data_[Cs8K20Rb12]
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
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [16.3814]
_cell_length_b [24.6135]
_cell_length_c [8.8308]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Cs2K5Rb3]
_chemical_formula_sum '[Cs8 K20 Rb12]'
_cell_volume [3560.6043]
_cell_formula_units_Z [4]
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  0.0936  0.1763  0.5000  1.0
  Rb  Rb1  8  0.0961  0.3366  0.0000  1.0
  K  K2  8  0.2411  0.1629  0.0000  1.0
  K  K3  8  0.2463  0.5000  0.2500  1.0
  Rb  Rb4  4  0.0000  0.0000  0.2500  1.0
  K  K5  4  0.0000  0.5000  0.2500  1.0
]