data_[K3Hg2Pb4]
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 [P-1]
_cell_length_a [5.5315]
_cell_length_b [7.0010]
_cell_length_c [9.8097]
_cell_angle_alpha [75.1046]
_cell_angle_beta [77.9294]
_cell_angle_gamma [66.9235]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [K3(HgPb2)2]
_chemical_formula_sum '[K3 Hg2 Pb4]'
_cell_volume [335.2295]
_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  2  0.3495  0.8728  0.3530  1.0
  K  K1  1  0.0000  0.0000  0.0000  1.0
  Hg  Hg2  2  0.3509  0.7187  0.7183  1.0
  Pb  Pb3  2  0.0280  0.4769  0.3190  1.0
  Pb  Pb4  2  0.3123  0.3540  0.0088  1.0
]