data_[K2Cu2H4F16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Cu  1.9000  1.3500  0.8200
  H  2.2000  0.2500  0.0000
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [8.2959]
_cell_length_b [5.3411]
_cell_length_c [7.5562]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.8185]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KCuH2F8]
_chemical_formula_sum '[K2 Cu2 H4 F16]'
_cell_volume [327.7136]
_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
[
  K  K0  2  0.0000  0.0000  0.5000  1.0
  Cu  Cu1  2  0.0000  0.0000  0.0000  1.0
  H  H2  4  0.2100  0.5000  0.7349  1.0
  F  F3  8  0.0009  0.2345  0.1697  1.0
  F  F4  4  0.1794  0.5000  0.6028  1.0
  F  F5  4  0.2234  0.0000  0.0570  1.0
]