The compound described by K4Au8Ga crystallizes in the monoclinic C2/m space group. There are four inequivalent K sites. In the first K site, K(1) is bonded in a 12-coordinate geometry to one Au(2), one Au(3), two equivalent Au(4), two equivalent Au(5), two equivalent Au(6), and four equivalent Au(7) atoms. In the second K site, K(2) is bonded in a 10-coordinate geometry to two equivalent Au(1), two equivalent Au(5), two equivalent Au(6), and four equivalent Au(7) atoms. In the third K site, K(3) is bonded in a 8-coordinate geometry to three equivalent Au(1), three equivalent Au(2), four equivalent Au(6), and two equivalent Ga(1) atoms. In the fourth K site, K(4) is bonded in a 11-coordinate geometry to one Au(4), one Au(5), two equivalent Au(2), two equivalent Au(3), two equivalent Au(7), and four equivalent Au(6) atoms. There are seven inequivalent Au sites. In the first Au site, Au(7) is bonded in a 1-coordinate geometry to one K(4), two equivalent K(1), two equivalent K(2), one Au(4), one Au(5), and one Ga(1) atom. In the second Au site, Au(1) is bonded in a 1-coordinate geometry to two equivalent K(2), three equivalent K(3), one Au(5), two equivalent Au(6), and one Ga(1) atom. In the third Au site, Au(2) is bonded in a 1-coordinate geometry to one K(1), two equivalent K(4), three equivalent K(3), one Au(3), two equivalent Au(6), and one Ga(1) atom. In the fourth Au site, Au(3) is bonded to two equivalent K(1), four equivalent K(4), two equivalent Au(2), and four equivalent Au(6) atoms to form AuK6Au6 cuboctahedra that share corners with two equivalent Ga(1)K2Au4 tetrahedra, edges with two equivalent Au(3)K6Au6 cuboctahedra, and edges with four equivalent Au(4)K6Au6 cuboctahedra. In the fifth Au site, Au(4) is bonded to two equivalent K(4), four equivalent K(1), two equivalent Au(5), and four equivalent Au(7) atoms to form AuK6Au6 cuboctahedra that share corners with four equivalent Ga(1)K2Au4 tetrahedra, edges with two equivalent Au(4)K6Au6 cuboctahedra, and edges with four equivalent Au(3)K6Au6 cuboctahedra. In the sixth Au site, Au(5) is bonded in a 11-coordinate geometry to one K(4), two equivalent K(1), two equivalent K(2), one Au(1), one Au(4), two equivalent Au(6), and two equivalent Au(7) atoms. In the seventh Au site, Au(6) is bonded in a 12-coordinate geometry to one K(1), one K(2), two equivalent K(3), two equivalent K(4), one Au(1), one Au(2), one Au(3), one Au(5), and two equivalent Au(6) atoms. Ga(1) is bonded to two equivalent K(3), one Au(1), one Au(2), and two equivalent Au(7) atoms to form distorted GaK2Au4 tetrahedra that share  a cornercorner with one Au(3)K6Au6 cuboctahedra, corners with two equivalent Au(4)K6Au6 cuboctahedra, and corners with two equivalent Ga(1)K2Au4 tetrahedra. is represented by the CIF card [CIF]
data_K4GaAu8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.890
_cell_length_b   10.890
_cell_length_c   11.050
_cell_angle_alpha   83.084
_cell_angle_beta   83.084
_cell_angle_gamma   30.235
_symmetry_Int_Tables_number   1
_cell_volume   654.767
_cell_formula_units_Z   2
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
  K  K0  1  0.486  0.486  0.834  1.0
  K  K1  1  0.514  0.514  0.166  1.0
  K  K2  1  0.285  0.285  0.898  1.0
  K  K3  1  0.715  0.715  0.102  1.0
  K  K4  1  0.224  0.224  0.593  1.0
  K  K5  1  0.776  0.776  0.407  1.0
  K  K6  1  0.046  0.046  0.657  1.0
  K  K7  1  0.954  0.954  0.343  1.0
  Ga  Ga8  1  0.674  0.674  0.763  1.0
  Ga  Ga9  1  0.326  0.326  0.237  1.0
  Au  Au10  1  0.791  0.791  0.733  1.0
  Au  Au11  1  0.209  0.209  0.267  1.0
  Au  Au12  1  0.624  0.624  0.573  1.0
  Au  Au13  1  0.376  0.376  0.427  1.0
  Au  Au14  1  0.500  0.500  0.500  1.0
  Au  Au15  1  0.000  0.000  0.000  1.0
  Au  Au16  1  0.099  0.099  0.148  1.0
  Au  Au17  1  0.901  0.901  0.852  1.0
  Au  Au18  1  0.852  0.352  0.367  1.0
  Au  Au19  1  0.648  0.148  0.633  1.0
  Au  Au20  1  0.148  0.648  0.633  1.0
  Au  Au21  1  0.352  0.852  0.367  1.0
  Au  Au22  1  0.121  0.644  0.079  1.0
  Au  Au23  1  0.356  0.879  0.921  1.0
  Au  Au24  1  0.879  0.356  0.921  1.0
  Au  Au25  1  0.644  0.121  0.079  1.0
[/CIF]
