data_[Cs4Rb10Na8]
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 [C2/m]
_cell_length_a [18.8050]
_cell_length_b [8.9095]
_cell_length_c [12.8205]
_cell_angle_alpha [90.0000]
_cell_angle_beta [129.9459]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Cs2Rb5Na4]
_chemical_formula_sum '[Cs4 Rb10 Na8]'
_cell_volume [1646.7585]
_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  0.2039  0.5000  0.7156  1.0
  Rb  Rb1  8  0.0030  0.2505  0.1834  1.0
  Rb  Rb2  2  0.0000  0.0000  0.5000  1.0
  Na  Na3  4  0.2450  0.0000  0.5765  1.0
  Na  Na4  4  0.2461  0.5000  0.1133  1.0
]