data_[Ce4Pb4I20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Pb  2.3300  1.8000  1.1225
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [12.2682]
_cell_length_b [11.0673]
_cell_length_c [12.2877]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.5195]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [CePbI5]
_chemical_formula_sum '[Ce4 Pb4 I20]'
_cell_volume [1492.8241]
_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
[
  Ce  Ce0  4  0.2500  0.2500  0.5000  1
  Pb  Pb1  4  0.0000  0.0729  0.7500  1
  I  I2  8  0.1006  0.2796  0.6493  1
  I  I3  8  0.2371  0.0301  0.0065  1
  I  I4  4  0.0000  0.2398  0.2500  1
]