data_[Nb8O8F12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nb  1.6000  1.4500  0.8200
  O  3.4400  0.6000  1.2600
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [13.1948]
_cell_length_b [5.2523]
_cell_length_c [5.8064]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.9300]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Nb2O2F3]
_chemical_formula_sum '[Nb8 O8 F12]'
_cell_volume [378.2996]
_cell_formula_units_Z [4]
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
[
  Nb  Nb0  8  0.1599  0.2442  0.3133  1.0
  O  O1  8  0.2014  0.0427  0.6405  1.0
  F  F2  8  0.1038  0.4502  0.9715  1.0
  F  F3  4  0.0000  0.1092  0.2500  1.0
]