data_[K18Hg3Cl24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Hg  2.0000  1.5000  1.2450
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [9.3008]
_cell_length_b [9.3008]
_cell_length_c [18.5998]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [K6HgCl8]
_chemical_formula_sum '[K18 Hg3 Cl24]'
_cell_volume [1393.4130]
_cell_formula_units_Z [3]
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
[
  K  K0  18  0.0205  0.4002  0.9211  1
  Hg  Hg1  3  0.0000  0.0000  0.0000  1
  Cl  Cl2  18  0.0124  0.2471  0.0851  1
  Cl  Cl3  6  0.0000  0.0000  0.3410  1
]