data_[Cs8Rb4O2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Rb  0.8200  2.3500  1.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [9.6690]
_cell_length_b [9.0672]
_cell_length_c [14.0752]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.9858]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Cs4Rb2O]
_chemical_formula_sum '[Cs8 Rb4 O2]'
_cell_volume [1233.2386]
_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  0.2454  0.5171  0.4383  1.0
  Cs  Cs1  2  0.0466  0.7500  0.1961  1.0
  Cs  Cs2  2  0.4833  0.7500  0.2237  1.0
  Rb  Rb3  2  0.2257  0.7500  0.8211  1.0
  Rb  Rb4  2  0.2816  0.2500  0.0917  1.0
  O  O5  2  0.2560  0.7500  0.3256  1.0
]