data_[Li2Cu2F4]
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 [P2_1/m]
_cell_length_a [5.1169]
_cell_length_b [2.8729]
_cell_length_c [6.1515]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.4462]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [LiCuF2]
_chemical_formula_sum '[Li2 Cu2 F4]'
_cell_volume [89.6656]
_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  0.2825  0.7500  0.9011  1.0
  Cu  Cu1  2  0.2882  0.2500  0.4271  1.0
  F  F2  2  0.1588  0.2500  0.7027  1.0
  F  F3  2  0.3357  0.2500  0.1258  1.0
]