data_AsOsAu2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.37
_cell_length_b   5.37
_cell_length_c   5.37
_cell_angle_alpha   137.95
_cell_angle_beta   137.95
_cell_angle_gamma   60.98
_symmetry_Int_Tables_number   1
_chemical_formula_structural   AsOsAu2
_chemical_formula_sum   'As1 Os1 Au2'
_cell_volume   68.66
_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
  As  As0  1  0.0  0.0  0.0  1.0
  Os  Os3  1  0.0  0.0  0.63  1.0
  Au  Au1  1  0.93  0.0  0.31  1.0
  Au  Au2  1  0.0  0.93  0.31  1.0

data_AsOsAu2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.45
_cell_length_b   5.45
_cell_length_c   5.37
_cell_angle_alpha   90.0
_cell_angle_beta   120.49
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   AsOsAu2
_chemical_formula_sum   'As2 Os2 Au4'
_cell_volume   137.32
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  As  As0  2  0.0  0.0  0.0  1.0
  Os  Os1  2  0.37  0.0  0.37  1.0
  Au  Au2  4  0.15  0.46  0.61  1.0

As Os Au Au
OsAu2As crystallizes in the monoclinic Cm space group. Os(1) is bonded in a 5-coordinate geometry to four equivalent Au(1) and one As(1) atom. There are two shorter (1.41 Å) and two longer (3.33 Å) Os(1)-Au(1) bond lengths. The Os(1)-As(1) bond length is 2.01 Å. Au(1) is bonded in a distorted single-bond geometry to two equivalent Os(1), one Au(1), and one As(1) atom. The Au(1)-Au(1) bond length is 0.40 Å. The Au(1)-As(1) bond length is 1.99 Å. As(1) is bonded in a 3-coordinate geometry to one Os(1) and two equivalent Au(1) atoms.