The structure described by K2Au(O3I)5 crystallizes in the orthorhombic Cmc2_1 space group. K(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), one O(7), one O(8), and one O(9) atom. Au(1) is bonded in a square co-planar geometry to one O(4), one O(6), and two equivalent O(9) atoms. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent K(1) and one I(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one K(1), one I(1), and one I(4) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one K(1) and one I(2) atom. In the fourth O site, O(4) is bonded in a distorted tetrahedral geometry to two equivalent K(1), one Au(1), and one I(2) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one K(1) and one I(3) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Au(1) and one I(3) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one K(1), one I(3), and one I(4) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one K(1) and one I(4) atom. In the ninth O site, O(9) is bonded in a distorted trigonal non-coplanar geometry to one K(1), one Au(1), and one I(4) atom. There are four inequivalent I sites. In the first I site, I(1) is bonded in a distorted trigonal non-coplanar geometry to one O(1) and two equivalent O(2) atoms. In the second I site, I(2) is bonded in a distorted trigonal non-coplanar geometry to one O(4) and two equivalent O(3) atoms. In the third I site, I(3) is bonded in a distorted octahedral geometry to one O(6), two equivalent O(5), and two equivalent O(7) atoms. In the fourth I site, I(4) is bonded in a 3-coordinate geometry to one O(2), one O(7), one O(8), and one O(9) atom. is represented by the CIF file [CIF]
data_K2Au(IO3)5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.373
_cell_length_b   8.373
_cell_length_c   11.871
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.769
_symmetry_Int_Tables_number   1
_cell_volume   832.224
_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  0.994  0.470  0.431  1.0
  K  K1  1  0.530  0.006  0.431  1.0
  K  K2  1  0.006  0.530  0.931  1.0
  K  K3  1  0.470  0.994  0.931  1.0
  Au  Au4  1  0.990  0.010  0.315  1.0
  Au  Au5  1  0.010  0.990  0.815  1.0
  I  I6  1  0.501  0.499  0.443  1.0
  I  I7  1  0.499  0.501  0.943  1.0
  I  I8  1  0.763  0.237  0.155  1.0
  I  I9  1  0.237  0.763  0.655  1.0
  I  I10  1  0.257  0.743  0.210  1.0
  I  I11  1  0.743  0.257  0.710  1.0
  I  I12  1  0.275  0.238  0.188  1.0
  I  I13  1  0.762  0.725  0.188  1.0
  I  I14  1  0.725  0.762  0.688  1.0
  I  I15  1  0.238  0.275  0.688  1.0
  O  O16  1  0.639  0.361  0.512  1.0
  O  O17  1  0.361  0.639  0.012  1.0
  O  O18  1  0.313  0.448  0.517  1.0
  O  O19  1  0.552  0.687  0.517  1.0
  O  O20  1  0.687  0.552  0.017  1.0
  O  O21  1  0.448  0.313  0.017  1.0
  O  O22  1  0.962  0.278  0.099  1.0
  O  O23  1  0.722  0.038  0.099  1.0
  O  O24  1  0.038  0.722  0.599  1.0
  O  O25  1  0.278  0.962  0.599  1.0
  O  O26  1  0.820  0.180  0.306  1.0
  O  O27  1  0.180  0.820  0.806  1.0
  O  O28  1  0.226  0.541  0.265  1.0
  O  O29  1  0.459  0.774  0.265  1.0
  O  O30  1  0.774  0.459  0.765  1.0
  O  O31  1  0.541  0.226  0.765  1.0
  O  O32  1  0.159  0.841  0.339  1.0
  O  O33  1  0.841  0.159  0.839  1.0
  O  O34  1  0.278  0.038  0.127  1.0
  O  O35  1  0.962  0.722  0.127  1.0
  O  O36  1  0.722  0.962  0.627  1.0
  O  O37  1  0.038  0.278  0.627  1.0
  O  O38  1  0.461  0.246  0.268  1.0
  O  O39  1  0.754  0.539  0.268  1.0
  O  O40  1  0.539  0.754  0.768  1.0
  O  O41  1  0.246  0.461  0.768  1.0
  O  O42  1  0.157  0.186  0.323  1.0
  O  O43  1  0.814  0.843  0.323  1.0
  O  O44  1  0.843  0.814  0.823  1.0
  O  O45  1  0.186  0.157  0.823  1.0
[/CIF]
.
