data_[K6Hg8Pb4]
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
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.2241]
_cell_length_b [5.1722]
_cell_length_c [10.0499]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.7786]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K3(Hg2Pb)2]
_chemical_formula_sum '[K6 Hg8 Pb4]'
_cell_volume [638.3243]
_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  0.1306  0.5000  0.6906  1.0
  K  K1  2  0.0000  0.0000  0.0000  1.0
  Hg  Hg2  4  0.0825  0.0000  0.4260  1.0
  Hg  Hg3  4  0.2305  0.5000  0.0694  1.0
  Pb  Pb4  4  0.1670  0.5000  0.3405  1.0
]