data_[K2Rb2Hg2Bi4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  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 [Imm2]
_cell_length_a [4.6458]
_cell_length_b [5.8921]
_cell_length_c [15.4303]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [KRbHgBi2]
_chemical_formula_sum '[K2 Rb2 Hg2 Bi4]'
_cell_volume [422.3826]
_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  2  0.0000  0.0000  0.4456  1.0
  K  K1  2  0.0000  0.5000  0.1812  1.0
  Hg  Hg2  2  0.0000  0.0000  0.8439  1.0
  Bi  Bi3  2  0.0000  0.0000  0.0529  1.0
  Bi  Bi4  2  0.0000  0.5000  0.6886  1.0
]