data_[Na4Ag4F20]
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
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [9.0767]
_cell_length_b [6.3141]
_cell_length_c [8.3541]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.9607]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NaAgF5]
_chemical_formula_sum '[Na4 Ag4 F20]'
_cell_volume [434.0633]
_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  0.4834  0.7500  1.0
  Ag  Ag1  4  0.0000  0.0000  0.0000  1.0
  F  F2  8  0.0543  0.3012  0.5050  1.0
  F  F3  8  0.2276  0.0799  0.1182  1.0
  F  F4  4  0.0000  0.0424  0.7500  1.0
]