data_[Cs2K4Rb2Hg4]
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 [5.6656]
_cell_length_b [11.7358]
_cell_length_c [9.9427]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [CsK2RbHg2]
_chemical_formula_sum '[Cs2 K4 Rb2 Hg4]'
_cell_volume [661.0935]
_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  0.4137  0.9802  1.0
  K  K1  2  0.0000  0.1756  0.3613  1.0
  K  K2  2  0.5000  0.0739  0.0379  1.0
  Rb  Rb3  2  0.5000  0.3098  0.6532  1.0
  Hg  Hg4  2  0.0000  0.1144  0.7439  1.0
  Hg  Hg5  2  0.5000  0.3681  0.2691  1.0
]