data_[W2F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  W  2.3600  1.3500  0.7667
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P1]
_cell_length_a [5.2014]
_cell_length_b [5.6425]
_cell_length_c [6.3342]
_cell_angle_alpha [106.3998]
_cell_angle_beta [111.3237]
_cell_angle_gamma [90.4329]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [WF4]
_chemical_formula_sum '[W2 F8]'
_cell_volume [164.8626]
_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
[
  W  W0  1  0.5020  0.9985  0.0029  1.0
  W  W1  1  0.9984  0.4959  0.9990  1.0
  F  F2  1  0.1553  0.1646  0.8611  1.0
  F  F3  1  0.2280  0.6622  0.8612  1.0
  F  F4  1  0.3315  0.5063  0.2686  1.0
  F  F5  1  0.4036  0.0029  0.2691  1.0
  F  F6  1  0.5952  0.0090  0.7367  1.0
  F  F7  1  0.6770  0.5026  0.7262  1.0
  F  F8  1  0.7799  0.3344  0.1462  1.0
  F  F9  1  0.8443  0.8287  0.1416  1.0
]