data_[Cs8K2Cl8]
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
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P4_2/nmc]
_cell_length_a [9.6914]
_cell_length_b [9.6914]
_cell_length_c [9.2865]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [137]
_chemical_formula_structural [Cs4KCl4]
_chemical_formula_sum '[Cs8 K2 Cl8]'
_cell_volume [872.2214]
_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  8  0.0000  0.2768  0.6480  1
  K  K1  2  0.0000  0.0000  0.0000  1
  Cl  Cl2  8  0.0000  0.2236  0.2578  1
]