data_[Cs2K2Rb16Na4]
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
  Na  0.9300  1.8000  1.1600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.1457]
_cell_length_b [9.2792]
_cell_length_c [15.8888]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.6606]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [CsK(Rb4Na)2]
_chemical_formula_sum '[Cs2 K2 Rb16 Na4]'
_cell_volume [2066.9825]
_cell_formula_units_Z [2]
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  2  0.0000  0.5000  0.5000  1.0
  Rb  Rb1  8  0.1106  0.2442  0.2503  1.0
  Rb  Rb2  4  0.1579  0.5000  0.9384  1.0
  Rb  Rb3  4  0.1592  0.0000  0.5489  1.0
  K  K4  2  0.0000  0.0000  0.0000  1.0
  Na  Na5  4  0.1589  0.0000  0.8164  1.0
]