K2P3 crystallizes in the triclinic P1 space group. There are eight inequivalent K sites. In the first K site, K(1) is bonded to one P(10), one P(12), one P(3), one P(4), one P(5), one P(6), one P(7), and one P(9) atom to form a mixture of corner, edge, and face-sharing KP8 hexagonal bipyramids. In the second K site, K(2) is bonded to one P(1), one P(10), one P(11), one P(12), one P(3), one P(4), one P(5), and one P(7) atom to form a mixture of distorted corner, edge, and face-sharing KP8 hexagonal bipyramids. In the third K site, K(3) is bonded in a 10-coordinate geometry to one P(1), one P(11), one P(12), one P(2), one P(3), one P(5), one P(6), one P(7), one P(8), and one P(9) atom. In the fourth K site, K(4) is bonded in a 10-coordinate geometry to one P(1), one P(10), one P(11), one P(2), one P(3), one P(4), one P(5), one P(6), one P(8), and one P(9) atom. In the fifth K site, K(5) is bonded in a 10-coordinate geometry to one P(1), one P(10), one P(11), one P(12), one P(2), one P(3), one P(4), one P(5), one P(7), and one P(8) atom. In the sixth K site, K(6) is bonded to one P(1), one P(10), one P(11), one P(2), one P(4), one P(6), one P(8), and one P(9) atom to form a mixture of corner, edge, and face-sharing KP8 hexagonal bipyramids. In the seventh K site, K(7) is bonded to one P(1), one P(11), one P(12), one P(2), one P(6), one P(7), one P(8), and one P(9) atom to form a mixture of corner, edge, and face-sharing KP8 hexagonal bipyramids. In the eighth K site, K(8) is bonded in a 10-coordinate geometry to one P(10), one P(12), one P(2), one P(3), one P(4), one P(5), one P(6), one P(7), one P(8), and one P(9) atom. There are twelve inequivalent P sites. In the first P site, P(1) is bonded in a 8-coordinate geometry to one K(2), one K(3), one K(4), one K(5), one K(6), one K(7), one P(3), and one P(6) atom. In the second P site, P(2) is bonded in a 8-coordinate geometry to one K(3), one K(4), one K(5), one K(6), one K(7), one K(8), one P(4), and one P(7) atom. In the third P site, P(3) is bonded in a 8-coordinate geometry to one K(1), one K(2), one K(3), one K(4), one K(5), one K(8), one P(1), and one P(9) atom. In the fourth P site, P(4) is bonded in a 8-coordinate geometry to one K(1), one K(2), one K(4), one K(5), one K(6), one K(8), one P(12), and one P(2) atom. In the fifth P site, P(5) is bonded in a 8-coordinate geometry to one K(1), one K(2), one K(3), one K(4), one K(5), one K(8), one P(11), and one P(6) atom. In the sixth P site, P(6) is bonded in a 8-coordinate geometry to one K(1), one K(3), one K(4), one K(6), one K(7), one K(8), one P(1), and one P(5) atom. In the seventh P site, P(7) is bonded in a 8-coordinate geometry to one K(1), one K(2), one K(3), one K(5), one K(7), one K(8), one P(10), and one P(2) atom. In the eighth P site, P(8) is bonded in a 8-coordinate geometry to one K(3), one K(4), one K(5), one K(6), one K(7), one K(8), one P(10), and one P(12) atom. In the ninth P site, P(9) is bonded in a 8-coordinate geometry to one K(1), one K(3), one K(4), one K(6), one K(7), one K(8), one P(11), and one P(3) atom. In the tenth P site, P(10) is bonded in a 8-coordinate geometry to one K(1), one K(2), one K(4), one K(5), one K(6), one K(8), one P(7), and one P(8) atom. In the eleventh P site, P(11) is bonded in a 8-coordinate geometry to one K(2), one K(3), one K(4), one K(5), one K(6), one K(7), one P(5), and one P(9) atom. In the twelfth P site, P(12) is bonded in a 8-coordinate geometry to one K(1), one K(2), one K(3), one K(5), one K(7), one K(8), one P(4), and one P(8) atom.
