data_[Cs4K4Rb20Hg4]
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 [C2/c]
_cell_length_a [8.8734]
_cell_length_b [21.8648]
_cell_length_c [13.4028]
_cell_angle_alpha [90.0000]
_cell_angle_beta [95.9333]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [CsKRb5Hg]
_chemical_formula_sum '[Cs4 K4 Rb20 Hg4]'
_cell_volume [2586.4238]
_cell_formula_units_Z [4]
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  4  0.0000  0.4679  0.7500  1.0
  Rb  Rb1  8  0.1092  0.3351  0.4326  1.0
  Rb  Rb2  8  0.1192  0.0823  0.9347  1.0
  K  K3  4  0.0000  0.1572  0.2500  1.0
  Rb  Rb4  4  0.0000  0.2558  0.7500  1.0
  Hg  Hg5  4  0.2500  0.2500  0.0000  1.0
]