data_[Ce20Ag8Ir8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Ag  1.9300  1.6000  1.0867
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [Ima2]
_cell_length_a [18.4331]
_cell_length_b [6.4769]
_cell_length_c [7.4598]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [46]
_chemical_formula_structural [Ce5(AgIr)2]
_chemical_formula_sum '[Ce20 Ag8 Ir8]'
_cell_volume [890.6329]
_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
[
  Ce  Ce0  8  0.0790  0.1627  0.7878  1
  Ce  Ce1  8  0.1643  0.6267  0.6406  1
  Ce  Ce2  4  0.2500  0.1326  0.4991  1
  Ag  Ag3  8  0.0603  0.6211  0.9471  1
  Ir  Ir4  4  0.0000  0.0000  0.0839  1
  Ir  Ir5  4  0.2500  0.5399  0.3299  1
]