data_[Rb1Ba3Na8]
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 [P3m1]
_cell_length_a [7.2994]
_cell_length_b [7.2994]
_cell_length_c [12.2886]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [RbBa3Na8]
_chemical_formula_sum '[Rb1 Ba3 Na8]'
_cell_volume [567.0278]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.4361  1.0
  Ba  Ba1  1  0.0000  0.0000  0.0530  1.0
  Ba  Ba2  1  0.6667  0.3333  0.5716  1.0
  Ba  Ba3  1  0.6667  0.3333  0.9387  1.0
  Na  Na4  3  0.1650  0.8350  0.7552  1.0
  Na  Na5  3  0.5026  0.0052  0.2445  1.0
  Na  Na6  1  0.3333  0.6667  0.5020  1.0
  Na  Na7  1  0.3333  0.6667  0.9996  1.0
]