data_[Rb6Hg8Bi4]
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 [C2/m]
_cell_length_a [12.9823]
_cell_length_b [5.1403]
_cell_length_c [10.9720]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.2763]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb3(Hg2Bi)2]
_chemical_formula_sum '[Rb6 Hg8 Bi4]'
_cell_volume [718.0559]
_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  0.1251  0.5000  0.3797  1.0
  Rb  Rb1  2  0.0000  0.0000  0.0000  1.0
  Hg  Hg2  4  0.0856  0.0000  0.6267  1.0
  Hg  Hg3  4  0.2110  0.5000  0.0821  1.0
  Bi  Bi4  4  0.1810  0.5000  0.7569  1.0
]