data_[Rb4Ce4I12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ce  1.1200  1.8500  1.0800
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [10.5737]
_cell_length_b [4.5651]
_cell_length_c [18.2222]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [RbCeI3]
_chemical_formula_sum '[Rb4 Ce4 I12]'
_cell_volume [879.5867]
_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
[
  Rb  Rb0  4  0.0642  0.7500  0.6730  1.0
  Ce  Ce1  4  0.1288  0.2500  0.9529  1.0
  I  I2  4  0.0487  0.2500  0.1236  1.0
  I  I3  4  0.1668  0.2500  0.5059  1.0
  I  I4  4  0.2248  0.7500  0.2963  1.0
]