data_ZnHg2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.2
_cell_length_b   7.2
_cell_length_c   5.52
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   151.42
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZnHg2
_chemical_formula_sum   'Zn2 Hg4'
_cell_volume   136.73
_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
  Zn  Zn4  1  0.78  0.42  0.14  1.0
  Zn  Zn5  1  0.78  0.58  0.38  1.0
  Hg  Hg0  1  0.78  0.24  0.14  1.0
  Hg  Hg1  1  0.78  0.31  0.38  1.0
  Hg  Hg2  1  0.78  0.69  0.14  1.0
  Hg  Hg3  1  0.78  0.76  0.38  1.0

data_ZnHg2
_symmetry_space_group_name_H-M   P-1
_cell_length_a   3.55
_cell_length_b   5.52
_cell_length_c   7.2
_cell_angle_alpha   90.0
_cell_angle_beta   104.29
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   ZnHg2
_chemical_formula_sum   'Zn2 Hg4'
_cell_volume   136.73
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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  2  0.42  0.62  0.42  1.0
  Hg  Hg1  2  0.24  0.62  0.24  1.0
  Hg  Hg2  2  0.31  0.38  0.31  1.0

Zn Zn Hg Hg Hg Hg