Pr(LuS2)3 crystallizes in the monoclinic P2_1/m space group. There are three inequivalent Lu sites. In the first Lu site, Lu(1) is bonded to one S(2), one S(5), two equivalent S(6), and three equivalent S(1) atoms to form distorted LuS7 pentagonal bipyramids that share  a cornercorner with one Lu(2)S6 octahedra, corners with two equivalent Lu(3)S6 octahedra, edges with two equivalent Lu(2)S6 octahedra, and edges with four equivalent Lu(1)S7 pentagonal bipyramids. The corner-sharing octahedral tilt angles range from 39-51°. In the second Lu site, Lu(2) is bonded to one S(1), two equivalent S(5), and three equivalent S(3) atoms to form LuS6 octahedra that share corners with three equivalent Lu(3)S6 octahedra,  a cornercorner with one Lu(1)S7 pentagonal bipyramid, edges with four equivalent Lu(2)S6 octahedra, and edges with two equivalent Lu(1)S7 pentagonal bipyramids. The corner-sharing octahedral tilt angles range from 52-63°. In the third Lu site, Lu(3) is bonded to one S(3), two equivalent S(2), and three equivalent S(4) atoms to form LuS6 octahedra that share corners with three equivalent Lu(2)S6 octahedra, corners with two equivalent Lu(1)S7 pentagonal bipyramids, and edges with four equivalent Lu(3)S6 octahedra. The corner-sharing octahedral tilt angles range from 52-63°. Pr(1) is bonded in a 8-coordinate geometry to one S(2), two equivalent S(4), two equivalent S(5), and three equivalent S(6) atoms. There are six inequivalent S sites. In the first S site, S(1) is bonded to one Lu(2) and three equivalent Lu(1) atoms to form distorted SLu4 trigonal pyramids that share  a cornercorner with one S(5)Pr2Lu3 trigonal bipyramid, corners with four equivalent S(6)Pr3Lu2 trigonal bipyramids, corners with two equivalent S(1)Lu4 trigonal pyramids, corners with three equivalent S(2)PrLu3 trigonal pyramids,  an edgeedge with one S(6)Pr3Lu2 trigonal bipyramid, edges with two equivalent S(5)Pr2Lu3 trigonal bipyramids, and edges with two equivalent S(1)Lu4 trigonal pyramids. In the second S site, S(2) is bonded to one Lu(1), two equivalent Lu(3), and one Pr(1) atom to form distorted SPrLu3 trigonal pyramids that share corners with two equivalent S(4)Pr2Lu3 square pyramids,  a cornercorner with one S(6)Pr3Lu2 trigonal bipyramid, corners with three equivalent S(5)Pr2Lu3 trigonal bipyramids, corners with two equivalent S(2)PrLu3 trigonal pyramids, corners with three equivalent S(1)Lu4 trigonal pyramids, edges with three equivalent S(4)Pr2Lu3 square pyramids, and edges with two equivalent S(6)Pr3Lu2 trigonal bipyramids. In the third S site, S(3) is bonded in a rectangular see-saw-like geometry to one Lu(3) and three equivalent Lu(2) atoms. In the fourth S site, S(4) is bonded to three equivalent Lu(3) and two equivalent Pr(1) atoms to form SPr2Lu3 square pyramids that share corners with two equivalent S(5)Pr2Lu3 trigonal bipyramids, corners with four equivalent S(6)Pr3Lu2 trigonal bipyramids, corners with two equivalent S(2)PrLu3 trigonal pyramids, edges with four equivalent S(4)Pr2Lu3 square pyramids,  an edgeedge with one S(5)Pr2Lu3 trigonal bipyramid,  an edgeedge with one S(6)Pr3Lu2 trigonal bipyramid, and edges with three equivalent S(2)PrLu3 trigonal pyramids. In the