data_[Rb8H4Pb4Br20]
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
  Pb  2.3300  1.8000  1.1225
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [4.6746]
_cell_length_b [19.8833]
_cell_length_c [13.9966]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Rb2HPbBr5]
_chemical_formula_sum '[Rb8 H4 Pb4 Br20]'
_cell_volume [1300.9236]
_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  4  0.0000  0.1262  0.6876  1.0
  Rb  Rb1  4  0.0000  0.1403  0.3538  1.0
  H  H2  4  0.0000  0.4813  0.3863  1.0
  Pb  Pb3  4  0.0000  0.1699  0.0225  1.0
  Br  Br4  4  0.0000  0.0218  0.0195  1.0
  Br  Br5  4  0.0000  0.3157  0.6695  1.0
  Br  Br6  4  0.0000  0.3191  0.3725  1.0
  Br  Br7  4  0.0000  0.3276  0.0235  1.0
  Br  Br8  4  0.0000  0.4934  0.7887  1.0
]