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The compound described by K4Au8Ga crystallizes in the monoclinic C2/m space group. There are four inequivalent K sites. In the first K site, K(1) is bonded in a 12-coordinate geometry to one Au(2), one Au(3), two equivalent Au(4), two equivalent Au(5), two equivalent Au(6), and four equivalent Au(7) atoms. In the second K site, K(2) is bonded in a 10-coordinate geometry to two equivalent Au(1), two equivalent Au(5), two equivalent Au(6), and four equivalent Au(7) atoms. In the third K site, K(3) is bonded in a 8-coordinate geometry to three equivalent Au(1), three equivalent Au(2), four equivalent Au(6), and two equivalent Ga(1) atoms. In the fourth K site, K(4) is bonded in a 11-coordinate geometry to one Au(4), one Au(5), two equivalent Au(2), two equivalent Au(3), two equivalent Au(7), and four equivalent Au(6) atoms. There are seven inequivalent Au sites. In the first Au site, Au(7) is bonded in a 1-coordinate geometry to one K(4), two equivalent K(1), two equivalent K(2), one Au(4), one Au(5), and one Ga(1) atom. In the second Au site, Au(1) is bonded in a 1-coordinate geometry to two equivalent K(2), three equivalent K(3), one Au(5), two equivalent Au(6), and one Ga(1) atom. In the third Au site, Au(2) is bonded in a 1-coordinate geometry to one K(1), two equivalent K(4), three equivalent K(3), one Au(3), two equivalent Au(6), and one Ga(1) atom. In the fourth Au site, Au(3) is bonded to two equivalent K(1), four equivalent K(4), two equivalent Au(2), and four equivalent Au(6) atoms to form AuK6Au6 cuboctahedra that share corners with two equivalent Ga(1)K2Au4 tetrahedra, edges with two equivalent Au(3)K6Au6 cuboctahedra, and edges with four equivalent Au(4)K6Au6 cuboctahedra. In the fifth Au site, Au(4) is bonded to two equivalent K(4), four equivalent K(1), two equivalent Au(5), and four equivalent Au(7) atoms to form AuK6Au6 cuboctahedra that share corners with four equivalent Ga(1)K2Au4 tetrahedra, edges with two equivalent Au(4)K6Au6 cuboctahedra, and edges with four equivalent Au(3)K6Au6 cuboctahedra. In the sixth Au site, Au(5) is bonded in a 11-coordinate geometry to one K(4), two equivalent K(1), two equivalent K(2), one Au(1), one Au(4), two equivalent Au(6), and two equivalent Au(7) atoms. In the seventh Au site, Au(6) is bonded in a 12-coordinate geometry to one K(1), one K(2), two equivalent K(3), two equivalent K(4), one Au(1), one Au(2), one Au(3), one Au(5), and two equivalent Au(6) atoms. Ga(1) is bonded to two equivalent K(3), one Au(1), one Au(2), and two equivalent Au(7) atoms to form distorted GaK2Au4 tetrahedra that share  a cornercorner with one Au(3)K6Au6 cuboctahedra, corners with two equivalent Au(4)K6Au6 cuboctahedra, and corners with two equivalent Ga(1)K2Au4 tetrahedra. is represented by the CIF card [CIF]
data_K4GaAu8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.890
_cell_length_b   10.890
_cell_length_c   11.050
_cell_angle_alpha   83.084
_cell_angle_beta   83.084
_cell_angle_gamma   30.235
_symmetry_Int_Tables_number   1
_cell_volume   654.767
_cell_formula_units_Z   2
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
  K  K0  1  0.486  0.486  0.834  1.0
  K  K1  1  0.514  0.514  0.166  1.0
  K  K2  1  0.285  0.285  0.898  1.0
  K  K3  1  0.715  0.715  0.102  1.0
  K  K4  1  0.224  0.224  0.593  1.0
  K  K5  1  0.776  0.776  0.407  1.0
  K  K6  1  0.046  0.046  0.657  1.0
  K  K7  1  0.954  0.954  0.343  1.0
  Ga  Ga8  1  0.674  0.674  0.763  1.0
  Ga  Ga9  1  0.326  0.326  0.237  1.0
  Au  Au10  1  0.791  0.791  0.733  1.0
  Au  Au11  1  0.209  0.209  0.267  1.0
  Au  Au12  1  0.624  0.624  0.573  1.0
  Au  Au13  1  0.376  0.376  0.427  1.0
  Au  Au14  1  0.500  0.500  0.500  1.0
  Au  Au15  1  0.000  0.000  0.000  1.0
  Au  Au16  1  0.099  0.099  0.148  1.0
  Au  Au17  1  0.901  0.901  0.852  1.0
  Au  Au18  1  0.852  0.352  0.367  1.0
  Au  Au19  1  0.648  0.148  0.633  1.0
  Au  Au20  1  0.148  0.648  0.633  1.0
  Au  Au21  1  0.352  0.852  0.367  1.0
  Au  Au22  1  0.121  0.644  0.079  1.0
  Au  Au23  1  0.356  0.879  0.921  1.0
  Au  Au24  1  0.879  0.356  0.921  1.0
  Au  Au25  1  0.644  0.121  0.079  1.0
[/CIF]
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