data_[Na8Ce4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ce  1.1200  1.8500  1.0800
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [12.3419]
_cell_length_b [7.1128]
_cell_length_c [4.6810]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Na2CeO3]
_chemical_formula_sum '[Na8 Ce4 O12]'
_cell_volume [410.9312]
_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
[
  Na  Na0  8  0.1843  0.3472  0.2500  1.0
  Ce  Ce1  4  0.0000  0.1941  0.7500  1.0
  O  O2  8  0.1499  0.3223  0.7500  1.0
  O  O3  4  0.0000  0.1329  0.2500  1.0
]