data_[Na2V2O4F4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  V  1.6300  1.3500  0.7775
  O  3.4400  0.6000  1.2600
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.5619]
_cell_length_b [3.5717]
_cell_length_c [7.3122]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.7606]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaV(OF)2]
_chemical_formula_sum '[Na2 V2 O4 F4]'
_cell_volume [161.2827]
_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
[
  Na  Na0  2  0.3664  0.2500  0.7831  1.0
  V  V1  2  0.1357  0.2500  0.2114  1.0
  O  O2  2  0.0927  0.7500  0.1374  1.0
  O  O3  2  0.2831  0.2500  0.4396  1.0
  F  F4  2  0.1381  0.7500  0.7559  1.0
  F  F5  2  0.3777  0.2500  0.1144  1.0
]