data_[Rb12H2Br6F4]
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
  Br  2.9600  1.1500  0.8825
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.8048]
_cell_length_b [13.5186]
_cell_length_c [7.9945]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.9932]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb6HBr3F2]
_chemical_formula_sum '[Rb12 H2 Br6 F4]'
_cell_volume [797.5809]
_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  8  0.2405  0.1710  0.2089  1
  Rb  Rb1  4  0.2275  0.5000  0.2074  1
  H  H2  2  0.0000  0.0000  0.0000  1
  Br  Br3  4  0.0000  0.1643  0.5000  1
  Br  Br4  2  0.0000  0.5000  0.5000  1
  F  F5  4  0.0000  0.3329  0.0000  1
]