data_[Li4Cu2F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Cu  1.9000  1.3500  0.8200
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Pc]
_cell_length_a [5.6768]
_cell_length_b [5.3660]
_cell_length_c [5.6008]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.0061]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [7]
_chemical_formula_structural [Li2CuF4]
_chemical_formula_sum '[Li4 Cu2 F8]'
_cell_volume [149.2088]
_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  0.2793  0.2684  0.5175  1.0
  Li  Li1  2  0.5585  0.1980  0.0819  1.0
  Cu  Cu2  2  0.9925  0.2576  0.9585  1.0
  F  F3  2  0.1679  0.0916  0.7789  1.0
  F  F4  2  0.3461  0.3996  0.1997  1.0
  F  F5  2  0.6346  0.1207  0.7587  1.0
  F  F6  2  0.8952  0.3733  0.2281  1.0
]