data_[Na8H6F2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  H  2.2000  0.2500  0.0000
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2/c]
_cell_length_a [5.8690]
_cell_length_b [6.7709]
_cell_length_c [5.8633]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.4738]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [13]
_chemical_formula_structural [Na4H3F]
_chemical_formula_sum '[Na8 H6 F2]'
_cell_volume [219.6699]
_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  4  0.2456  0.1227  0.0013  1
  Na  Na1  4  0.2499  0.3726  0.4967  1
  H  H2  2  0.0000  0.3732  0.7500  1
  H  H3  2  0.5000  0.1240  0.7500  1
  H  H4  2  0.5000  0.3747  0.2500  1
  F  F5  2  0.0000  0.1240  0.2500  1
]