data_[Sm8Si16Pt8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Si  1.9000  1.1000  0.5400
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.3363]
_cell_length_b [8.5755]
_cell_length_c [16.0943]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [SmSi2Pt]
_chemical_formula_sum '[Sm8 Si16 Pt8]'
_cell_volume [598.4739]
_cell_formula_units_Z [8]
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  0.2575  0.0000  1.0
  Sm  Sm1  4  0.0000  0.5000  0.2018  1.0
  Si  Si2  8  0.0000  0.1479  0.8017  1.0
  Si  Si3  4  0.0000  0.0000  0.4275  1.0
  Si  Si4  4  0.0000  0.5000  0.4271  1.0
  Pt  Pt5  8  0.0000  0.2539  0.3507  1.0
]