data_[K12Na3Ce9O24]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [7.2026]
_cell_length_b [7.2026]
_cell_length_c [18.7216]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [K4NaCe3O8]
_chemical_formula_sum '[K12 Na3 Ce9 O24]'
_cell_volume [841.1151]
_cell_formula_units_Z [3]
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  9  0.0000  0.5000  0.5000  1.0
  K  K1  3  -0.0000  -0.0000  0.5000  1.0
  Na  Na2  3  0.0000  0.0000  0.0000  1.0
  Ce  Ce3  9  0.0000  0.5000  0.0000  1.0
  O  O4  18  0.0299  0.5150  0.2714  1.0
  O  O5  6  0.0000  0.0000  0.2686  1.0
]