data_[Cs8K4Na4Cl16]
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
  Na  0.9300  1.8000  1.1600
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [9.2357]
_cell_length_b [9.3409]
_cell_length_c [13.1143]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [Cs2KNaCl4]
_chemical_formula_sum '[Cs8 K4 Na4 Cl16]'
_cell_volume [1131.3726]
_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  0.0000  0.0000  1.0
  Cs  Cs1  4  0.2500  0.2500  0.2500  1.0
  K  K2  4  0.0000  0.0000  0.5000  1.0
  Na  Na3  4  0.2500  0.2500  0.7500  1.0
  Cl  Cl4  8  0.0000  0.0312  0.7416  1.0
  Cl  Cl5  8  0.2319  0.2500  0.5198  1.0
]