data_[Ce8C4I10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  C  2.5500  0.7000  0.3000
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.0698]
_cell_length_b [8.7741]
_cell_length_c [20.2784]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Ce4C2I5]
_chemical_formula_sum '[Ce8 C4 I10]'
_cell_volume [724.1296]
_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  4  0.0000  0.0000  0.3537  1.0
  Ce  Ce1  4  0.0000  0.3148  0.0000  1.0
  C  C2  4  0.0000  0.0000  0.4654  1.0
  I  I3  8  0.0000  0.2243  0.1579  1.0
  I  I4  2  0.0000  0.5000  0.5000  1.0
]