data_[Cs16K2]
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
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [16.1362]
_cell_length_b [16.1362]
_cell_length_c [7.6473]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Cs8K]
_chemical_formula_sum '[Cs16 K2]'
_cell_volume [1991.1856]
_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  0.3281  0.0000  1
  Cs  Cs1  8  0.1613  0.8387  0.5000  1
  K  K2  2  0.0000  0.0000  0.0000  1
]