data_[Cs4K12Na2O2]
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
  Na  0.9300  1.8000  1.1600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [8.5817]
_cell_length_b [8.5817]
_cell_length_c [18.6964]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [Cs2K6NaO]
_chemical_formula_sum '[Cs4 K12 Na2 O2]'
_cell_volume [1376.8951]
_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  4  0.0000  0.5000  0.1998  1.0
  K  K1  8  0.2072  0.2072  0.9759  1.0
  K  K2  2  0.0000  0.0000  0.3295  1.0
  K  K3  2  0.0000  0.0000  0.8165  1.0
  Na  Na4  2  0.0000  0.0000  0.5913  1.0
  O  O5  2  0.0000  0.0000  0.9497  1.0
]