data_[Rb8Ga4Bi8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ga  1.8100  1.3000  0.7600
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [7.8697]
_cell_length_b [15.2740]
_cell_length_c [7.3507]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Rb2GaBi2]
_chemical_formula_sum '[Rb8 Ga4 Bi8]'
_cell_volume [883.5614]
_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  0.1818  0.1406  0.0000  1
  Ga  Ga1  4  0.0000  0.5000  0.2500  1
  Bi  Bi2  8  0.1828  0.3962  0.0000  1
]