data_[K4Na4Ce4I20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  Ce  1.1200  1.8500  1.0800
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [9.5590]
_cell_length_b [15.4038]
_cell_length_c [11.5883]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.6811]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [KNaCeI5]
_chemical_formula_sum '[K4 Na4 Ce4 I20]'
_cell_volume [1616.4192]
_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
[
  K  K0  4  0.0000  0.4096  0.7500  1.0
  Na  Na1  4  0.0000  0.2969  0.2500  1.0
  Ce  Ce2  4  0.0000  0.0000  0.0000  1.0
  I  I3  8  0.1493  0.1740  0.1175  1.0
  I  I4  8  0.1807  0.4215  0.4599  1.0
  I  I5  4  0.0000  0.0851  0.7500  1.0
]