fifth S site, S(5) is bonded to one Lu(1), two equivalent Lu(2), and two equivalent Pr(1) atoms to form distorted SPr2Lu3 trigonal bipyramids that share corners with two equivalent S(4)Pr2Lu3 square pyramids, corners with two equivalent S(6)Pr3Lu2 trigonal bipyramids,  a cornercorner with one S(1)Lu4 trigonal pyramid, corners with three equivalent S(2)PrLu3 trigonal pyramids,  an edgeedge with one S(4)Pr2Lu3 square pyramid, edges with two equivalent S(5)Pr2Lu3 trigonal bipyramids, edges with three equivalent S(6)Pr3Lu2 trigonal bipyramids, and edges with two equivalent S(1)Lu4 trigonal pyramids. In the sixth S site, S(6) is bonded to two equivalent Lu(1) and three equivalent Pr(1) atoms to form distorted SPr3Lu2 trigonal bipyramids that share corners with four equivalent S(4)Pr2Lu3 square pyramids, corners with two equivalent S(5)Pr2Lu3 trigonal bipyramids,  a cornercorner with one S(2)PrLu3 trigonal pyramid, corners with four equivalent S(1)Lu4 trigonal pyramids,  an edgeedge with one S(4)Pr2Lu3 square pyramid, edges with three equivalent S(5)Pr2Lu3 trigonal bipyramids, edges with four equivalent S(6)Pr3Lu2 trigonal bipyramids,  an edgeedge with one S(1)Lu4 trigonal pyramid, and edges with two equivalent S(2)PrLu3 trigonal pyramids.
Pr(LuS2)3 crystallizes in the monoclinic P2_1/m space group. There are three inequivalent Lu sites. In the first Lu site, Lu(1) is bonded to one S(2), one S(5), two equivalent S(6), and three equivalent S(1) atoms to form distorted LuS7 pentagonal bipyramids that share  a cornercorner with one Lu(2)S6 octahedra, corners with two equivalent Lu(3)S6 octahedra, edges with two equivalent Lu(2)S6 octahedra, and edges with four equivalent Lu(1)S7 pentagonal bipyramids. The corner-sharing octahedral tilt angles range from 39-51°. The Lu(1)-S(2) bond length is 2.67 Å. The Lu(1)-S(5) bond length is 2.81 Å. Both Lu(1)-S(6) bond lengths are 2.86 Å. There are two shorter (2.63 Å) and one longer (2.85 Å) Lu(1)-S(1) bond length. In the second Lu site, Lu(2) is bonded to one S(1), two equivalent S(5), and three equivalent S(3) atoms to form LuS6 octahedra that share corners with three equivalent Lu(3)S6 octahedra,  a cornercorner with one Lu(1)S7 pentagonal bipyramid, edges with four equivalent Lu(2)S6 octahedra, and edges with two equivalent Lu(1)S7 pentagonal bipyramids. The corner-sharing octahedral tilt angles range from 52-63°. The Lu(2)-S(1) bond length is 2.62 Å. Both Lu(2)-S(5) bond lengths are 2.71 Å. There are two shorter (2.66 Å) and one longer (2.73 Å) Lu(2)-S(3) bond length. In the third Lu site, Lu(3) is bonded to one S(3), two equivalent S(2), and three equivalent S(4) atoms to form LuS6 octahedra that share corners with three equivalent Lu(2)S6 octahedra, corners with two equivalent Lu(1)S7 pentagonal bipyramids, and edges with four equivalent Lu(3)S6 octahedra. The corner-sharing octahedral tilt angles range from 52-63°. The Lu(3)-S(3) bond length is 2.66 Å. Both Lu(3)-S(2) bond lengths are 2.59 Å. There is one shorter (2.66 Å) and two longer (2.73 Å) Lu(3)-S(4) bond lengths. Pr(1) is bonded in a 8-coordinate geometry to one S(2), two equivalent S(4), two equivalent S(5), and three equivalent S(6) atoms. The Pr(1)-S(2) bond