data_KHgPb2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.99
_cell_length_b   6.99
_cell_length_c   6.99
_cell_angle_alpha   148.11
_cell_angle_beta   131.07
_cell_angle_gamma   59.6
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KHgPb2
_chemical_formula_sum   'K1 Hg1 Pb2'
_cell_volume   134.99
_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  K1  1  0.0  0.0  0.0  1.0
  Hg  Hg0  1  0.0  0.0  0.07  1.0
  Pb  Pb2  1  0.0  0.9  0.58  1.0
  Pb  Pb3  1  0.92  0.0  0.49  1.0

data_KHgPb2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.84
_cell_length_b   5.79
_cell_length_c   6.99
_cell_angle_alpha   114.46
_cell_angle_beta   105.94
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KHgPb2
_chemical_formula_sum   'K1 Hg1 Pb2'
_cell_volume   134.99
_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  0.0  0.0  0.0  1.0
  Hg  Hg1  1  0.93  0.93  0.93  1.0
  Pb  Pb2  1  0.42  0.32  0.32  1.0
  Pb  Pb3  1  0.43  0.51  0.43  1.0

K Hg Pb Pb