data_[Rb1Na2W1F8]
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
  W  2.3600  1.3500  0.7667
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [4.8587]
_cell_length_b [5.7113]
_cell_length_c [8.2418]
_cell_angle_alpha [88.7234]
_cell_angle_beta [89.0061]
_cell_angle_gamma [80.4885]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbNa2WF8]
_chemical_formula_sum '[Rb1 Na2 W1 F8]'
_cell_volume [225.4828]
_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  0.5000  1
  Na  Na1  2  0.4901  0.4930  0.6940  1
  W  W2  1  0.0000  0.0000  0.0000  1
  F  F3  2  0.1925  0.7995  0.1734  1
  F  F4  2  0.1939  0.7940  0.8319  1
  F  F5  2  0.2714  0.2057  0.9919  1
  F  F6  2  0.3706  0.2888  0.4976  1
]