data_[Rb8H8F20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  H  2.2000  0.2500  0.0000
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [5.0423]
_cell_length_b [16.8669]
_cell_length_c [6.9348]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [Rb2H2F5]
_chemical_formula_sum '[Rb8 H8 F20]'
_cell_volume [589.7965]
_cell_formula_units_Z [4]
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  8  0.0000  0.1218  0.0117  1.0
  H  H1  4  0.0000  0.0000  0.5000  1.0
  H  H2  4  0.0000  0.2500  0.6220  1.0
  F  F3  8  0.0000  0.0194  0.3418  1.0
  F  F4  8  0.0000  0.1819  0.6263  1.0
  F  F5  4  0.2500  0.2500  0.2500  1.0
]