data_[As2F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  As  2.1800  1.1500  0.6600
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P1]
_cell_length_a [5.0217]
_cell_length_b [5.1399]
_cell_length_c [7.0357]
_cell_angle_alpha [77.5684]
_cell_angle_beta [69.4045]
_cell_angle_gamma [85.5939]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [AsF4]
_chemical_formula_sum '[As2 F8]'
_cell_volume [166.0052]
_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
[
  As  As0  1  0.0085  0.4888  0.0221  1.0
  As  As1  1  0.4448  0.9925  0.5885  1.0
  F  F2  1  0.0641  0.7653  0.7902  1.0
  F  F3  1  0.2027  0.2579  0.6058  1.0
  F  F4  1  0.3498  0.9181  0.3921  1.0
  F  F5  1  0.4698  0.0332  0.8231  1.0
  F  F6  1  0.6046  0.6814  0.6217  1.0
  F  F7  1  0.6501  0.4613  0.0508  1.0
  F  F8  1  0.7497  0.1719  0.4289  1.0
  F  F9  1  0.9610  0.7142  0.1842  1.0
]