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [13.5387]
_cell_length_b [13.5387]
_cell_length_c [5.7899]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Sm3Pt4]
_chemical_formula_sum '[Sm18 Pt24]'
_cell_volume [919.0849]
_cell_formula_units_Z [6]
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  18  0.0442  0.8338  0.2371  1.0
  Pt  Pt1  18  0.0551  0.7816  0.7219  1.0
  Pt  Pt2  3  0.0000  0.0000  0.0000  1.0
  Pt  Pt3  3  0.0000  0.0000  0.5000  1.0
]