Materials Data on KAu(IO3)4 by Materials Project
KAu(O3I)4 crystallizes in the triclinic P1 space group. The structure is three-dimensional. K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.83–3.32 Å. Au3+ is bonded in a rectangular see-saw-like geometry to four O2- atoms. There are a spread of Au–O bond distances ranging from 2.01–2.03 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to one K1+ and one I5+ atom. The O–I bond length is 1.82 Å. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one K1+, one Au3+, and one I5+ atom. The O–I bond length is 1.91 Å. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to one Au3+ and one I5+ atom. The O–I bond length is 1.94 Å. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to one K1+ and two I5+ atoms. There are one shorter (1.82 Å) and one longer (2.65 Å) O–I bond lengths. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to one K1+ and one I5+ atom. The O–I bond length is 1.82 Å. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to one K1+ and one I5+ atom. The O–I bond length is 1.81 Å. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to one K1+ and one I5+ atom. The O–I bond length is 1.83 Å. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to one I5+ atom. The O–I bond length is 1.82 Å. In the ninth O2- site, O2- is bonded in a 1-coordinate geometry to one K1+ and one I5+ atom. The O–I bond length is 1.83 Å. In the tenth O2- site, O2- is bonded in a 2-coordinate geometry to one K1+, one Au3+, and one I5+ atom. The O–I bond length is 1.93 Å. In the eleventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one K1+, one Au3+, and one I5+ atom. The O–I bond length is 1.92 Å. In the twelfth O2- site, O2- is bonded in a distorted single-bond geometry to one I5+ atom. The O–I bond length is 1.83 Å. There are four inequivalent I5+ sites. In the first I5+ site, I5+ is bonded in a 3-coordinate geometry to four O2- atoms. In the second I5+ site, I5+ is bonded in a 3-coordinate geometry to three O2- atoms. In the third I5+ site, I5+ is bonded in a 3-coordinate geometry to three O2- atoms. In the fourth I5+ site, I5+ is bonded in a 3-coordinate geometry to three O2- atoms.