CsHIF7 crystallizes in the triclinic P-1 space group. Cs(1) is bonded in a 11-coordinate geometry to one H(1), one F(3), one F(6), one F(7), two equivalent F(4), two equivalent F(5), and three equivalent F(1) atoms. H(1) is bonded in a linear geometry to one Cs(1), one F(1), and one F(2) atom. I(1) is bonded in a 7-coordinate geometry to one F(3), one F(4), one F(5), one F(6), one F(7), and two equivalent F(2) atoms. There are seven inequivalent F sites. In the first F site, F(1) is bonded in a single-bond geometry to three equivalent Cs(1) and one H(1) atom. In the second F site, F(2) is bonded in a single-bond geometry to one H(1) and two equivalent I(1) atoms. In the third F site, F(3) is bonded in a distorted single-bond geometry to one Cs(1) and one I(1) atom. In the fourth F site, F(4) is bonded in a distorted single-bond geometry to two equivalent Cs(1) and one I(1) atom. In the fifth F site, F(5) is bonded in a distorted single-bond geometry to two equivalent Cs(1) and one I(1) atom. In the sixth F site, F(6) is bonded in a distorted single-bond geometry to one Cs(1) and one I(1) atom. In the seventh F site, F(7) is bonded in a distorted single-bond geometry to one Cs(1) and one I(1) atom.
CsHIF7 crystallizes in the triclinic P-1 space group. Cs(1) is bonded in a 11-coordinate geometry to one H(1), one F(3), one F(6), one F(7), two equivalent F(4), two equivalent F(5), and three equivalent F(1) atoms. The Cs(1)-H(1) bond length is 3.07 Å. The Cs(1)-F(3) bond length is 3.23 Å. The Cs(1)-F(6) bond length is 3.35 Å. The Cs(1)-F(7) bond length is 3.25 Å. There is one shorter (3.30 Å) and one longer (3.34 Å) Cs(1)-F(4) bond length. There is one shorter (3.27 Å) and one longer (3.32 Å) Cs(1)-F(5) bond length. There are a spread of Cs(1)-F(1) bond distances ranging from 2.99-3.13 Å. H(1) is bonded in a linear geometry to one Cs(1), one F(1), and one F(2) atom. The H(1)-F(1) bond length is 1.02 Å. The H(1)-F(2) bond length is 1.36 Å. I(1) is bonded in a 7-coordinate geometry to one F(3), one F(4), one F(5), one F(6), one F(7), and two equivalent F(2) atoms. The I(1)-F(3) bond length is 1.95 Å. The I(1)-F(4) bond length is 1.97 Å. The I(1)-F(5) bond length is 1.97 Å. The I(1)-F(6) bond length is 1.96 Å. The I(1)-F(7) bond length is 1.90 Å. There is one shorter (2.53 Å) and one longer (2.57 Å) I(1)-F(2) bond length. There are seven inequivalent F sites. In the first F site, F(1) is bonded in a single-bond geometry to three equivalent Cs(1) and one H(1) atom. In the second F site, F(2) is bonded in a single-bond geometry to one H(1) and two equivalent I(1) atoms. In the third F site, F(3) is bonded in a distorted single-bond geometry to one Cs(1) and one I(1) atom. In the fourth F site, F(4) is bonded in a distorted single-bond geometry to two equivalent Cs(1) and one I(1) atom. In the fifth F site, F(5) is bonded in a distorted single-bond geometry to two equivalent Cs(1) and one I(1) atom. In the sixth F site, F(6) is bonded in a distorted single-bond geometry to one Cs(1) and one I(1) atom. In the seventh F site, F(7) is bonded in a distorted single-bond geometry to one Cs(1) and one I(1) atom.