data_[Rb1Na2O6]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [3.7912]
_cell_length_b [5.7411]
_cell_length_c [7.5982]
_cell_angle_alpha [109.5873]
_cell_angle_beta [90.9361]
_cell_angle_gamma [107.8926]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbNa2O6]
_chemical_formula_sum '[Rb1 Na2 O6]'
_cell_volume [146.9550]
_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
  Na  Na1  2  0.1685  0.3245  0.6174  1
  O  O2  2  0.2897  0.7584  0.6527  1
  O  O3  2  0.3912  0.7831  0.2172  1
  O  O4  2  0.3928  0.0310  0.3436  1
]