data_[Rb2Ba2Na12]
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 [Amm2]
_cell_length_a [6.4007]
_cell_length_b [8.3946]
_cell_length_c [14.1130]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [RbBaNa6]
_chemical_formula_sum '[Rb2 Ba2 Na12]'
_cell_volume [758.3116]
_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
[
  Rb  Rb0  2  0.5000  0.0000  0.4079  1
  Ba  Ba1  2  0.0000  0.0000  0.0917  1
  Na  Na2  4  0.0000  0.2128  0.8272  1
  Na  Na3  4  0.5000  0.2198  0.6699  1
  Na  Na4  2  0.0000  0.0000  0.5971  1
  Na  Na5  2  0.5000  0.0000  0.9089  1
]