data_[Rb1Na1Os2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Na  0.9300  1.8000  1.1600
  Os  2.2000  1.3000  0.6730
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [6.0809]
_cell_length_b [6.0809]
_cell_length_c [7.9632]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [RbNa(OsO4)2]
_chemical_formula_sum '[Rb1 Na1 Os2 O8]'
_cell_volume [255.0082]
_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  0.0000  1.0
  Na  Na1  1  0.0000  0.0000  0.5000  1.0
  Os  Os2  2  0.3333  0.6667  0.2374  1.0
  O  O3  6  0.1742  0.3483  0.3072  1.0
  O  O4  2  0.3333  0.6667  0.0156  1.0
]