data_[Cs10K8Na8]
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
]
_symmetry_space_group_name_H-M [I4/m]
_cell_length_a [17.5925]
_cell_length_b [17.5925]
_cell_length_c [6.3621]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [87]
_chemical_formula_structural [Cs5(KNa)4]
_chemical_formula_sum '[Cs10 K8 Na8]'
_cell_volume [1969.0655]
_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  0.1297  0.2036  0.5000  1
  Cs  Cs1  2  0.0000  0.0000  0.0000  1
  K  K2  8  0.0815  0.6063  0.5000  1
  Na  Na3  8  0.0601  0.7513  0.0000  1
]