Co(IO3)2 crystallizes in the trigonal P3 space group. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in an octahedral geometry to one O(2), one O(3), one O(4), one O(6), one O(7), and one O(8) atom. In the second Co site, Co(2) is bonded in an octahedral geometry to three equivalent O(1) and three equivalent O(5) atoms. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Co(2) and one I(1) atom. In the second O site, O(2) is bonded in a water-like geometry to one Co(1) and one I(1) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Co(1) and one I(2) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Co(1) and one I(1) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Co(2) and one I(3) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Co(1) and one I(3) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Co(1) and one I(3) atom. In the eighth O site, O(8) is bonded in a water-like geometry to one Co(1) and one I(4) atom. There are four inequivalent I sites. In the first I site, I(1) is bonded in a 3-coordinate geometry to one O(1), one O(2), and one O(4) atom. In the second I site, I(2) is bonded in a trigonal non-coplanar geometry to three equivalent O(3) atoms. In the third I site, I(3) is bonded in a 3-coordinate geometry to one O(5), one O(6), and one O(7) atom. In the fourth I site, I(4) is bonded in a 3-coordinate geometry to three equivalent O(8) atoms.
Co(IO3)2 crystallizes in the trigonal P3 space group. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in an octahedral geometry to one O(2), one O(3), one O(4), one O(6), one O(7), and one O(8) atom. The Co(1)-O(2) bond length is 2.11 Å. The Co(1)-O(3) bond length is 2.15 Å. The Co(1)-O(4) bond length is 2.07 Å. The Co(1)-O(6) bond length is 2.12 Å. The Co(1)-O(7) bond length is 2.16 Å. The Co(1)-O(8) bond length is 2.10 Å. In the second Co site, Co(2) is bonded in an octahedral geometry to three equivalent O(1) and three equivalent O(5) atoms. All Co(2)-O(1) bond lengths are 2.11 Å. All Co(2)-O(5) bond lengths are 2.11 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Co(2) and one I(1) atom. The O(1)-I(1) bond length is 1.85 Å. In the second O site, O(2) is bonded in a water-like geometry to one Co(1) and one I(1) atom. The O(2)-I(1) bond length is 1.85 Å. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Co(1) and one I(2) atom. The O(3)-I(2) bond length is 1.84 Å. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Co(1) and one I(1) atom. The O(4)-I(1) bond length is 1.84 Å. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Co(2) and one I(3) atom. The O(5)-I(3) bond length is 1.85 Å. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Co(1) and one I(3) atom. The O(6)-I(3) bond length is 1.85 Å. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Co(1) and one I(3) atom. The O(7)-I(3) bond length is 1.84 Å. In the eighth O site, O(8) is bonded in a water-like geometry to one Co(1) and one I(4) atom. The O(8)-I(4) bond length is 1.85 Å. There are four inequivalent I sites. In the first I site, I(1) is bonded in a 3-coordinate geometry to one O(1), one O(2), and one O(4) atom. In the second I site, I(2) is bonded in a trigonal non-coplanar geometry to three equivalent O(3) atoms. In the third I site, I(3) is bonded in a 3-coordinate geometry to one O(5), one O(6), and one O(7) atom. In the fourth I site, I(4) is bonded in a 3-coordinate geometry to three equivalent O(8) atoms.