data_[Rb4Hg4Bi8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Hg  2.0000  1.5000  1.2450
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [9.2504]
_cell_length_b [5.6640]
_cell_length_c [11.0699]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [RbHgBi2]
_chemical_formula_sum '[Rb4 Hg4 Bi8]'
_cell_volume [580.0001]
_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  0.1592  0.2500  0.7928  1.0
  Hg  Hg1  4  0.1544  0.7500  0.0056  1.0
  Bi  Bi2  4  0.0237  0.2500  0.4191  1.0
  Bi  Bi3  4  0.1287  0.2500  0.1476  1.0
]