data_[O4F2]
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 [P1]
_cell_length_a [3.7652]
_cell_length_b [4.8948]
_cell_length_c [5.6432]
_cell_angle_alpha [68.4233]
_cell_angle_beta [77.7320]
_cell_angle_gamma [67.7758]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [O2F]
_chemical_formula_sum '[O4 F2]'
_cell_volume [89.2040]
_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  1  0.5131  0.5414  0.9778  1.0
  O  O1  1  0.5769  0.7206  0.0523  1.0
  O  O2  1  0.5994  0.7442  0.5989  1.0
  O  O3  1  0.6794  0.9603  0.6036  1.0
  F  F4  1  0.1739  0.9875  0.1131  1.0
  F  F5  1  0.2993  0.2811  0.5635  1.0
]