data_[Pm6Sm4Pt8]
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 [P2_1/c]
_cell_length_a [7.7294]
_cell_length_b [7.7357]
_cell_length_c [7.9814]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.2280]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Pm3(SmPt2)2]
_chemical_formula_sum '[Pm6 Sm4 Pt8]'
_cell_volume [453.2771]
_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
[
  Pm  Pm0  4  0.2403  0.6673  0.2510  1
  Pm  Pm1  2  0.5000  0.0000  0.5000  1
  Sm  Sm2  4  0.2022  0.1810  0.0936  1
  Pt  Pt3  4  0.0939  0.5282  0.8685  1
  Pt  Pt4  4  0.4929  0.1314  0.8734  1
]