data_[Cs8K4Rb4O2]
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
  Rb  0.8200  2.3500  1.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.4205]
_cell_length_b [9.5706]
_cell_length_c [8.6126]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.3572]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Cs4K2Rb2O]
_chemical_formula_sum '[Cs8 K4 Rb4 O2]'
_cell_volume [1351.1805]
_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  0.1015  0.2179  0.3653  1
  K  K1  4  0.0971  0.0000  0.7670  1
  Rb  Rb2  4  0.1526  0.5000  0.8988  1
  O  O3  2  0.0000  0.0000  0.5000  1
]