data_[Pm36Ir3Pt18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ir  2.2000  1.3500  0.7650
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [12.8325]
_cell_length_b [12.8325]
_cell_length_c [12.0528]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Pm12IrPt6]
_chemical_formula_sum '[Pm36 Ir3 Pt18]'
_cell_volume [1718.8533]
_cell_formula_units_Z [3]
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  18  0.0283  0.8115  0.3945  1
  Pm  Pm1  18  0.0422  0.8360  0.8851  1
  Ir  Ir2  3  0.0000  0.0000  0.0000  1
  Pt  Pt3  18  0.0449  0.7817  0.6470  1
]