data_TaGaAu2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.99
_cell_length_b   2.99
_cell_length_c   7.96
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   TaGaAu2
_chemical_formula_sum   'Ta1 Ga1 Au2'
_cell_volume   71.02
_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
  Ta  Ta3  1  0.0  0.0  0.98  1.0
  Ga  Ga2  1  0.0  0.0  0.0  1.0
  Au  Au0  1  0.49  0.49  0.95  1.0
  Au  Au1  1  0.49  0.49  0.01  1.0

data_TaGaAu2
_symmetry_space_group_name_H-M   P4mm
_cell_length_a   2.99
_cell_length_b   2.99
_cell_length_c   7.96
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   99
_chemical_formula_structural   TaGaAu2
_chemical_formula_sum   'Ta1 Ga1 Au2'
_cell_volume   71.02
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-y, x, z'
  3  '-x, -y, z'
  4  'y, -x, z'
  5  '-x, y, z'
  6  'y, x, z'
  7  'x, -y, z'
  8  '-y, -x, 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
  Ta  Ta0  1  0.0  0.0  0.98  1.0
  Ga  Ga1  1  0.0  0.0  0.0  1.0
  Au  Au2  1  0.5  0.5  0.01  1.0
  Au  Au3  1  0.5  0.5  0.95  1.0

Ta Ga Au Au
GaTa(Au)2 is alpha carbon monoxide-derived structured and crystallizes in the monoclinic Cm space group. The structure is zero-dimensional and consists of two Au clusters and two GaTa clusters. In each Au cluster, there are two inequivalent Au sites. In the first Au site, Au(1) is bonded in a single-bond geometry to one Au(2) atom. The Au(1)-Au(2) bond length is 0.43 Å. In the second Au site, Au(2) is bonded in a single-bond geometry to one Au(1) atom. In each GaTa cluster, Ta(1) is bonded in a single-bond geometry to one Ga(1) atom. The Ta(1)-Ga(1) bond length is 0.17 Å. Ga(1) is bonded in a single-bond geometry to one Ta(1) atom.