K2P3 crystallizes in the triclinic P1 space group. There are eight inequivalent K sites. In the first K site, K(1) is bonded to one P(10), one P(12), one P(3), one P(4), one P(5), one P(6), one P(7), and one P(9) atom to form a mixture of corner, edge, and face-sharing KP8 hexagonal bipyramids. The K(1)-P(10) bond length is 3.58 Å. The K(1)-P(12) bond length is 3.47 Å. The K(1)-P(3) bond length is 3.47 Å. The K(1)-P(4) bond length is 3.58 Å. The K(1)-P(5) bond length is 3.52 Å. The K(1)-P(6) bond length is 3.47 Å. The K(1)-P(7) bond length is 3.54 Å. The K(1)-P(9) bond length is 3.48 Å. In the second K site, K(2) is bonded to one P(1), one P(10), one P(11), one P(12), one P(3), one P(4), one P(5), and one P(7) atom to form a mixture of distorted corner, edge, and face-sharing KP8 hexagonal bipyramids. The K(2)-P(1) bond length is 3.48 Å. The K(2)-P(10) bond length is 3.43 Å. The K(2)-P(11) bond length is 3.62 Å. The K(2)-P(12) bond length is 3.45 Å. The K(2)-P(3) bond length is 3.53 Å. The K(2)-P(4) bond length is 3.48 Å. The K(2)-P(5) bond length is 3.53 Å. The K(2)-P(7) bond length is 3.56 Å. In the third K site, K(3) is bonded in a 10-coordinate geometry to one P(1), one P(11), one P(12), one P(2), one P(3), one P(5), one P(6), one P(7), one P(8), and one P(9) atom. The K(3)-P(1) bond length is 3.35 Å. The K(3)-P(11) bond length is 3.32 Å. The K(3)-P(12) bond length is 3.52 Å. The K(3)-P(2) bond length is 3.44 Å. The K(3)-P(3) bond length is 3.41 Å. The K(3)-P(5) bond length is 3.33 Å. The K(3)-P(6) bond length is 3.42 Å. The K(3)-P(7) bond length is 3.45 Å. The K(3)-P(8) bond length is 3.40 Å. The K(3)-P(9) bond length is 3.41 Å. In the fourth K site, K(4) is bonded in a 10-coordinate geometry to one P(1), one P(10), one P(11), one P(2), one P(3), one P(4), one P(5), one P(6), one P(8), and one P(9) atom. The K(4)-P(1) bond length is 3.47 Å. The K(4)-P(10) bond length is 3.44 Å. The K(4)-P(11) bond length is 3.38 Å. The K(4)-P(2) bond length is 3.30 Å. The K(4)-P(3) bond length is 3.39 Å. The K(4)-P(4) bond length is 3.39 Å. The K(4)-P(5) bond length is 3.41 Å. The K(4)-P(6) bond length is 3.37 Å. The K(4)-P(8) bond length is 3.38 Å. The K(4)-P(9) bond length is 3.35 Å. In the fifth K site, K(5) is bonded in a 10-coordinate geometry to one P(1), one P(10), one P(11), one P(12), one P(2), one P(3), one P(4), one P(5), one P(7), and one P(8) atom. The K(5)-P(1) bond length is 3.42 Å. The K(5)-P(10) bond length is 3.41 Å. The K(5)-P(11) bond length is 3.47 Å. The K(5)-P(12) bond length is 3.32 Å. The K(5)-P(2) bond length is 3.32 Å. The K(5)-P(3) bond length is 3.35 Å. The K(5)-P(4) bond length is 3.38 Å. The K(5)-P(5) bond length is 3.41 Å. The K(5)-P(7) bond length is 3.28 Å. The K(5)-P(8) bond length is 3.32 Å. In the sixth K site, K(6) is bonded to one P(1), one P(10), one P(11), one P(2), one P(4), one P(6), one P(8), and one P(9) atom to form a mixture of corner, edge, and face-sharing KP8 hexagonal bipyramids. The K(6)-P(1) bond length is 3.48 Å. The K(6)-P(10) bond length is 3.43 Å. The K(6)-P(11) bond length is 3.52 Å. The K(6)-P(2) bond length is 3.56 Å. The K(6)-P(4) bond length is 3.54 Å. The K(6)-P(6) bond length is 3.58 Å. The K(6)-P(8) bond length is 3.53 Å. The K(6)-P(9) bond length is 3.52 Å. In the