data_ZnHg2Pb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.13
_cell_length_b   6.13
_cell_length_c   6.13
_cell_angle_alpha   144.8
_cell_angle_beta   129.07
_cell_angle_gamma   63.42
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZnHg2Pb
_chemical_formula_sum   'Zn1 Hg2 Pb1'
_cell_volume   101.76
_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
  Zn  Zn3  1  0.0  0.0  0.82  1.0
  Hg  Hg0  1  0.0  0.63  0.2  1.0
  Hg  Hg1  1  0.0  0.0  0.6  1.0
  Pb  Pb2  1  0.0  0.63  0.01  1.0

data_ZnHg2Pb
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.71
_cell_length_b   5.27
_cell_length_c   6.13
_cell_angle_alpha   115.47
_cell_angle_beta   107.6
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZnHg2Pb
_chemical_formula_sum   'Zn1 Hg2 Pb1'
_cell_volume   101.76
_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
  Zn  Zn0  1  0.0  0.82  0.82  1.0
  Hg  Hg1  1  0.0  0.6  0.6  1.0
  Hg  Hg2  1  0.37  0.57  0.57  1.0
  Pb  Pb3  1  0.37  0.38  0.38  1.0

Zn Hg Hg Pb