data_[Cs8Rb6Na8]
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 [Immm]
_cell_length_a [7.3789]
_cell_length_b [9.6772]
_cell_length_c [24.2732]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Cs4Rb3Na4]
_chemical_formula_sum '[Cs8 Rb6 Na8]'
_cell_volume [1733.2774]
_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  0.2416  0.6774  1
  Rb  Rb1  4  0.0000  0.0000  0.0928  1
  Rb  Rb2  2  0.0000  0.5000  0.0000  1
  Na  Na3  4  0.0000  0.3126  0.5000  1
  Na  Na4  4  0.0000  0.5000  0.1692  1
]