data_[Ce2Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Cmm2]
_cell_length_a [5.4596]
_cell_length_b [13.9363]
_cell_length_c [18.7395]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [35]
_chemical_formula_structural [CeCl4]
_chemical_formula_sum '[Ce2 Cl8]'
_cell_volume [1425.8190]
_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  0.5000  0.5009  1
  Cl  Cl1  4  0.0000  0.3438  0.4345  1
  Cl  Cl2  2  0.0000  0.0000  0.4961  1
  Cl  Cl3  2  0.0000  0.5000  0.6340  1
]