data_Al2AgHg
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.11
_cell_length_b   4.91
_cell_length_c   5.16
_cell_angle_alpha   90.0
_cell_angle_beta   98.15
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Al2AgHg
_chemical_formula_sum   'Al2 Ag1 Hg1'
_cell_volume   78.0
_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
  Al  Al1  1  0.59  0.46  0.94  1.0
  Al  Al2  1  0.78  0.46  0.17  1.0
  Ag  Ag0  1  0.0  0.0  0.0  1.0
  Hg  Hg3  1  0.19  0.0  0.56  1.0

data_Al2AgHg
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.11
_cell_length_b   4.91
_cell_length_c   5.16
_cell_angle_alpha   90.0
_cell_angle_beta   98.15
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Al2AgHg
_chemical_formula_sum   'Al2 Ag1 Hg1'
_cell_volume   78.0
_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
  Al  Al0  1  0.59  0.46  0.94  1.0
  Al  Al1  1  0.78  0.46  0.17  1.0
  Ag  Ag2  1  0.0  0.0  0.0  1.0
  Hg  Hg3  1  0.19  0.0  0.56  1.0

Al Al Ag Hg
Al Al Ag Hg 0 1 o o + 0 2 + + + 0 2 + o + 0 2 o o + 0 3 o o o 1 2 + + o 1 2 + o o 1 3 + o o 2 3 - o - 2 3 o o - 2 3 o o o 2 2 + o o 3 3 + o o 
AgHgAl2 crystallizes in the triclinic P1 space group. Ag(1) is bonded in a 7-coordinate geometry to three equivalent Hg(1), two equivalent Al(2), and three equivalent Al(1) atoms. There are a spread of Ag(1)-Hg(1) bond distances ranging from 2.45-3.16 Å. There is one shorter (2.54 Å) and one longer (2.92 Å) Ag(1)-Al(2) bond length. There are a spread of Ag(1)-Al(1) bond distances ranging from 2.58-2.95 Å. Hg(1) is bonded in a 7-coordinate geometry to three equivalent Ag(1), two equivalent Hg(1), one Al(1), and one Al(2) atom. Both Hg(1)-Hg(1) bond lengths are 3.11 Å. The Hg(1)-Al(1) bond length is 3.14 Å. The Hg(1)-Al(2) bond length is 3.14 Å. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded in a distorted single-bond geometry to three equivalent Ag(1), one Hg(1), and one Al(2) atom. The Al(1)-Al(2) bond length is 1.26 Å. In the second Al site, Al(2) is bonded in a distorted single-bond geometry to two equivalent Ag(1), one Hg(1), and one Al(1) atom.