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.
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. The K(1)-O(1) bond length is 3.24 Å. The K(1)-O(2) bond length is 2.87 Å. The K(1)-O(3) bond length is 2.93 Å. The K(1)-O(4) bond length is 3.18 Å. The K(1)-O(5) bond length is 2.82 Å. The K(1)-O(7) bond length is 2.85 Å. The K(1)-O(8) bond length is 2.85 Å. The K(1)-O(9) bond length is 3.04 Å. Au(1) is bonded in a square co-planar geometry to one O(4), one O(6), and two equivalent O(9) atoms. The Au(1)-O(4) bond length is 2.03 Å. The Au(1)-O(6) bond length is 2.03 Å. Both Au(1)-O(9) bond lengths are 2.02 Å. 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. The O(1)-I(1) bond length is 1.84 Å. 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. The O(2)-I(1) bond length is 1.85 Å. The O(2)-I(4) bond length is 2.57 Å. 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. The O(3)-I(2) bond length is 1.82 Å. 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. The O(4)-I(2) bond length is 1.92 Å. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one K(1) and one I(3) atom. The O(5)-I(3) bond length is 1.83 Å. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Au(1) and one I(3) atom. The O(6)-I(3) bond length is 1.92 Å. 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. The O(7)-I(3) bond length is 2.67 Å. The O(7)-I(4) bond length is 1.83 Å. 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. The O(8)-I(4) bond length is 1.83 Å. 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. The O(9)-I(4) bond length is 1.93 Å. 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.