data_[Cs4K8Rb4]
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 [Amm2]
_cell_length_a [8.0064]
_cell_length_b [9.9587]
_cell_length_c [17.1262]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [CsK2Rb]
_chemical_formula_sum '[Cs4 K8 Rb4]'
_cell_volume [1365.5232]
_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  4  0.0000  0.2476  0.0825  1
  K  K1  4  0.5000  0.2467  0.9138  1
  Rb  Rb2  2  0.0000  0.0000  0.3332  1
  K  K3  2  0.0000  0.0000  0.8348  1
  K  K4  2  0.5000  0.0000  0.1685  1
  Rb  Rb5  2  0.5000  0.0000  0.6710  1
]