data_[Cs2Hg8Bi4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Hg  2.0000  1.5000  1.2450
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [5.8068]
_cell_length_b [14.9035]
_cell_length_c [5.6731]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Cs(Hg2Bi)2]
_chemical_formula_sum '[Cs2 Hg8 Bi4]'
_cell_volume [490.9615]
_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
[
  Cs  Cs0  2  0.0000  0.0000  0.0000  1
  Hg  Hg1  4  0.0000  0.1707  0.5000  1
  Hg  Hg2  4  0.0000  0.2881  0.0000  1
  Bi  Bi3  4  0.0000  0.3939  0.5000  1
]