KH(IO3)2 crystallizes in the monoclinic P2_1/c space group. K(1) is bonded in a 9-coordinate geometry to one O(3), one O(5), one O(6), two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms. There are two inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to two equivalent O(2) atoms. In the second H site, H(2) is bonded in a linear geometry to two equivalent O(6) atoms. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to two equivalent K(1) and one I(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to two equivalent K(1), one H(1), and one I(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one K(1) and one I(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent K(1), one I(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(2) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one K(1), one H(2), and one I(2) atom. There are two inequivalent I sites. In the first I site, I(1) is bonded in a 3-coordinate geometry to one O(1), one O(2), one O(3), and one O(4) atom. In the second I site, I(2) is bonded in a 3-coordinate geometry to one O(4), one O(5), and one O(6) atom.
KH(IO3)2 crystallizes in the monoclinic P2_1/c space group. K(1) is bonded in a 9-coordinate geometry to one O(3), one O(5), one O(6), two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms. The K(1)-O(3) bond length is 3.21 Å. The K(1)-O(5) bond length is 2.76 Å. The K(1)-O(6) bond length is 3.06 Å. There is one shorter (2.78 Å) and one longer (3.10 Å) K(1)-O(1) bond length. There is one shorter (2.85 Å) and one longer (2.88 Å) K(1)-O(2) bond length. There is one shorter (2.93 Å) and one longer (2.96 Å) K(1)-O(4) bond length. There are two inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to two equivalent O(2) atoms. Both H(1)-O(2) bond lengths are 1.22 Å. In the second H site, H(2) is bonded in a linear geometry to two equivalent O(6) atoms. Both H(2)-O(6) bond lengths are 1.22 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to two equivalent K(1) and one I(1) atom. The O(1)-I(1) bond length is 1.82 Å. In the second O site, O(2) is bonded in a 4-coordinate geometry to two equivalent K(1), one H(1), and one I(1) atom. The O(2)-I(1) bond length is 1.89 Å. In the third O site, O(3) is bonded in a distorted single-bond geometry to one K(1) and one I(1) atom. The O(3)-I(1) bond length is 1.82 Å. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent K(1), one I(1), and one I(2) atom. The O(4)-I(1) bond length is 2.67 Å. The O(4)-I(2) bond length is 1.83 Å. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one K(1) and one I(2) atom. The O(5)-I(2) bond length is 1.84 Å. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one K(1), one H(2), and one I(2) atom. The O(6)-I(2) bond length is 1.88 Å. There are two inequivalent I sites. In the first I site, I(1) is bonded in a 3-coordinate geometry to one O(1), one O(2), one O(3), and one O(4) atom. In the second I site, I(2) is bonded in a 3-coordinate geometry to one O(4), one O(5), and one O(6) atom.