data_[Pm3Sm1Pt8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Sm  1.1700  1.8500  1.2290
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [P3m1]
_cell_length_a [5.5063]
_cell_length_b [5.5063]
_cell_length_c [9.0096]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [Pm3SmPt8]
_chemical_formula_sum '[Pm3 Sm1 Pt8]'
_cell_volume [236.5699]
_cell_formula_units_Z [1]
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
[
  Pm  Pm0  1  0.0000  0.0000  0.9344  1
  Pm  Pm1  1  0.6667  0.3333  0.0652  1
  Pm  Pm2  1  0.6667  0.3333  0.4355  1
  Sm  Sm3  1  0.0000  0.0000  0.5648  1
  Pt  Pt4  3  0.1648  0.3295  0.2503  1
  Pt  Pt5  3  0.5018  0.0036  0.7497  1
  Pt  Pt6  1  0.3333  0.6667  0.0002  1
  Pt  Pt7  1  0.3333  0.6667  0.5000  1
]