data_[Rb2H4F4]
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 [P-1]
_cell_length_a [4.3877]
_cell_length_b [5.7100]
_cell_length_c [6.8197]
_cell_angle_alpha [79.7682]
_cell_angle_beta [77.5447]
_cell_angle_gamma [74.0116]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [RbH2F2]
_chemical_formula_sum '[Rb2 H4 F4]'
_cell_volume [159.1086]
_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  0.2460  0.2131  0.2301  1.0
  H  H1  2  0.0053  0.7929  0.1995  1.0
  H  H2  2  0.4753  0.4458  0.5326  1.0
  F  F3  2  0.1700  0.1417  0.6580  1.0
  F  F4  2  0.1863  0.7259  0.0600  1.0
]