data_[K4Ag4Hg2Cl12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Ag  1.9300  1.6000  1.0867
  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 [7.3591]
_cell_length_b [13.9312]
_cell_length_c [6.7476]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.6386]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Ag2HgCl6]
_chemical_formula_sum '[K4 Ag4 Hg2 Cl12]'
_cell_volume [669.3131]
_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  4  0.0000  0.3359  0.5000  1
  Ag  Ag1  4  0.0000  0.1945  0.0000  1
  Hg  Hg2  2  0.0000  0.0000  0.5000  1
  Cl  Cl3  8  0.2109  0.1680  0.7694  1
  Cl  Cl4  4  0.2175  0.0000  0.2900  1
]