data_[O2F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  O  3.4400  0.6000  1.2600
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Pc]
_cell_length_a [4.8340]
_cell_length_b [22.4604]
_cell_length_c [4.5423]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.9640]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [7]
_chemical_formula_structural [OF4]
_chemical_formula_sum '[O2 F8]'
_cell_volume [439.5659]
_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
[
  O  O0  2  0.3073  0.3922  0.9481  1
  F  F1  2  0.0076  0.4023  0.0068  1
  F  F2  2  0.2525  0.3339  0.7169  1
  F  F3  2  0.3638  0.4516  0.7771  1
  F  F4  2  0.6036  0.3810  0.3006  1
]