The structure described by K2Au(O3I)5 crystallizes in the orthorhombic Cmc2_1 space group. K(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), one O(7), one O(8), and one O(9) atom. Au(1) is bonded in a square co-planar geometry to one O(4), one O(6), and two equivalent O(9) atoms. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent K(1) and one I(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one K(1), one I(1), and one I(4) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one K(1) and one I(2) atom. In the fourth O site, O(4) is bonded in a distorted tetrahedral geometry to two equivalent K(1), one Au(1), and one I(2) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one K(1) and one I(3) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Au(1) and one I(3) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one K(1), one I(3), and one I(4) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one K(1) and one I(4) atom. In the ninth O site, O(9) is bonded in a distorted trigonal non-coplanar geometry to one K(1), one Au(1), and one I(4) atom. There are four inequivalent I sites. In the first I site, I(1) is bonded in a distorted trigonal non-coplanar geometry to one O(1) and two equivalent O(2) atoms. In the second I site, I(2) is bonded in a distorted trigonal non-coplanar geometry to one O(4) and two equivalent O(3) atoms. In the third I site, I(3) is bonded in a distorted octahedral geometry to one O(6), two equivalent O(5), and two equivalent O(7) atoms. In the fourth I site, I(4) is bonded in a 3-coordinate geometry to one O(2), one O(7), one O(8), and one O(9) atom. is represented by the CIF file [CIF]
data_K2Au(IO3)5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.373
_cell_length_b   8.373
_cell_length_c   11.871
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.769
_symmetry_Int_Tables_number   1
_cell_volume   832.224
_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  0.994  0.470  0.431  1.0
  K  K1  1  0.530  0.006  0.431  1.0
  K  K2  1  0.006  0.530  0.931  1.0
  K  K3  1  0.470  0.994  0.931  1.0
  Au  Au4  1  0.990  0.010  0.315  1.0
  Au  Au5  1  0.010  0.990  0.815  1.0
  I  I6  1  0.501  0.499  0.443  1.0
  I  I7  1  0.499  0.501  0.943  1.0
  I  I8  1  0.763  0.237  0.155  1.0
  I  I9  1  0.237  0.763  0.655  1.0
  I  I10  1  0.257  0.743  0.210  1.0
  I  I11  1  0.743  0.257  0.710  1.0
  I  I12  1  0.275  0.238  0.188  1.0
  I  I13  1  0.762  0.725  0.188  1.0
  I  I14  1  0.725  0.762  0.688  1.0
  I  I15  1  0.238  0.275  0.688  1.0
  O  O16  1  0.639  0.361  0.512  1.0
  O  O17  1  0.361  0.639  0.012  1.0
  O  O18  1  0.313  0.448  0.517  1.0
  O  O19  1  0.552  0.687  0.517  1.0
  O  O20  1  0.687  0.552  0.017  1.0
  O  O21  1  0.448  0.313  0.017  1.0
  O  O22  1  0.962  0.278  0.099  1.0
  O  O23  1  0.722  0.038  0.099  1.0
  O  O24  1  0.038  0.722  0.599  1.0
  O  O25  1  0.278  0.962  0.599  1.0
  O  O26  1  0.820  0.180  0.306  1.0
  O  O27  1  0.180  0.820  0.806  1.0
  O  O28  1  0.226  0.541  0.265  1.0
  O  O29  1  0.459  0.774  0.265  1.0
  O  O30  1  0.774  0.459  0.765  1.0
  O  O31  1  0.541  0.226  0.765  1.0
  O  O32  1  0.159  0.841  0.339  1.0
  O  O33  1  0.841  0.159  0.839  1.0
  O  O34  1  0.278  0.038  0.127  1.0
  O  O35  1  0.962  0.722  0.127  1.0
  O  O36  1  0.722  0.962  0.627  1.0
  O  O37  1  0.038  0.278  0.627  1.0
  O  O38  1  0.461  0.246  0.268  1.0
  O  O39  1  0.754  0.539  0.268  1.0
  O  O40  1  0.539  0.754  0.768  1.0
  O  O41  1  0.246  0.461  0.768  1.0
  O  O42  1  0.157  0.186  0.323  1.0
  O  O43  1  0.814  0.843  0.323  1.0
  O  O44  1  0.843  0.814  0.823  1.0
  O  O45  1  0.186  0.157  0.823  1.0
[/CIF]
.