data_[Ce2Pm14Ir8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Pm  1.1300  1.8500  1.1100
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.1441]
_cell_length_b [5.3582]
_cell_length_c [10.6379]
_cell_angle_alpha [90.0000]
_cell_angle_beta [127.6806]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [CePm7Ir4]
_chemical_formula_sum '[Ce2 Pm14 Ir8]'
_cell_volume [638.0606]
_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
[
  Ce  Ce0  2  0.0000  0.0000  0.0000  1
  Pm  Pm1  4  0.0994  0.0000  0.3717  1
  Pm  Pm2  4  0.1581  0.5000  0.6170  1
  Pm  Pm3  4  0.2057  0.0000  0.8693  1
  Pm  Pm4  2  0.0000  0.5000  0.0000  1
  Ir  Ir5  4  0.0648  0.5000  0.7852  1
  Ir  Ir6  4  0.2057  0.5000  0.3180  1
]