data_[Rb2Na4Al2F12]
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
  Al  1.6100  1.2500  0.6750
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [5.8956]
_cell_length_b [5.8815]
_cell_length_c [10.2328]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.1354]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [RbNa2AlF6]
_chemical_formula_sum '[Rb2 Na4 Al2 F12]'
_cell_volume [293.6892]
_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  0.0000  1.0
  Na  Na1  4  0.2166  0.0706  0.2243  1.0
  Al  Al2  2  0.0000  0.0000  0.5000  1.0
  F  F3  4  0.0285  0.2147  0.9408  1.0
  F  F4  4  0.1443  0.6233  0.8961  1.0
  F  F5  4  0.3460  0.0421  0.6836  1.0
]