data_[Cs2K4O2F2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  K  0.8200  2.2000  1.5200
  O  3.4400  0.6000  1.2600
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.8200]
_cell_length_b [3.9363]
_cell_length_c [8.7275]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.4432]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [CsK2OF]
_chemical_formula_sum '[Cs2 K4 O2 F2]'
_cell_volume [260.1539]
_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
[
  Cs  Cs0  2  0.0069  0.7500  0.2857  1.0
  K  K1  2  0.3473  0.2500  0.0397  1.0
  K  K2  2  0.4222  0.2500  0.6532  1.0
  O  O3  2  0.2796  0.7500  0.8254  1.0
  F  F4  2  0.3201  0.2500  0.3395  1.0
]