data_Zn2HgPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.76
_cell_length_b   4.76
_cell_length_c   6.04
_cell_angle_alpha   102.8
_cell_angle_beta   102.8
_cell_angle_gamma   43.7
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Zn2HgPb
_chemical_formula_sum   'Zn2 Hg1 Pb1'
_cell_volume   92.0
_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  Zn2  1  0.29  0.0  0.17  1.0
  Zn  Zn3  1  0.12  0.0  0.7  1.0
  Hg  Hg0  1  0.0  0.0  0.0  1.0
  Pb  Pb1  1  0.7  0.0  0.93  1.0

data_Zn2HgPb
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.55
_cell_length_b   4.76
_cell_length_c   6.04
_cell_angle_alpha   102.8
_cell_angle_beta   90.0
_cell_angle_gamma   111.85
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Zn2HgPb
_chemical_formula_sum   'Zn2 Hg1 Pb1'
_cell_volume   92.0
_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  0.71  0.83  1.0
  Zn  Zn1  1  0.0  0.88  0.3  1.0
  Hg  Hg2  1  0.0  0.0  0.0  1.0
  Pb  Pb3  1  0.0  0.3  0.07  1.0

Zn Zn Hg Pb