data_[Na6Al3Cd3F18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Al  1.6100  1.2500  0.6750
  Cd  1.6900  1.5500  1.0900
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.6912]
_cell_length_b [5.6912]
_cell_length_c [15.5455]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Na2AlCdF6]
_chemical_formula_sum '[Na6 Al3 Cd3 F18]'
_cell_volume [436.0621]
_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
[
  Na  Na0  3  0.0000  0.0000  0.4670  1
  Na  Na1  3  0.0000  0.0000  0.9935  1
  Al  Al2  3  0.0000  0.0000  0.6732  1
  Cd  Cd3  3  0.0000  0.0000  0.2068  1
  F  F4  9  0.0195  0.7519  0.5980  1
  F  F5  9  0.0640  0.3924  0.4012  1
]