KUPO7F crystallizes in the monoclinic P2_1/c space group. K(1) is bonded in a 7-coordinate geometry to one O(1), one O(2), one O(4), one O(5), one O(7), two equivalent O(6), and one F(1) atom. U(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and two equivalent F(1) atoms to form distorted UO5F2 pentagonal bipyramids that share corners with two equivalent U(1)O5F2 pentagonal bipyramids and corners with three equivalent P(1)O4 tetrahedra. P(1) is bonded to one O(1), one O(2), one O(3), and one O(6) atom to form PO4 tetrahedra that share corners with three equivalent U(1)O5F2 pentagonal bipyramids. There are seven inequivalent O sites. In the first O site, O(6) is bonded in a distorted single-bond geometry to two equivalent K(1) and one P(1) atom. In the second O site, O(7) is bonded in a single-bond geometry to one K(1) atom. In the third O site, O(1) is bonded in a 3-coordinate geometry to one K(1), one U(1), and one P(1) atom. In the fourth O site, O(2) is bonded in a 3-coordinate geometry to one K(1), one U(1), and one P(1) atom. In the fifth O site, O(3) is bonded in a distorted single-bond geometry to one U(1) and one P(1) atom. In the sixth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one K(1) and one U(1) atom. In the seventh O site, O(5) is bonded in a distorted single-bond geometry to one K(1) and one U(1) atom. F(1) is bonded in a 3-coordinate geometry to one K(1) and two equivalent U(1) atoms.
KUPO7F crystallizes in the monoclinic P2_1/c space group. K(1) is bonded in a 7-coordinate geometry to one O(1), one O(2), one O(4), one O(5), one O(7), two equivalent O(6), and one F(1) atom. The K(1)-O(1) bond length is 2.83 Å. The K(1)-O(2) bond length is 2.96 Å. The K(1)-O(4) bond length is 2.73 Å. The K(1)-O(5) bond length is 2.82 Å. The K(1)-O(7) bond length is 3.40 Å. There is one shorter (2.87 Å) and one longer (2.99 Å) K(1)-O(6) bond length. The K(1)-F(1) bond length is 3.01 Å. U(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and two equivalent F(1) atoms to form distorted UO5F2 pentagonal bipyramids that share corners with two equivalent U(1)O5F2 pentagonal bipyramids and corners with three equivalent P(1)O4 tetrahedra. The U(1)-O(1) bond length is 2.33 Å. The U(1)-O(2) bond length is 2.33 Å. The U(1)-O(3) bond length is 2.41 Å. The U(1)-O(4) bond length is 1.81 Å. The U(1)-O(5) bond length is 1.82 Å. There is one shorter (2.35 Å) and one longer (2.39 Å) U(1)-F(1) bond length. P(1) is bonded to one O(1), one O(2), one O(3), and one O(6) atom to form PO4 tetrahedra that share corners with three equivalent U(1)O5F2 pentagonal bipyramids. The P(1)-O(1) bond length is 1.53 Å. The P(1)-O(2) bond length is 1.54 Å. The P(1)-O(3) bond length is 1.56 Å. The P(1)-O(6) bond length is 1.56 Å. There are seven inequivalent O sites. In the first O site, O(6) is bonded in a distorted single-bond geometry to two equivalent K(1) and one P(1) atom. In the second O site, O(7) is bonded in a single-bond geometry to one K(1) atom. In the third O site, O(1) is bonded in a 3-coordinate geometry to one K(1), one U(1), and one P(1) atom. In the fourth O site, O(2) is bonded in a 3-coordinate geometry to one K(1), one U(1), and one P(1) atom. In the fifth O site, O(3) is bonded in a distorted single-bond geometry to one U(1) and one P(1) atom. In the sixth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one K(1) and one U(1) atom. In the seventh O site, O(5) is bonded in a distorted single-bond geometry to one K(1) and one U(1) atom. F(1) is bonded in a 3-coordinate geometry to one K(1) and two equivalent U(1) atoms.