data_ZnGaHg2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.25
_cell_length_b   4.23
_cell_length_c   6.32
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZnGaHg2
_chemical_formula_sum   'Zn1 Ga1 Hg2'
_cell_volume   87.01
_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  0.21  1.0
  Ga  Ga0  1  0.63  0.12  0.64  1.0
  Hg  Hg1  1  0.0  0.0  0.22  1.0
  Hg  Hg2  1  0.63  0.12  0.73  1.0

data_ZnGaHg2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.25
_cell_length_b   4.23
_cell_length_c   6.32
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZnGaHg2
_chemical_formula_sum   'Zn1 Ga1 Hg2'
_cell_volume   87.01
_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  0.0  0.21  1.0
  Ga  Ga1  1  0.63  0.12  0.64  1.0
  Hg  Hg2  1  0.0  0.0  0.22  1.0
  Hg  Hg3  1  0.63  0.12  0.73  1.0

Zn Ga Hg Hg