data_[Cs8K8Rb4]
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 [C2/m]
_cell_length_a [16.3098]
_cell_length_b [7.7406]
_cell_length_c [15.0435]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.6525]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Cs2K2Rb]
_chemical_formula_sum '[Cs8 K8 Rb4]'
_cell_volume [1877.5947]
_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  0.0568  0.0000  0.3524  1.0
  Cs  Cs1  4  0.1598  0.0000  0.0435  1.0
  K  K2  4  0.0394  0.5000  0.8531  1.0
  K  K3  4  0.1364  0.5000  0.5685  1.0
  Rb  Rb4  4  0.2442  0.5000  0.2752  1.0
]