data_[Na2Sb6F20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sb  2.0500  1.4500  0.8300
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P6_3]
_cell_length_a [7.9863]
_cell_length_b [7.9863]
_cell_length_c [7.0359]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [173]
_chemical_formula_structural [NaSb3F10]
_chemical_formula_sum '[Na2 Sb6 F20]'
_cell_volume [388.6383]
_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  0.3333  0.6667  0.1893  1
  Sb  Sb1  6  0.1231  0.7840  0.7338  1
  F  F2  6  0.0302  0.5001  0.2935  1
  F  F3  6  0.1075  0.8824  0.3451  1
  F  F4  6  0.1988  0.3995  0.0036  1
  F  F5  2  0.3333  0.6667  0.6895  1
]