data_[Rb2Ag2H4F8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ag  1.9300  1.6000  1.0867
  H  2.2000  0.2500  0.0000
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [I222]
_cell_length_a [5.3727]
_cell_length_b [6.2366]
_cell_length_c [7.2665]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [23]
_chemical_formula_structural [RbAgH2F4]
_chemical_formula_sum '[Rb2 Ag2 H4 F8]'
_cell_volume [243.4817]
_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  0.0000  0.0000  0.0000  1.0
  Ag  Ag1  2  0.0000  0.0000  0.5000  1.0
  H  H2  4  0.0000  0.5000  0.1990  1.0
  F  F3  8  0.1687  0.3847  0.7991  1.0
]