data_[Na8Ce4Cl20]
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
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [5.4645]
_cell_length_b [13.7614]
_cell_length_c [13.9714]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Na2CeCl5]
_chemical_formula_sum '[Na8 Ce4 Cl20]'
_cell_volume [1050.6427]
_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  0.0000  0.1449  0.5526  1.0
  Ce  Ce1  4  0.0000  0.1904  0.2500  1.0
  Cl  Cl2  8  0.0000  0.0449  0.1209  1.0
  Cl  Cl3  8  0.0000  0.3073  0.0854  1.0
  Cl  Cl4  4  0.0000  0.2571  0.7500  1.0
]