data_[K4Cl4O8F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Cl  3.1600  1.0000  0.7800
  O  3.4400  0.6000  1.2600
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [7.2257]
_cell_length_b [8.4676]
_cell_length_c [8.1937]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [KCl(OF)2]
_chemical_formula_sum '[K4 Cl4 O8 F8]'
_cell_volume [501.3243]
_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
[
  K  K0  4  0.0000  0.0000  0.0000  1.0
  Cl  Cl1  4  0.0000  0.4212  0.7500  1.0
  O  O2  8  0.0000  0.3277  0.6022  1.0
  F  F3  8  0.2272  0.0330  0.2500  1.0
]