data_[Cs16K4Na2]
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 [C2/m]
_cell_length_a [26.6881]
_cell_length_b [7.8771]
_cell_length_c [10.4329]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.8590]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Cs8K2Na]
_chemical_formula_sum '[Cs16 K4 Na2]'
_cell_volume [2172.6589]
_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  4  0.0286  0.0000  0.7714  1
  Cs  Cs1  4  0.0880  0.5000  0.4078  1
  Cs  Cs2  4  0.1630  0.5000  0.9184  1
  Cs  Cs3  4  0.2172  0.0000  0.6402  1
  K  K4  4  0.1547  0.0000  0.1773  1
  Na  Na5  2  0.0000  0.5000  0.0000  1
]