data_[Ce2Mg4Ir2O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Mg  1.3100  1.5000  0.8600
  Ir  2.2000  1.3500  0.7650
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [6.5769]
_cell_length_b [6.7741]
_cell_length_c [6.6427]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [CeMg2IrO8]
_chemical_formula_sum '[Ce2 Mg4 Ir2 O16]'
_cell_volume [295.9525]
_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  0.5000  1.0
  Mg  Mg1  4  0.0000  0.5000  0.2439  1.0
  Ir  Ir2  2  0.0000  0.0000  0.0000  1.0
  O  O3  8  0.0000  0.1940  0.2087  1.0
  O  O4  4  0.1890  0.5000  0.5000  1.0
  O  O5  4  0.2135  0.5000  0.0000  1.0
]