HoLaS3 crystallizes in the monoclinic P2_1/m space group. There are four inequivalent Ho sites. In the first Ho site, Ho(1) is bonded to one S(3), two equivalent S(11), and three equivalent S(8) atoms to form a mixture of corner and edge-sharing HoS6 octahedra. The corner-sharing octahedral tilt angles are 60°. In the second Ho site, Ho(2) is bonded to one S(2), one S(3), two equivalent S(10), and two equivalent S(9) atoms to form a mixture of corner and edge-sharing HoS6 octahedra. The corner-sharing octahedral tilt angles are 60°. In the third Ho site, Ho(3) is bonded to one S(4), one S(7), two equivalent S(12), and three equivalent S(1) atoms to form a mixture of distorted face, corner, and edge-sharing HoS7 pentagonal bipyramids. In the fourth Ho site, Ho(4) is bonded to one S(5), one S(6), two equivalent S(12), and three equivalent S(4) atoms to form a mixture of distorted face, corner, and edge-sharing HoS7 pentagonal bipyramids. There are four inequivalent La sites. In the first La site, La(1) is bonded in a 8-coordinate geometry to one S(11), one S(12), two equivalent S(3), two equivalent S(5), and two equivalent S(7) atoms. In the second La site, La(2) is bonded in a 8-coordinate geometry to one S(10), one S(4), two equivalent S(1), two equivalent S(6), and two equivalent S(7) atoms. In the third La site, La(3) is bonded in a 8-coordinate geometry to one S(10), one S(11), two equivalent S(2), two equivalent S(5), and two equivalent S(6) atoms. In the fourth La site, La(4) is bonded in a 8-coordinate geometry to one S(11), two equivalent S(2), two equivalent S(8), and three equivalent S(9) atoms. There are twelve inequivalent S sites. In the first S site, S(1) is bonded to three equivalent Ho(3) and two equivalent La(2) atoms to form distorted SLa2Ho3 trigonal bipyramids that share corners with four equivalent S(7)La4Ho square pyramids, corners with two equivalent S(6)La4Ho trigonal bipyramids, corners with four equivalent S(12)LaHo4 trigonal bipyramids, corners with two equivalent S(10)La2Ho2 trigonal pyramids,  an edgeedge with one S(6)La4Ho trigonal bipyramid,  an edgeedge with one S(12)LaHo4 trigonal bipyramid, edges with four equivalent S(1)La2Ho3 trigonal bipyramids, and  a faceface with one S(7)La4Ho square pyramid. In the second S site, S(2) is bonded to one Ho(2), two equivalent La(3), and two equivalent La(4) atoms to form distorted SLa4Ho square pyramids that share corners with two equivalent S(8)La2Ho3 square pyramids,  a cornercorner with one S(3)La2Ho2 tetrahedra, corners with two equivalent S(9)La3Ho2 trigonal bipyramids, corners with two equivalent S(5)La4Ho trigonal bipyramids, corners with two equivalent S(6)La4Ho trigonal bipyramids,  an edgeedge with one S(8)La2Ho3 square pyramid, edges with two equivalent S(2)La4Ho square pyramids,  an edgeedge with one S(5)La4Ho trigonal bipyramid,  an edgeedge with one S(6)La4Ho trigonal bipyramid, edges with three equivalent S(9)La3Ho2 trigonal bipyramids, and edges with two equivalent S(10)La2Ho2 trigonal pyramids. In the third S site, S(3) is bonded to one Ho(1), one Ho(2), and two equivalent La(1) atoms to form SLa2Ho2 tetrahedra that share  a cornercorner with one S(2)La4Ho square pyramid, corners with two equivalent S(7)La4Ho square pyramids, corners with three equivalent S(8)La2Ho3 square pyramids, corners with two equivalent S(3)La2Ho2 tetrahedra, corners with two equivalent S(9)La3Ho2 trigonal bipyramids, corners with two equivalent S(5)La4Ho trigonal bipyramids, corners with two equivalent S(12)LaHo4 trigonal bipyramids, corners with two equivalent S(10)La2Ho2 trigonal pyramids,  an edgeedge with one S(7)La4Ho square pyramid, and  an edgeedge with one S(5)La4Ho trigonal bipyramid. In the fourth S site, S(4) is bonded in a 5-coordinate geometry to one Ho(3), three equivalent Ho(4), and one La(2) atom. In the fifth S site, S(5) is bonded to one Ho(4), two equivalent La(1), and two equivalent La(3) atoms to form SLa4Ho trigonal bipyramids that share corners with two equivalent S(2)La4Ho square pyramids, corners with two equivalent S(7)La4Ho square pyramids, corners with two equivalent S(3)La2Ho2 tetrahedra, corners with two equivalent S(6)La4Ho trigonal bipyramids, corners with two