seventh K site, K(7) is bonded to one P(1), one P(11), one P(12), one P(2), one P(6), one P(7), one P(8), and one P(9) atom to form a mixture of corner, edge, and face-sharing KP8 hexagonal bipyramids. The K(7)-P(1) bond length is 3.58 Å. The K(7)-P(11) bond length is 3.45 Å. The K(7)-P(12) bond length is 3.60 Å. The K(7)-P(2) bond length is 3.46 Å. The K(7)-P(6) bond length is 3.47 Å. The K(7)-P(7) bond length is 3.51 Å. The K(7)-P(8) bond length is 3.52 Å. The K(7)-P(9) bond length is 3.41 Å. In the eighth K site, K(8) is bonded in a 10-coordinate geometry to one P(10), one P(12), one P(2), one P(3), one P(4), one P(5), one P(6), one P(7), one P(8), and one P(9) atom. The K(8)-P(10) bond length is 3.31 Å. The K(8)-P(12) bond length is 3.41 Å. The K(8)-P(2) bond length is 3.41 Å. The K(8)-P(3) bond length is 3.45 Å. The K(8)-P(4) bond length is 3.35 Å. The K(8)-P(5) bond length is 3.37 Å. The K(8)-P(6) bond length is 3.43 Å. The K(8)-P(7) bond length is 3.35 Å. The K(8)-P(8) bond length is 3.40 Å. The K(8)-P(9) bond length is 3.49 Å. There are twelve inequivalent P sites. In the first P site, P(1) is bonded in a 8-coordinate geometry to one K(2), one K(3), one K(4), one K(5), one K(6), one K(7), one P(3), and one P(6) atom. The P(1)-P(3) bond length is 2.13 Å. The P(1)-P(6) bond length is 2.26 Å. In the second P site, P(2) is bonded in a 8-coordinate geometry to one K(3), one K(4), one K(5), one K(6), one K(7), one K(8), one P(4), and one P(7) atom. The P(2)-P(4) bond length is 2.12 Å. The P(2)-P(7) bond length is 2.14 Å. In the third P site, P(3) is bonded in a 8-coordinate geometry to one K(1), one K(2), one K(3), one K(4), one K(5), one K(8), one P(1), and one P(9) atom. The P(3)-P(9) bond length is 2.22 Å. In the fourth P site, P(4) is bonded in a 8-coordinate geometry to one K(1), one K(2), one K(4), one K(5), one K(6), one K(8), one P(12), and one P(2) atom. The P(4)-P(12) bond length is 2.14 Å. In the fifth P site, P(5) is bonded in a 8-coordinate geometry to one K(1), one K(2), one K(3), one K(4), one K(5), one K(8), one P(11), and one P(6) atom. The P(5)-P(11) bond length is 2.15 Å. The P(5)-P(6) bond length is 2.19 Å. In the sixth P site, P(6) is bonded in a 8-coordinate geometry to one K(1), one K(3), one K(4), one K(6), one K(7), one K(8), one P(1), and one P(5) atom. In the seventh P site, P(7) is bonded in a 8-coordinate geometry to one K(1), one K(2), one K(3), one K(5), one K(7), one K(8), one P(10), and one P(2) atom. The P(7)-P(10) bond length is 2.20 Å. In the eighth P site, P(8) is bonded in a 8-coordinate geometry to one K(3), one K(4), one K(5), one K(6), one K(7), one K(8), one P(10), and one P(12) atom. The P(8)-P(10) bond length is 2.21 Å. The P(8)-P(12) bond length is 2.17 Å. In the ninth P site, P(9) is bonded in a 8-coordinate geometry to one K(1), one K(3), one K(4), one K(6), one K(7), one K(8), one P(11), and one P(3) atom. The P(9)-P(11) bond length is 2.12 Å. In the tenth P site, P(10) is bonded in a 8-coordinate geometry to one K(1), one K(2), one K(4), one K(5), one K(6), one K(8), one P(7), and one P(8) atom. In the eleventh P site, P(11) is bonded in a 8-coordinate geometry to one K(2), one K(3), one K(4), one K(5), one K(6), one K(7), one P(5), and one P(9) atom. In the twelfth P site, P(12) is bonded in a 8-coordinate geometry to one K(1), one K(2), one K(3), one K(5), one K(7), one K(8), one P(4), and one P(8) atom.