KLa(PS3)2 crystallizes in the monoclinic P2_1/c space group. K(1) is bonded in a 8-coordinate geometry to one S(1), one S(6), two equivalent S(2), two equivalent S(3), and two equivalent S(5) atoms. La(1) is bonded in a 9-coordinate geometry to one S(2), one S(3), one S(5), two equivalent S(1), two equivalent S(4), and two equivalent S(6) atoms. There are two inequivalent P sites. In the first P site, P(1) is bonded to one P(2), one S(2), one S(4), and one S(6) atom to form distorted PPS3 tetrahedra that share  a cornercorner with one S(1)KLa2P trigonal pyramid. In the second P site, P(2) is bonded in a distorted trigonal non-coplanar geometry to one P(1), one S(1), one S(3), and one S(5) atom. There are six inequivalent S sites. In the first S site, S(1) is bonded to one K(1), two equivalent La(1), and one P(2) atom to form distorted SKLa2P trigonal pyramids that share  a cornercorner with one P(1)PS3 tetrahedra, corners with two equivalent S(2)K2LaP tetrahedra, corners with two equivalent S(1)KLa2P trigonal pyramids, and  an edgeedge with one S(2)K2LaP tetrahedra. In the second S site, S(2) is bonded to two equivalent K(1), one La(1), and one P(1) atom to form distorted SK2LaP tetrahedra that share corners with two equivalent S(2)K2LaP tetrahedra, corners with two equivalent S(1)KLa2P trigonal pyramids, and  an edgeedge with one S(1)KLa2P trigonal pyramid. In the third S site, S(3) is bonded in a 4-coordinate geometry to two equivalent K(1), one La(1), and one P(2) atom. In the fourth S site, S(4) is bonded in a 3-coordinate geometry to two equivalent La(1) and one P(1) atom. In the fifth S site, S(5) is bonded in a distorted see-saw-like geometry to two equivalent K(1), one La(1), and one P(2) atom. In the sixth S site, S(6) is bonded in a 1-coordinate geometry to one K(1), two equivalent La(1), and one P(1) atom.
KLa(PS3)2 crystallizes in the monoclinic P2_1/c space group. K(1) is bonded in a 8-coordinate geometry to one S(1), one S(6), two equivalent S(2), two equivalent S(3), and two equivalent S(5) atoms. The K(1)-S(1) bond length is 3.29 Å. The K(1)-S(6) bond length is 3.69 Å. There is one shorter (3.28 Å) and one longer (3.36 Å) K(1)-S(2) bond length. There is one shorter (3.31 Å) and one longer (3.38 Å) K(1)-S(3) bond length. There is one shorter (3.38 Å) and one longer (3.45 Å) K(1)-S(5) bond length. La(1) is bonded in a 9-coordinate geometry to one S(2), one S(3), one S(5), two equivalent S(1), two equivalent S(4), and two equivalent S(6) atoms. The La(1)-S(2) bond length is 3.03 Å. The La(1)-S(3) bond length is 3.24 Å. The La(1)-S(5) bond length is 3.03 Å. There is one shorter (3.02 Å) and one longer (3.23 Å) La(1)-S(1) bond length. There is one shorter (3.03 Å) and one longer (3.13 Å) La(1)-S(4) bond length. There is one shorter (3.07 Å) and one longer (3.16 Å) La(1)-S(6) bond length. There are two inequivalent P sites. In the first P site, P(1) is bonded to one P(2), one S(2), one S(4), and one S(6) atom to form distorted PPS3 tetrahedra that share  a cornercorner with one S(1)KLa2P trigonal pyramid. The P(1)-P(2) bond length is 2.25 Å. The P(1)-S(2) bond length is 2.03 Å. The P(1)-S(4) bond length is 2.05 Å. The P(1)-S(6) bond length is 2.04 Å. In the second P site, P(2) is bonded in a distorted trigonal non-coplanar geometry to one P(1), one S(1), one S(3), and one S(5) atom. The P(2)-S(1) bond length is 2.04 Å. The P(2)-S(3) bond length is 2.01 Å. The P(2)-S(5) bond length is 2.03 Å. There are six inequivalent S sites. In the first S site, S(1) is bonded to one K(1), two equivalent La(1), and one P(2) atom to form distorted SKLa2P trigonal pyramids that share  a cornercorner with one P(1)PS3 tetrahedra, corners with two equivalent S(2)K2LaP tetrahedra, corners with two equivalent S(1)KLa2P trigonal pyramids, and  an edgeedge with one S(2)K2LaP tetrahedra. In the second S site, S(2) is bonded to two equivalent K(1), one La(1), and one P(1) atom to form distorted SK2LaP tetrahedra that share corners with two equivalent S(2)K2LaP tetrahedra, corners with two equivalent S(1)KLa2P trigonal pyramids, and  an edgeedge with one S(1)KLa2P trigonal pyramid. In the third S site, S(3) is bonded in a 4-coordinate geometry to two equivalent K(1), one La(1), and one P(2) atom. In the fourth S site, S(4) is bonded in a 3-coordinate geometry to two equivalent La(1) and one P(1) atom. In the fifth S site, S(5) is bonded in a distorted see-saw-like geometry to two equivalent K(1), one La(1), and one P(2) atom. In the sixth S site, S(6) is bonded in a 1-coordinate geometry to one K(1), two equivalent La(1), and one P(1) atom.