data_[Pm12Sm12Pt8]
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 [Cmcm]
_cell_length_a [3.8776]
_cell_length_b [13.5053]
_cell_length_c [18.7410]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Pm3Sm3Pt2]
_chemical_formula_sum '[Pm12 Sm12 Pt8]'
_cell_volume [981.4299]
_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
[
  Pm  Pm0  8  0.0000  0.0564  0.5891  1
  Pm  Pm1  4  0.0000  0.2881  0.7500  1
  Sm  Sm2  8  0.0000  0.3295  0.5574  1
  Sm  Sm3  4  0.0000  0.4383  0.2500  1
  Pt  Pt4  8  0.0000  0.2910  0.1352  1
]