data_[Cs12Rb12Na8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Rb  0.8200  2.3500  1.6600
  Na  0.9300  1.8000  1.1600
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [6.0932]
_cell_length_b [17.0391]
_cell_length_c [26.5458]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Cs3Rb3Na2]
_chemical_formula_sum '[Cs12 Rb12 Na8]'
_cell_volume [2756.0481]
_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  0.0000  0.0554  0.6112  1
  Cs  Cs1  4  0.0000  0.3423  0.7500  1
  Rb  Rb2  8  0.0000  0.3519  0.5302  1
  Rb  Rb3  4  0.0000  0.3806  0.2500  1
  Na  Na4  8  0.0000  0.2320  0.1244  1
]