data_[K2Hg4Cl12]
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 [C2/m]
_cell_length_a [14.7218]
_cell_length_b [5.4050]
_cell_length_c [10.0569]
_cell_angle_alpha [90.0000]
_cell_angle_beta [130.0657]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K(HgCl3)2]
_chemical_formula_sum '[K2 Hg4 Cl12]'
_cell_volume [612.4235]
_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
[
  K  K0  2  0.0000  0.0000  0.5000  1.0
  Hg  Hg1  4  0.1735  0.0000  0.0842  1.0
  Cl  Cl2  4  0.0167  0.0000  0.1995  1.0
  Cl  Cl3  4  0.1564  0.5000  0.6150  1.0
  Cl  Cl4  4  0.1994  0.5000  0.0787  1.0
]