data_[Cs8O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmce]
_cell_length_a [7.6435]
_cell_length_b [7.8570]
_cell_length_c [7.3314]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [64]
_chemical_formula_structural [Cs2O2]
_chemical_formula_sum '[Cs8 O8]'
_cell_volume [440.2892]
_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
[
  Cs  Cs0  8  0.2500  0.1627  0.2500  1.0
  O  O1  8  0.0000  0.0757  0.9361  1.0
]