data_[Cs8K2O2]
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
]
_symmetry_space_group_name_H-M [I4]
_cell_length_a [10.9412]
_cell_length_b [10.9412]
_cell_length_c [7.5973]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [79]
_chemical_formula_structural [Cs4KO]
_chemical_formula_sum '[Cs8 K2 O2]'
_cell_volume [909.4697]
_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  8  0.0445  0.2498  0.0550  1
  K  K1  2  0.0000  0.0000  0.6442  1
  O  O2  2  0.0000  0.0000  0.9807  1
]