data_[Cs12K16Na8]
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/c]
_cell_length_a [19.4623]
_cell_length_b [14.5850]
_cell_length_c [10.4749]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.3967]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Cs3(K2Na)2]
_chemical_formula_sum '[Cs12 K16 Na8]'
_cell_volume [2866.6598]
_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  8  0.1200  0.0918  0.6807  1.0
  Cs  Cs1  4  0.0000  0.4372  0.7500  1.0
  K  K2  8  0.0949  0.2476  0.1535  1.0
  K  K3  8  0.1929  0.3878  0.5411  1.0
  Na  Na4  8  0.2251  0.3579  0.9322  1.0
]