data_[Rb6Ba3Na27]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ba  0.8900  2.1500  1.4900
  Na  0.9300  1.8000  1.1600
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [7.3479]
_cell_length_b [7.3479]
_cell_length_c [36.2202]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Rb2BaNa9]
_chemical_formula_sum '[Rb6 Ba3 Na27]'
_cell_volume [1693.6042]
_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
[
  Rb  Rb0  6  0.0000  0.0000  0.1406  1.0
  Ba  Ba1  3  0.0000  0.0000  0.0000  1.0
  Na  Na2  18  0.0007  0.5004  0.0792  1.0
  Na  Na3  6  0.0000  0.0000  0.3330  1.0
  Na  Na4  3  -0.0000  -0.0000  0.5000  1.0
]