data_[Cs9K3Rb12I24]
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
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [10.7312]
_cell_length_b [10.7312]
_cell_length_c [26.2891]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Cs3KRb4I8]
_chemical_formula_sum '[Cs9 K3 Rb12 I24]'
_cell_volume [2621.7952]
_cell_formula_units_Z [3]
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  9  0.0000  0.5000  0.5000  1.0
  Rb  Rb1  9  0.0000  0.5000  0.0000  1.0
  Rb  Rb2  3  -0.0000  -0.0000  0.0000  1.0
  K  K3  3  0.0000  0.0000  0.5000  1.0
  I  I4  18  0.0109  0.5055  0.2516  1.0
  I  I5  6  0.0000  0.0000  0.2547  1.0
]