K3PS4O crystallizes in the orthorhombic P2_12_12 space group. There are three inequivalent K sites. In the first K site, K(1) is bonded in a 7-coordinate geometry to one S(1), one S(3), two equivalent S(2), two equivalent S(4), and one O(1) atom. In the second K site, K(2) is bonded in a 5-coordinate geometry to one S(1), one S(2), one S(3), and two equivalent O(1) atoms. In the third K site, K(3) is bonded in a 7-coordinate geometry to one S(2), one S(4), two equivalent S(1), two equivalent S(3), and one O(1) atom. P(1) is bonded in a tetrahedral geometry to one S(1), one S(2), one S(3), and one S(4) atom. There are four inequivalent S sites. In the first S site, S(1) is bonded in a 5-coordinate geometry to one K(1), one K(2), two equivalent K(3), and one P(1) atom. In the second S site, S(2) is bonded in a 5-coordinate geometry to one K(2), one K(3), two equivalent K(1), and one P(1) atom. In the third S site, S(3) is bonded in a 5-coordinate geometry to one K(1), one K(2), two equivalent K(3), and one P(1) atom. In the fourth S site, S(4) is bonded in a 1-coordinate geometry to one K(3), two equivalent K(1), one P(1), and one O(1) atom. O(1) is bonded in a 5-coordinate geometry to one K(1), one K(3), two equivalent K(2), and one S(4) atom.
K3PS4O crystallizes in the orthorhombic P2_12_12 space group. There are three inequivalent K sites. In the first K site, K(1) is bonded in a 7-coordinate geometry to one S(1), one S(3), two equivalent S(2), two equivalent S(4), and one O(1) atom. The K(1)-S(1) bond length is 3.73 Å. The K(1)-S(3) bond length is 3.13 Å. There is one shorter (3.34 Å) and one longer (3.57 Å) K(1)-S(2) bond length. There is one shorter (3.19 Å) and one longer (3.79 Å) K(1)-S(4) bond length. The K(1)-O(1) bond length is 2.84 Å. In the second K site, K(2) is bonded in a 5-coordinate geometry to one S(1), one S(2), one S(3), and two equivalent O(1) atoms. The K(2)-S(1) bond length is 3.11 Å. The K(2)-S(2) bond length is 3.25 Å. The K(2)-S(3) bond length is 3.30 Å. There is one shorter (2.74 Å) and one longer (3.33 Å) K(2)-O(1) bond length. In the third K site, K(3) is bonded in a 7-coordinate geometry to one S(2), one S(4), two equivalent S(1), two equivalent S(3), and one O(1) atom. The K(3)-S(2) bond length is 3.15 Å. The K(3)-S(4) bond length is 3.43 Å. There is one shorter (3.28 Å) and one longer (3.54 Å) K(3)-S(1) bond length. There is one shorter (3.25 Å) and one longer (3.34 Å) K(3)-S(3) bond length. The K(3)-O(1) bond length is 3.10 Å. P(1) is bonded in a tetrahedral geometry to one S(1), one S(2), one S(3), and one S(4) atom. The P(1)-S(1) bond length is 2.03 Å. The P(1)-S(2) bond length is 2.02 Å. The P(1)-S(3) bond length is 2.04 Å. The P(1)-S(4) bond length is 2.17 Å. There are four inequivalent S sites. In the first S site, S(1) is bonded in a 5-coordinate geometry to one K(1), one K(2), two equivalent K(3), and one P(1) atom. In the second S site, S(2) is bonded in a 5-coordinate geometry to one K(2), one K(3), two equivalent K(1), and one P(1) atom. In the third S site, S(3) is bonded in a 5-coordinate geometry to one K(1), one K(2), two equivalent K(3), and one P(1) atom. In the fourth S site, S(4) is bonded in a 1-coordinate geometry to one K(3), two equivalent K(1), one P(1), and one O(1) atom. The S(4)-O(1) bond length is 1.61 Å. O(1) is bonded in a 5-coordinate geometry to one K(1), one K(3), two equivalent K(2), and one S(4) atom.