data_[Rb8Fe4H8Br20O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Fe  1.8300  1.4000  0.8525
  H  2.2000  0.2500  0.0000
  Br  2.9600  1.1500  0.8825
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [14.7587]
_cell_length_b [10.4965]
_cell_length_c [7.6337]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Rb2FeH2Br5O]
_chemical_formula_sum '[Rb8 Fe4 H8 Br20 O4]'
_cell_volume [1182.5686]
_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  0.1439  0.0017  0.1559  1
  Fe  Fe1  4  0.1131  0.7500  0.6943  1
  H  H2  8  0.0272  0.1737  0.5339  1
  Br  Br3  8  0.1025  0.5049  0.6813  1
  Br  Br4  4  0.0069  0.7500  0.9646  1
  Br  Br5  4  0.2203  0.7500  0.4309  1
  Br  Br6  4  0.2485  0.7500  0.8995  1
  O  O7  4  0.0027  0.2500  0.4747  1
]