data_Ag2HgAu
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.0
_cell_length_b   4.25
_cell_length_c   4.32
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ag2HgAu
_chemical_formula_sum   'Ag2 Hg1 Au1'
_cell_volume   73.63
_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
  Ag  Ag0  1  0.0  0.0  0.0  1.0
  Ag  Ag1  1  0.0  0.13  0.0  1.0
  Hg  Hg3  1  0.0  0.13  0.16  1.0
  Au  Au2  1  0.0  0.0  0.16  1.0

data_Ag2HgAu
_symmetry_space_group_name_H-M   Pm
_cell_length_a   4.25
_cell_length_b   4.0
_cell_length_c   4.32
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   6
_chemical_formula_structural   Ag2HgAu
_chemical_formula_sum   'Ag2 Hg1 Au1'
_cell_volume   73.63
_cell_formula_units_Z   1
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
  Ag  Ag0  1  0.0  0.0  0.0  1.0
  Ag  Ag1  1  0.13  0.0  0.0  1.0
  Hg  Hg2  1  0.13  0.0  0.16  1.0
  Au  Au3  1  0.0  0.0  0.16  1.0

Ag Ag Hg Au
Ag Ag Hg Au 0 1 o o o 2 3 o o o 