data_[Rb1Na2Ag1F8]
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
  Ag  1.9300  1.6000  1.0867
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [4.8925]
_cell_length_b [5.1721]
_cell_length_c [7.8613]
_cell_angle_alpha [94.3825]
_cell_angle_beta [98.9603]
_cell_angle_gamma [90.5606]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbNa2AgF8]
_chemical_formula_sum '[Rb1 Na2 Ag1 F8]'
_cell_volume [195.8777]
_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  1.0
  Na  Na1  2  0.4544  0.4858  0.2242  1.0
  Ag  Ag2  1  0.0000  0.0000  0.0000  1.0
  F  F3  2  0.1554  0.7742  0.8263  1.0
  F  F4  2  0.2378  0.2971  0.9605  1.0
  F  F5  2  0.2912  0.4900  0.4973  1.0
  F  F6  2  0.3020  0.9093  0.2168  1.0
]