data_[Na2Ce4F16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ce  1.1200  1.8500  1.0800
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.1392]
_cell_length_b [7.3884]
_cell_length_c [4.1464]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.2333]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [NaCe2F8]
_chemical_formula_sum '[Na2 Ce4 F16]'
_cell_volume [322.2055]
_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
[
  Na  Na0  2  0.0000  0.0000  0.0000  1.0
  Ce  Ce1  4  0.1788  0.5000  0.4193  1.0
  F  F2  8  0.1313  0.2021  0.3861  1.0
  F  F3  4  0.0583  0.5000  0.8042  1.0
  F  F4  4  0.2121  0.0000  0.9719  1.0
]