data_[Ag2F4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ag  1.9300  1.6000  1.0867
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P1]
_cell_length_a [3.7419]
_cell_length_b [3.8393]
_cell_length_c [19.9105]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [99.8980]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [AgF2]
_chemical_formula_sum '[Ag2 F4]'
_cell_volume [281.7858]
_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  1  0.1162  0.2440  0.5832  1
  Ag  Ag1  1  0.5576  0.6253  0.4373  1
  F  F2  1  0.1151  0.5691  0.3783  1
  F  F3  1  0.3061  0.7937  0.6249  1
  F  F4  1  0.4981  0.1143  0.4531  1
  F  F5  1  0.9069  0.6536  0.5232  1
]