data_[Rb8Cl6O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Cl  3.1600  1.0000  0.7800
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.4671]
_cell_length_b [8.1141]
_cell_length_c [21.9175]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Rb4Cl3O4]
_chemical_formula_sum '[Rb8 Cl6 O8]'
_cell_volume [794.4280]
_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
[
  Rb  Rb0  4  0.0000  0.0000  0.1933  1
  Rb  Rb1  4  0.0000  0.2278  0.0000  1
  Cl  Cl2  4  0.0000  0.5000  0.4098  1
  Cl  Cl3  2  0.0000  0.0000  0.5000  1
  O  O4  8  0.0000  0.4204  0.2162  1
]