data_[Rb4Ba4Na4]
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 [Cm]
_cell_length_a [15.5567]
_cell_length_b [4.5289]
_cell_length_c [11.5051]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.3892]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [RbBaNa]
_chemical_formula_sum '[Rb4 Ba4 Na4]'
_cell_volume [749.4854]
_cell_formula_units_Z [4]
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  0.2072  0.5000  0.1208  1.0
  Rb  Rb1  2  0.3927  0.0000  0.9332  1.0
  Ba  Ba2  2  0.0393  0.0000  0.3531  1.0
  Ba  Ba3  2  0.3505  0.0000  0.5083  1.0
  Na  Na4  2  0.0546  0.0000  0.7586  1.0
  Na  Na5  2  0.1857  0.5000  0.6487  1.0
]