data_[Cs2K2Rb4Hg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  K  0.8200  2.2000  1.5200
  Rb  0.8200  2.3500  1.6600
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [5.7213]
_cell_length_b [11.7507]
_cell_length_c [10.1034]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [CsK(RbHg)2]
_chemical_formula_sum '[Cs2 K2 Rb4 Hg4]'
_cell_volume [679.2478]
_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  0.4201  0.9783  1.0
  Rb  Rb1  2  0.0000  0.1787  0.3622  1.0
  Rb  Rb2  2  0.5000  0.0805  0.0325  1.0
  K  K3  2  0.5000  0.3104  0.6524  1.0
  Hg  Hg4  2  0.0000  0.1259  0.7439  1.0
  Hg  Hg5  2  0.5000  0.3834  0.2762  1.0
]