KO3 crystallizes in the tetragonal I4/mcm space group. There are eight inequivalent K sites. In the first K site, K(1) is bonded in a distorted body-centered cubic geometry to eight equivalent O(1) atoms. In the second K site, K(1) is bonded in a distorted body-centered cubic geometry to eight equivalent O(1) atoms. In the third K site, K(2) is bonded in a distorted body-centered cubic geometry to eight equivalent O(1) atoms. In the fourth K site, K(2) is bonded in a distorted body-centered cubic geometry to eight equivalent O(1) atoms. In the fifth K site, K(1) is bonded in a distorted body-centered cubic geometry to eight equivalent O(1) atoms. In the sixth K site, K(1) is bonded in a distorted body-centered cubic geometry to eight equivalent O(1) atoms. In the seventh K site, K(2) is bonded in a distorted body-centered cubic geometry to eight equivalent O(1) atoms. In the eighth K site, K(2) is bonded in a distorted body-centered cubic geometry to eight equivalent O(1) atoms. There are six inequivalent O sites. In the first O site, O(1) is bonded to two K(1,1); two K(2,2); and one O(2) atom to form a mixture of distorted corner, face, and edge-sharing OK4O square pyramids. In the second O site, O(2) is bonded in a bent 120 degrees geometry to two equivalent O(1) atoms. In the third O site, O(2) is bonded in a bent 120 degrees geometry to two equivalent O(1) atoms. In the fourth O site, O(2) is bonded in a bent 120 degrees geometry to two equivalent O(1) atoms. In the fifth O site, O(2) is bonded in a bent 120 degrees geometry to two equivalent O(1) atoms. In the sixth O site, O(2) is bonded in a bent 120 degrees geometry to two equivalent O(1) atoms.
KO3 crystallizes in the tetragonal I4/mcm space group. There are eight inequivalent K sites. In the first K site, K(1) is bonded in a distorted body-centered cubic geometry to eight equivalent O(1) atoms. All K(1)-O(1) bond lengths are 2.91 Å. In the second K site, K(1) is bonded in a distorted body-centered cubic geometry to eight equivalent O(1) atoms. All K(1)-O(1) bond lengths are 2.91 Å. In the third K site, K(2) is bonded in a distorted body-centered cubic geometry to eight equivalent O(1) atoms. All K(2)-O(1) bond lengths are 2.92 Å. In the fourth K site, K(2) is bonded in a distorted body-centered cubic geometry to eight equivalent O(1) atoms. All K(2)-O(1) bond lengths are 2.92 Å. In the fifth K site, K(1) is bonded in a distorted body-centered cubic geometry to eight equivalent O(1) atoms. All K(1)-O(1) bond lengths are 2.91 Å. In the sixth K site, K(1) is bonded in a distorted body-centered cubic geometry to eight equivalent O(1) atoms. All K(1)-O(1) bond lengths are 2.91 Å. In the seventh K site, K(2) is bonded in a distorted body-centered cubic geometry to eight equivalent O(1) atoms. All K(2)-O(1) bond lengths are 2.92 Å. In the eighth K site, K(2) is bonded in a distorted body-centered cubic geometry to eight equivalent O(1) atoms. All K(2)-O(1) bond lengths are 2.92 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded to two K(1,1); two K(2,2); and one O(2) atom to form a mixture of distorted corner, face, and edge-sharing OK4O square pyramids. The O(1)-O(2) bond length is 1.37 Å. In the second O site, O(2) is bonded in a bent 120 degrees geometry to two equivalent O(1) atoms. Both O(2)-O(1) bond lengths are 1.37 Å. In the third O site, O(2) is bonded in a bent 120 degrees geometry to two equivalent O(1) atoms. In the fourth O site, O(2) is bonded in a bent 120 degrees geometry to two equivalent O(1) atoms. Both O(2)-O(1) bond lengths are 1.37 Å. In the fifth O site, O(2) is bonded in a bent 120 degrees geometry to two equivalent O(1) atoms. Both O(2)-O(1) bond lengths are 1.37 Å. In the sixth O site, O(2) is bonded in a bent 120 degrees geometry to two equivalent O(1) atoms. Both O(2)-O(1) bond lengths are 1.37 Å.