data_[Rb4Sn2Hg12Bi2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sn  1.9600  1.4500  0.8300
  Hg  2.0000  1.5000  1.2450
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Pmmn]
_cell_length_a [8.8214]
_cell_length_b [10.9964]
_cell_length_c [8.1886]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [Rb2SnHg6Bi]
_chemical_formula_sum '[Rb4 Sn2 Hg12 Bi2]'
_cell_volume [794.3186]
_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  0.0000  0.2203  0.7796  1.0
  Sn  Sn1  2  0.0000  0.0000  0.3756  1.0
  Hg  Hg2  4  0.0000  0.2718  0.3289  1.0
  Hg  Hg3  4  0.1750  0.5000  0.4927  1.0
  Hg  Hg4  4  0.2273  0.0000  0.1135  1.0
  Bi  Bi5  2  0.0000  0.5000  0.1022  1.0
]