data_[Pm24Si12Ir4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Si  1.9000  1.1000  0.5400
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [11.2130]
_cell_length_b [14.4180]
_cell_length_c [7.2418]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Pm6Si3Ir]
_chemical_formula_sum '[Pm24 Si12 Ir4]'
_cell_volume [1170.7787]
_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  0.1606  0.2638  0.1987  1
  Pm  Pm1  8  0.1734  0.4675  0.6630  1
  Pm  Pm2  4  0.0000  0.0074  0.2636  1
  Pm  Pm3  4  0.0000  0.2394  0.6573  1
  Si  Si4  8  0.1825  0.1126  0.4825  1
  Si  Si5  4  0.0000  0.4028  0.3788  1
  Ir  Ir6  4  0.0000  0.1511  0.9974  1
]