data_[Cu8F20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cu  1.9000  1.3500  0.8200
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [12.7323]
_cell_length_b [4.8018]
_cell_length_c [5.4544]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.4054]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Cu2F5]
_chemical_formula_sum '[Cu8 F20]'
_cell_volume [325.6895]
_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
[
  Cu  Cu0  8  0.1429  0.2498  0.7920  1
  F  F1  8  0.1094  0.0569  0.4850  1
  F  F2  8  0.2018  0.4314  0.1253  1
  F  F3  4  0.0000  0.3925  0.7500  1
]