data_[K20Rb8Cd8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Rb  0.8200  2.3500  1.6600
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [Cmce]
_cell_length_a [25.2862]
_cell_length_b [9.4089]
_cell_length_c [9.3986]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [64]
_chemical_formula_structural [K5(RbCd)2]
_chemical_formula_sum '[K20 Rb8 Cd8]'
_cell_volume [2236.0819]
_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
[
  K  K0  16  0.1003  0.1777  0.3223  1
  Rb  Rb1  8  0.2333  0.0000  0.0000  1
  K  K2  4  0.0000  0.0000  0.0000  1
  Cd  Cd3  8  0.0000  0.1111  0.6104  1
]