K2(HF)TiF6 crystallizes in the monoclinic P2_1/m space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 11-coordinate geometry to three equivalent F(4), four equivalent F(3), and four equivalent F(5) atoms. In the second K site, K(2) is bonded in a 7-coordinate geometry to one F(1), one F(2), one F(4), two equivalent F(3), and two equivalent F(5) atoms. Ti(1) is bonded in an octahedral geometry to one F(2), one F(4), two equivalent F(3), and two equivalent F(5) atoms. H(1) is bonded in a linear geometry to one F(1) and one F(2) atom. There are five inequivalent F sites. In the first F site, F(1) is bonded in a distorted single-bond geometry to one K(2) and one H(1) atom. In the second F site, F(2) is bonded in a distorted trigonal planar geometry to one K(2), one Ti(1), and one H(1) atom. In the third F site, F(3) is bonded in a distorted single-bond geometry to one K(2), two equivalent K(1), and one Ti(1) atom. In the fourth F site, F(4) is bonded in a distorted single-bond geometry to one K(2), three equivalent K(1), and one Ti(1) atom. In the fifth F site, F(5) is bonded in a 4-coordinate geometry to one K(2), two equivalent K(1), and one Ti(1) atom.
K2(HF)TiF6 crystallizes in the monoclinic P2_1/m space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 11-coordinate geometry to three equivalent F(4), four equivalent F(3), and four equivalent F(5) atoms. There is one shorter (2.86 Å) and two longer (3.09 Å) K(1)-F(4) bond lengths. There are two shorter (2.93 Å) and two longer (2.99 Å) K(1)-F(3) bond lengths. There are two shorter (2.82 Å) and two longer (2.83 Å) K(1)-F(5) bond lengths. In the second K site, K(2) is bonded in a 7-coordinate geometry to one F(1), one F(2), one F(4), two equivalent F(3), and two equivalent F(5) atoms. The K(2)-F(1) bond length is 2.64 Å. The K(2)-F(2) bond length is 2.88 Å. The K(2)-F(4) bond length is 3.02 Å. Both K(2)-F(3) bond lengths are 2.73 Å. Both K(2)-F(5) bond lengths are 2.72 Å. Ti(1) is bonded in an octahedral geometry to one F(2), one F(4), two equivalent F(3), and two equivalent F(5) atoms. The Ti(1)-F(2) bond length is 1.92 Å. The Ti(1)-F(4) bond length is 1.90 Å. Both Ti(1)-F(3) bond lengths are 1.87 Å. Both Ti(1)-F(5) bond lengths are 1.90 Å. H(1) is bonded in a linear geometry to one F(1) and one F(2) atom. The H(1)-F(1) bond length is 0.98 Å. The H(1)-F(2) bond length is 1.53 Å. There are five inequivalent F sites. In the first F site, F(1) is bonded in a distorted single-bond geometry to one K(2) and one H(1) atom. In the second F site, F(2) is bonded in a distorted trigonal planar geometry to one K(2), one Ti(1), and one H(1) atom. In the third F site, F(3) is bonded in a distorted single-bond geometry to one K(2), two equivalent K(1), and one Ti(1) atom. In the fourth F site, F(4) is bonded in a distorted single-bond geometry to one K(2), three equivalent K(1), and one Ti(1) atom. In the fifth F site, F(5) is bonded in a 4-coordinate geometry to one K(2), two equivalent K(1), and one Ti(1) atom.