data_[Rb10Bi8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.3576]
_cell_length_b [5.8914]
_cell_length_c [12.1084]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.4947]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb5Bi4]
_chemical_formula_sum '[Rb10 Bi8]'
_cell_volume [886.6065]
_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  4  0.0992  0.0000  0.3904  1.0
  Rb  Rb1  4  0.2441  0.0000  0.8323  1.0
  Rb  Rb2  2  0.0000  0.0000  0.0000  1.0
  Bi  Bi3  4  0.0443  0.5000  0.8239  1.0
  Bi  Bi4  4  0.1051  0.5000  0.6075  1.0
]