length is 3.00 Å. Both Pr(1)-S(4) bond lengths are 3.01 Å. Both Pr(1)-S(5) bond lengths are 3.02 Å. There are two shorter (2.90 Å) and one longer (2.95 Å) Pr(1)-S(6) bond length. There are six inequivalent S sites. In the first S site, S(1) is bonded to one Lu(2) and three equivalent Lu(1) atoms to form distorted SLu4 trigonal pyramids that share  a cornercorner with one S(5)Pr2Lu3 trigonal bipyramid, corners with four equivalent S(6)Pr3Lu2 trigonal bipyramids, corners with two equivalent S(1)Lu4 trigonal pyramids, corners with three equivalent S(2)PrLu3 trigonal pyramids,  an edgeedge with one S(6)Pr3Lu2 trigonal bipyramid, edges with two equivalent S(5)Pr2Lu3 trigonal bipyramids, and edges with two equivalent S(1)Lu4 trigonal pyramids. In the second S site, S(2) is bonded to one Lu(1), two equivalent Lu(3), and one Pr(1) atom to form distorted SPrLu3 trigonal pyramids that share corners with two equivalent S(4)Pr2Lu3 square pyramids,  a cornercorner with one S(6)Pr3Lu2 trigonal bipyramid, corners with three equivalent S(5)Pr2Lu3 trigonal bipyramids, corners with two equivalent S(2)PrLu3 trigonal pyramids, corners with three equivalent S(1)Lu4 trigonal pyramids, edges with three equivalent S(4)Pr2Lu3 square pyramids, and edges with two equivalent S(6)Pr3Lu2 trigonal bipyramids. In the third S site, S(3) is bonded in a rectangular see-saw-like geometry to one Lu(3) and three equivalent Lu(2) atoms. In the fourth S site, S(4) is bonded to three equivalent Lu(3) and two equivalent Pr(1) atoms to form SPr2Lu3 square pyramids that share corners with two equivalent S(5)Pr2Lu3 trigonal bipyramids, corners with four equivalent S(6)Pr3Lu2 trigonal bipyramids, corners with two equivalent S(2)PrLu3 trigonal pyramids, edges with four equivalent S(4)Pr2Lu3 square pyramids,  an edgeedge with one S(5)Pr2Lu3 trigonal bipyramid,  an edgeedge with one S(6)Pr3Lu2 trigonal bipyramid, and edges with three equivalent S(2)PrLu3 trigonal pyramids. In the fifth S site, S(5) is bonded to one Lu(1), two equivalent Lu(2), and two equivalent Pr(1) atoms to form distorted SPr2Lu3 trigonal bipyramids that share corners with two equivalent S(4)Pr2Lu3 square pyramids, corners with two equivalent S(6)Pr3Lu2 trigonal bipyramids,  a cornercorner with one S(1)Lu4 trigonal pyramid, corners with three equivalent S(2)PrLu3 trigonal pyramids,  an edgeedge with one S(4)Pr2Lu3 square pyramid, edges with two equivalent S(5)Pr2Lu3 trigonal bipyramids, edges with three equivalent S(6)Pr3Lu2 trigonal bipyramids, and edges with two equivalent S(1)Lu4 trigonal pyramids. In the sixth S site, S(6) is bonded to two equivalent Lu(1) and three equivalent Pr(1) atoms to form distorted SPr3Lu2 trigonal bipyramids that share corners with four equivalent S(4)Pr2Lu3 square pyramids, corners with two equivalent S(5)Pr2Lu3 trigonal bipyramids,  a cornercorner with one S(2)PrLu3 trigonal pyramid, corners with four equivalent S(1)Lu4 trigonal pyramids,  an edgeedge with one S(4)Pr2Lu3 square pyramid, edges with three equivalent S(5)Pr2Lu3 trigonal bipyramids, edges with four equivalent S(6)Pr3Lu2 trigonal bipyramids,  an edgeedge with one S(1)Lu4 trigonal pyramid, and edges with two equivalent S(2)PrLu3 trigonal pyramids.