K2SbSO4F3 crystallizes in the orthorhombic P2_12_12_1 space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 9-coordinate geometry to one O(1), one O(3), one O(4), two equivalent F(1), two equivalent F(2), and two equivalent F(3) atoms. In the second K site, K(2) is bonded to one O(1), one O(2), two equivalent O(4), one F(1), one F(2), and one F(3) atom to form distorted KO4F3 pentagonal bipyramids that share corners with two equivalent K(2)O4F3 pentagonal bipyramids and corners with four equivalent S(1)O4 tetrahedra. Sb(1) is bonded in a 5-coordinate geometry to one O(2), one O(3), one F(1), one F(2), and one F(3) atom. S(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form SO4 tetrahedra that share corners with four equivalent K(2)O4F3 pentagonal bipyramids. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one K(1), one K(2), and one S(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one K(2), one Sb(1), and one S(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one K(1), one Sb(1), and one S(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one K(1), two equivalent K(2), and one S(1) atom. There are three inequivalent F sites. In the first F site, F(1) is bonded in a 4-coordinate geometry to one K(2), two equivalent K(1), and one Sb(1) atom. In the second F site, F(2) is bonded to one K(2), two equivalent K(1), and one Sb(1) atom to form a mixture of distorted corner and edge-sharing FK3Sb tetrahedra. In the third F site, F(3) is bonded to one K(2), two equivalent K(1), and one Sb(1) atom to form a mixture of distorted corner and edge-sharing FK3Sb tetrahedra.
K2SbSO4F3 crystallizes in the orthorhombic P2_12_12_1 space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 9-coordinate geometry to one O(1), one O(3), one O(4), two equivalent F(1), two equivalent F(2), and two equivalent F(3) atoms. The K(1)-O(1) bond length is 3.15 Å. The K(1)-O(3) bond length is 2.95 Å. The K(1)-O(4) bond length is 2.93 Å. There is one shorter (2.87 Å) and one longer (3.12 Å) K(1)-F(1) bond length. There is one shorter (2.73 Å) and one longer (2.85 Å) K(1)-F(2) bond length. There is one shorter (2.80 Å) and one longer (2.82 Å) K(1)-F(3) bond length. In the second K site, K(2) is bonded to one O(1), one O(2), two equivalent O(4), one F(1), one F(2), and one F(3) atom to form distorted KO4F3 pentagonal bipyramids that share corners with two equivalent K(2)O4F3 pentagonal bipyramids and corners with four equivalent S(1)O4 tetrahedra. The K(2)-O(1) bond length is 2.70 Å. The K(2)-O(2) bond length is 2.92 Å. There is one shorter (2.85 Å) and one longer (2.99 Å) K(2)-O(4) bond length. The K(2)-F(1) bond length is 2.75 Å. The K(2)-F(2) bond length is 2.75 Å. The K(2)-F(3) bond length is 2.86 Å. Sb(1) is bonded in a 5-coordinate geometry to one O(2), one O(3), one F(1), one F(2), and one F(3) atom. The Sb(1)-O(2) bond length is 2.36 Å. The Sb(1)-O(3) bond length is 2.45 Å. The Sb(1)-F(1) bond length is 2.05 Å. The Sb(1)-F(2) bond length is 1.99 Å. The Sb(1)-F(3) bond length is 2.03 Å. S(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form SO4 tetrahedra that share corners with four equivalent K(2)O4F3 pentagonal bipyramids. The S(1)-O(1) bond length is 1.47 Å. The S(1)-O(2) bond length is 1.52 Å. The S(1)-O(3) bond length is 1.52 Å. The S(1)-O(4) bond length is 1.48 Å. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one K(1), one K(2), and one S(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one K(2), one Sb(1), and one S(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one K(1), one Sb(1), and one S(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one K(1), two equivalent K(2), and one S(1) atom. There are three inequivalent F sites. In the first F site, F(1) is bonded in a 4-coordinate geometry to one K(2), two equivalent K(1), and one Sb(1) atom. In the second F site, F(2) is bonded to one K(2), two equivalent K(1), and one Sb(1) atom to form a mixture of distorted corner and edge-sharing FK3Sb tetrahedra. In the third F site, F(3) is bonded to one K(2), two equivalent K(1), and one Sb(1) atom to form a mixture of distorted corner and edge-sharing FK3Sb tetrahedra.