data_[Pm20Bi8Ir4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Bi  2.0200  1.6000  1.0350
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [6.0131]
_cell_length_b [9.9763]
_cell_length_c [16.6223]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Pm5Bi2Ir]
_chemical_formula_sum '[Pm20 Bi8 Ir4]'
_cell_volume [997.1454]
_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  0.0933  0.1308  1
  Pm  Pm1  8  0.0000  0.4280  0.1043  1
  Pm  Pm2  4  0.0000  0.2434  0.7500  1
  Bi  Bi3  8  0.0000  0.2341  0.5579  1
  Ir  Ir4  4  0.0000  0.2936  0.2500  1
]