data_[Cs4Rb4Br4O2]
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
  Br  2.9600  1.1500  0.8825
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.5595]
_cell_length_b [7.7315]
_cell_length_c [15.5874]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Cs2Rb2Br2O]
_chemical_formula_sum '[Cs4 Rb4 Br4 O2]'
_cell_volume [549.4860]
_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  0.2489  0.5000  1
  Rb  Rb1  4  0.0000  0.0000  0.1748  1
  Br  Br2  4  0.0000  0.5000  0.1629  1
  O  O3  2  0.0000  0.0000  0.0000  1
]