data_[Li4Cu8F20]
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 [Cmcm]
_cell_length_a [3.8734]
_cell_length_b [10.4477]
_cell_length_c [9.8894]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [LiCu2F5]
_chemical_formula_sum '[Li4 Cu8 F20]'
_cell_volume [400.2020]
_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
[
  Li  Li0  4  0.0000  0.1950  0.7500  1
  Cu  Cu1  8  0.0000  0.1339  0.0691  1
  F  F2  8  0.0000  0.0651  0.6103  1
  F  F3  8  0.0000  0.3252  0.5692  1
  F  F4  4  0.0000  0.2193  0.2500  1
]