data_[Cs3Rb36Na18]
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 [R-3]
_cell_length_a [17.8269]
_cell_length_b [17.8269]
_cell_length_c [15.9666]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Cs(Rb2Na)6]
_chemical_formula_sum '[Cs3 Rb36 Na18]'
_cell_volume [4394.3838]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.0000  1.0
  Rb  Rb1  18  0.0209  0.4159  0.6416  1.0
  Rb  Rb2  18  0.0659  0.8820  0.2614  1.0
  Na  Na3  18  0.0702  0.2250  0.5126  1.0
]