CsCS(OF)3 crystallizes in the monoclinic P2_1 space group. Cs(1) is bonded in a 9-coordinate geometry to two equivalent O(2), two equivalent O(3), three equivalent O(1), one F(1), and one F(3) atom. C(1) is bonded in a trigonal non-coplanar geometry to one F(1), one F(2), and one F(3) atom. S(1) is bonded in a distorted trigonal non-coplanar geometry to one O(1), one O(2), and one O(3) atom. There are three inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to three equivalent Cs(1) and one S(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to two equivalent Cs(1) and one S(1) atom. In the third O site, O(3) is bonded in a single-bond geometry to two equivalent Cs(1) and one S(1) atom. There are three inequivalent F sites. In the first F site, F(1) is bonded in a single-bond geometry to one Cs(1) and one C(1) atom. In the second F site, F(2) is bonded in a single-bond geometry to one C(1) atom. In the third F site, F(3) is bonded in a single-bond geometry to one Cs(1) and one C(1) atom.
CsCS(OF)3 crystallizes in the monoclinic P2_1 space group. Cs(1) is bonded in a 9-coordinate geometry to two equivalent O(2), two equivalent O(3), three equivalent O(1), one F(1), and one F(3) atom. There is one shorter (3.09 Å) and one longer (3.26 Å) Cs(1)-O(2) bond length. There is one shorter (3.20 Å) and one longer (3.27 Å) Cs(1)-O(3) bond length. There are a spread of Cs(1)-O(1) bond distances ranging from 3.27-3.44 Å. The Cs(1)-F(1) bond length is 3.48 Å. The Cs(1)-F(3) bond length is 3.74 Å. C(1) is bonded in a trigonal non-coplanar geometry to one F(1), one F(2), and one F(3) atom. The C(1)-F(1) bond length is 1.36 Å. The C(1)-F(2) bond length is 1.36 Å. The C(1)-F(3) bond length is 1.36 Å. S(1) is bonded in a distorted trigonal non-coplanar geometry to one O(1), one O(2), and one O(3) atom. The S(1)-O(1) bond length is 1.46 Å. The S(1)-O(2) bond length is 1.46 Å. The S(1)-O(3) bond length is 1.46 Å. There are three inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to three equivalent Cs(1) and one S(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to two equivalent Cs(1) and one S(1) atom. In the third O site, O(3) is bonded in a single-bond geometry to two equivalent Cs(1) and one S(1) atom. There are three inequivalent F sites. In the first F site, F(1) is bonded in a single-bond geometry to one Cs(1) and one C(1) atom. In the second F site, F(2) is bonded in a single-bond geometry to one C(1) atom. In the third F site, F(3) is bonded in a single-bond geometry to one Cs(1) and one C(1) atom.