K2PO3F crystallizes in the orthorhombic Pnma space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 7-coordinate geometry to two equivalent O(1), four equivalent O(2), and one F(1) atom. In the second K site, K(2) is bonded in a 8-coordinate geometry to three equivalent O(1), four equivalent O(2), and one F(1) atom. P(1) is bonded in a tetrahedral geometry to one O(1), two equivalent O(2), and one F(1) atom. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent K(1), three equivalent K(2), and one P(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to two equivalent K(1), two equivalent K(2), and one P(1) atom. F(1) is bonded in a distorted single-bond geometry to one K(1), one K(2), and one P(1) atom.
K2PO3F crystallizes in the orthorhombic Pnma space group. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 7-coordinate geometry to two equivalent O(1), four equivalent O(2), and one F(1) atom. There is one shorter (2.81 Å) and one longer (3.14 Å) K(1)-O(1) bond length. There are two shorter (2.72 Å) and two longer (2.77 Å) K(1)-O(2) bond lengths. The K(1)-F(1) bond length is 2.81 Å. In the second K site, K(2) is bonded in a 8-coordinate geometry to three equivalent O(1), four equivalent O(2), and one F(1) atom. There is one shorter (2.92 Å) and two longer (3.05 Å) K(2)-O(1) bond lengths. There are two shorter (2.99 Å) and two longer (3.07 Å) K(2)-O(2) bond lengths. The K(2)-F(1) bond length is 2.72 Å. P(1) is bonded in a tetrahedral geometry to one O(1), two equivalent O(2), and one F(1) atom. The P(1)-O(1) bond length is 1.52 Å. Both P(1)-O(2) bond lengths are 1.52 Å. The P(1)-F(1) bond length is 1.67 Å. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent K(1), three equivalent K(2), and one P(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to two equivalent K(1), two equivalent K(2), and one P(1) atom. F(1) is bonded in a distorted single-bond geometry to one K(1), one K(2), and one P(1) atom.