data_[Ag8S2F4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  S  2.5800  1.0000  0.8800
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [4.8691]
_cell_length_b [4.8691]
_cell_length_c [11.9614]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Ag4SF2]
_chemical_formula_sum '[Ag8 S2 F4]'
_cell_volume [283.5790]
_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
[
  Ag  Ag0  4  0.0000  0.0000  0.1987  1.0
  Ag  Ag1  4  0.0000  0.5000  0.0000  1.0
  S  S2  2  0.0000  0.0000  0.0000  1.0
  F  F3  4  0.0000  0.0000  0.3736  1.0
]