equivalent S(10)La2Ho2 trigonal pyramids,  an edgeedge with one S(2)La4Ho square pyramid,  an edgeedge with one S(7)La4Ho square pyramid,  an edgeedge with one S(3)La2Ho2 tetrahedra, edges with two equivalent S(5)La4Ho trigonal bipyramids, edges with two equivalent S(12)LaHo4 trigonal bipyramids, and  a faceface with one S(6)La4Ho trigonal bipyramid. In the sixth S site, S(6) is bonded to one Ho(4), two equivalent La(2), and two equivalent La(3) atoms to form distorted SLa4Ho trigonal bipyramids that share corners with two equivalent S(2)La4Ho square pyramids, corners with two equivalent S(7)La4Ho square pyramids, corners with two equivalent S(1)La2Ho3 trigonal bipyramids, corners with two equivalent S(5)La4Ho trigonal bipyramids, corners with two equivalent S(12)LaHo4 trigonal bipyramids,  an edgeedge with one S(2)La4Ho square pyramid,  an edgeedge with one S(7)La4Ho square pyramid,  an edgeedge with one S(1)La2Ho3 trigonal bipyramid, edges with two equivalent S(6)La4Ho trigonal bipyramids, edges with two equivalent S(10)La2Ho2 trigonal pyramids, and  a faceface with one S(5)La4Ho trigonal bipyramid. In the seventh S site, S(7) is bonded to one Ho(3), two equivalent La(1), and two equivalent La(2) atoms to form distorted SLa4Ho square pyramids that share corners with two equivalent S(3)La2Ho2 tetrahedra, corners with two equivalent S(5)La4Ho trigonal bipyramids, corners with two equivalent S(6)La4Ho trigonal bipyramids, corners with four equivalent S(1)La2Ho3 trigonal bipyramids, corners with two equivalent S(10)La2Ho2 trigonal pyramids, edges with two equivalent S(7)La4Ho square pyramids,  an edgeedge with one S(3)La2Ho2 tetrahedra,  an edgeedge with one S(5)La4Ho trigonal bipyramid,  an edgeedge with one S(6)La4Ho trigonal bipyramid, edges with two equivalent S(12)LaHo4 trigonal bipyramids, and  a faceface with one S(1)La2Ho3 trigonal bipyramid. In the eighth S site, S(8) is bonded to three equivalent Ho(1) and two equivalent La(4) atoms to form SLa2Ho3 square pyramids that share corners with two equivalent S(2)La4Ho square pyramids, corners with three equivalent S(3)La2Ho2 tetrahedra, corners with four equivalent S(9)La3Ho2 trigonal bipyramids,  an edgeedge with one S(2)La4Ho square pyramid, edges with four equivalent S(8)La2Ho3 square pyramids, and  an edgeedge with one S(9)La3Ho2 trigonal bipyramid. In the ninth S site, S(9) is bonded to two equivalent Ho(2) and three equivalent La(4) atoms to form distorted SLa3Ho2 trigonal bipyramids that share corners with two equivalent S(2)La4Ho square pyramids, corners with four equivalent S(8)La2Ho3 square pyramids, corners with two equivalent S(3)La2Ho2 tetrahedra, corners with two equivalent S(10)La2Ho2 trigonal pyramids,  an edgeedge with one S(8)La2Ho3 square pyramid, edges with three equivalent S(2)La4Ho square pyramids, edges with four equivalent S(9)La3Ho2 trigonal bipyramids, and  an edgeedge with one S(10)La2Ho2 trigonal pyramid. In the tenth S site, S(10) is bonded to two equivalent Ho(2), one La(2), and one La(3) atom to form distorted SLa2Ho2 trigonal pyramids that share corners with two equivalent S(7)La4Ho square pyramids, corners with two equivalent S(3)La2Ho2 tetrahedra, corners with two equivalent S(1)La2Ho3 trigonal bipyramids, corners with two equivalent S(9)La3Ho2 trigonal bipyramids, corners with two equivalent S(5)La4Ho trigonal bipyramids, corners with two equivalent S(10)La2Ho2 trigonal pyramids, edges with two equivalent S(2)La4Ho square pyramids,  an edgeedge with one S(9)La3Ho2 trigonal bipyramid, and edges with two equivalent S(6)La4Ho trigonal bipyramids. In the eleventh S site, S(11) is bonded in a 5-coordinate geometry to two equivalent Ho(1), one La(1), one La(3), and one La(4) atom. In the twelfth S site, S(12) is bonded to two equivalent Ho(3), two equivalent Ho(4), and one La(1) atom to form distorted SLaHo4 trigonal bipyramids that share corners with two equivalent S(3)La2Ho2 tetrahedra, corners with two equivalent S(6)La4Ho trigonal bipyramids, corners with four equivalent S(1)La2Ho3 trigonal bipyramids, edges with two equivalent S(7)La4Ho square pyramids,  an edgeedge with one S(1)La2Ho3 trigonal bipyramid, edges with two equivalent S(5)La4Ho trigonal bipyramids, and edges with two equivalent S(12)LaHo4 trigonal bipyramids.
