data_[Li2Fe14O14F2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Fe  1.8300  1.4000  0.8525
  O  3.4400  0.6000  1.2600
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [17.7295]
_cell_length_b [3.6495]
_cell_length_c [6.1186]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [LiFe7O7F]
_chemical_formula_sum '[Li2 Fe14 O14 F2]'
_cell_volume [395.9006]
_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
[
  Li  Li0  2  0.5000  0.0000  0.3294  1
  Fe  Fe1  4  0.1247  0.0000  0.6570  1
  Fe  Fe2  4  0.2514  0.0000  0.3288  1
  Fe  Fe3  4  0.3756  0.0000  0.6657  1
  Fe  Fe4  2  0.0000  0.0000  0.3258  1
  O  O5  4  0.1247  0.0000  0.3291  1
  O  O6  4  0.2505  0.0000  0.6831  1
  O  O7  4  0.3793  0.0000  0.3351  1
  O  O8  2  0.0000  0.0000  0.6797  1
  F  F9  2  0.5000  0.0000  0.6702  1
]