data_Hg2AsPt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.23
_cell_length_b   5.12
_cell_length_c   4.87
_cell_angle_alpha   90.0
_cell_angle_beta   91.65
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Hg2AsPt
_chemical_formula_sum   'Hg2 As1 Pt1'
_cell_volume   80.34
_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
  Hg  Hg1  1  0.78  0.56  0.23  1.0
  Hg  Hg2  1  0.31  0.56  0.63  1.0
  As  As0  1  0.0  0.0  0.0  1.0
  Pt  Pt3  1  0.54  0.0  0.43  1.0

data_Hg2AsPt
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.23
_cell_length_b   4.87
_cell_length_c   5.12
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   91.65
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Hg2AsPt
_chemical_formula_sum   'Hg2 As1 Pt1'
_cell_volume   80.34
_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
  Hg  Hg0  1  0.22  0.77  0.44  1.0
  Hg  Hg1  1  0.69  0.37  0.44  1.0
  As  As2  1  0.0  0.0  0.0  1.0
  Pt  Pt3  1  0.46  0.57  0.0  1.0

Hg Hg As Pt
PtHg2As crystallizes in the triclinic P1 space group. Pt(1) is bonded in a 7-coordinate geometry to two equivalent Hg(1), two equivalent Hg(2), and three equivalent As(1) atoms. There is one shorter (2.59 Å) and one longer (3.12 Å) Pt(1)-Hg(1) bond length. There is one shorter (2.59 Å) and one longer (3.12 Å) Pt(1)-Hg(2) bond length. There are a spread of Pt(1)-As(1) bond distances ranging from 2.61-3.09 Å. There are two inequivalent Hg sites. In the first Hg site, Hg(1) is bonded in a 2-coordinate geometry to two equivalent Pt(1), two equivalent Hg(2), and two equivalent As(1) atoms. There is one shorter (2.52 Å) and one longer (2.55 Å) Hg(1)-Hg(2) bond length. There is one shorter (2.63 Å) and one longer (3.16 Å) Hg(1)-As(1) bond length. In the second Hg site, Hg(2) is bonded in a 5-coordinate geometry to two equivalent Pt(1), two equivalent Hg(1), and one As(1) atom. The Hg(2)-As(1) bond length is 3.06 Å. As(1) is bonded in a 6-coordinate geometry to three equivalent Pt(1), one Hg(2), and two equivalent Hg(1) atoms.