data_[K2Rb24Hg12]
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
]
_symmetry_space_group_name_H-M [Im-3]
_cell_length_a [13.3721]
_cell_length_b [13.3721]
_cell_length_c [13.3721]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [204]
_chemical_formula_structural [K(Rb2Hg)6]
_chemical_formula_sum '[K2 Rb24 Hg12]'
_cell_volume [2391.1032]
_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  24  0.0000  0.1864  0.3080  1.0
  K  K1  2  0.0000  0.0000  0.0000  1.0
  Hg  Hg2  12  0.0000  0.3863  0.5000  1.0
]