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 [P2_1/m]
_cell_length_a [18.6322]
_cell_length_b [7.2944]
_cell_length_c [18.6322]
_cell_angle_alpha [90.0000]
_cell_angle_beta [120.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [CeCl4]
_chemical_formula_sum '[Ce2 Cl8]'
_cell_volume [2193.0539]
_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  0.1025  0.7500  0.4841  1
  Cl  Cl1  4  0.1329  0.5037  0.4101  1
  Cl  Cl2  2  0.0000  0.0000  0.5000  1
  Cl  Cl3  2  0.2211  0.7500  0.6289  1
]