data_[Na4Ag8H4F16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ag  1.9300  1.6000  1.0867
  H  2.2000  0.2500  0.0000
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Fmm2]
_cell_length_a [6.2407]
_cell_length_b [10.9827]
_cell_length_c [7.1514]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [42]
_chemical_formula_structural [NaAg2HF4]
_chemical_formula_sum '[Na4 Ag8 H4 F16]'
_cell_volume [490.1514]
_cell_formula_units_Z [4]
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  0.0000  0.0000  0.0690  1.0
  Ag  Ag1  8  0.2500  0.2500  0.3052  1.0
  H  H2  4  0.0000  0.0000  0.7279  1.0
  F  F3  8  0.0000  0.2046  0.0544  1.0
  F  F4  8  0.1828  0.0000  0.7433  1.0
]