data_[K1Sn1Hg2Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Sn  1.9600  1.4500  0.8300
  Hg  2.0000  1.5000  1.2450
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [6.7081]
_cell_length_b [6.7885]
_cell_length_c [8.8272]
_cell_angle_alpha [82.7956]
_cell_angle_beta [76.3263]
_cell_angle_gamma [87.7949]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [KSn(HgCl4)2]
_chemical_formula_sum '[K1 Sn1 Hg2 Cl8]'
_cell_volume [387.4816]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.5000  1.0
  Sn  Sn1  1  0.0000  0.0000  0.0000  1.0
  Hg  Hg2  2  0.4736  0.4823  0.7402  1.0
  Cl  Cl3  2  0.2002  0.8165  0.1903  1.0
  Cl  Cl4  2  0.2486  0.3266  0.9753  1.0
  Cl  Cl5  2  0.2491  0.8580  0.7637  1.0
  Cl  Cl6  2  0.2706  0.3867  0.4834  1.0
]