HoLaS3 crystallizes in the monoclinic P2_1/m space group. There are four inequivalent Ho sites. In the first Ho site, Ho(1) is bonded to one S(3), two equivalent S(11), and three equivalent S(8) atoms to form a mixture of corner and edge-sharing HoS6 octahedra. The corner-sharing octahedral tilt angles are 60°. The Ho(1)-S(3) bond length is 2.62 Å. Both Ho(1)-S(11) bond lengths are 2.63 Å. There is one shorter (2.71 Å) and two longer (2.81 Å) Ho(1)-S(8) bond lengths. In the second Ho site, Ho(2) is bonded to one S(2), one S(3), two equivalent S(10), and two equivalent S(9) atoms to form a mixture of corner and edge-sharing HoS6 octahedra. The corner-sharing octahedral tilt angles are 60°. The Ho(2)-S(2) bond length is 2.68 Å. The Ho(2)-S(3) bond length is 2.66 Å. Both Ho(2)-S(10) bond lengths are 2.65 Å. Both Ho(2)-S(9) bond lengths are 2.82 Å. In the third Ho site, Ho(3) is bonded to one S(4), one S(7), two equivalent S(12), and three equivalent S(1) atoms to form a mixture of distorted face, corner, and edge-sharing HoS7 pentagonal bipyramids. The Ho(3)-S(4) bond length is 2.97 Å. The Ho(3)-S(7) bond length is 2.71 Å. Both Ho(3)-S(12) bond lengths are 2.78 Å. There are two shorter (2.75 Å) and one longer (2.93 Å) Ho(3)-S(1) bond length. In the fourth Ho site, Ho(4) is bonded to one S(5), one S(6), two equivalent S(12), and three equivalent S(4) atoms to form a mixture of distorted face, corner, and edge-sharing HoS7 pentagonal bipyramids. The Ho(4)-S(5) bond length is 2.96 Å. The Ho(4)-S(6) bond length is 2.80 Å. Both Ho(4)-S(12) bond lengths are 2.87 Å. There are two shorter (2.72 Å) and one longer (2.88 Å) Ho(4)-S(4) bond length. There are four inequivalent La sites. In the first La site, La(1) is bonded in a 8-coordinate geometry to one S(11), one S(12), two equivalent S(3), two equivalent S(5), and two equivalent S(7) atoms. The La(1)-S(11) bond length is 3.53 Å. The La(1)-S(12) bond length is 3.06 Å. Both La(1)-S(3) bond lengths are 2.93 Å. Both La(1)-S(5) bond lengths are 2.98 Å. Both La(1)-S(7) bond lengths are 3.01 Å. In the second La site, La(2) is bonded in a 8-coordinate geometry to one S(10), one S(4), two equivalent S(1), two equivalent S(6), and two equivalent S(7) atoms. The La(2)-S(10) bond length is 2.87 Å. The La(2)-S(4) bond length is 3.36 Å. Both La(2)-S(1) bond lengths are 2.96 Å. Both La(2)-S(6) bond lengths are 2.90 Å. Both La(2)-S(7) bond lengths are 3.10 Å. In the third La site, La(3) is bonded in a 8-coordinate geometry to one S(10), one S(11), two equivalent S(2), two equivalent S(5), and two equivalent S(6) atoms. The La(3)-S(10) bond length is 3.01 Å. The La(3)-S(11) bond length is 2.93 Å. Both La(3)-S(2) bond lengths are 2.99 Å. Both La(3)-S(5) bond lengths are 3.00 Å. Both La(3)-S(6) bond lengths are 3.01 Å. In the fourth La site, La(4) is bonded in a 8-coordinate geometry to one S(11), two equivalent S(2), two equivalent S(8), and three equivalent S(9) atoms. The La(4)-S(11) bond length is 3.18 Å. Both La(4)-S(2) bond lengths are 2.92 Å. Both La(4)-S(8) bond lengths are 3.00 Å. There is one shorter (2.98 Å) and two longer (3.06 Å) La(4)-S(9) bond lengths. There are twelve inequivalent S sites. In the first S site, S(1) is bonded to three equivalent Ho(3) and two equivalent La(2) atoms to form distorted SLa2Ho3 trigonal bipyramids that share corners with four equivalent S(7)La4Ho square pyramids, corners with two equivalent S(6)La4Ho trigonal bipyramids, corners with four equivalent S(12)LaHo4 trigonal bipyramids, corners with two equivalent S(10)La2Ho2 trigonal pyramids,  an edgeedge with one S(6)La4Ho trigonal bipyramid,  an edgeedge with one S(12)LaHo4 trigonal bipyramid, edges with four equivalent S(1)La2Ho3 trigonal bipyramids, and  a faceface with one S(7)La4Ho square pyramid. In the second S site, S(2) is bonded to one Ho(2), two equivalent La(3), and two equivalent La(4) atoms to form distorted SLa4Ho square pyramids that share corners with two equivalent S(8)La2Ho3 square pyramids,  a cornercorner with one S(3)La2Ho2 tetrahedra, corners with two equivalent S(9)La3Ho2 trigonal bipyramids, corners with two equivalent S(5)La4Ho trigonal bipyramids, corners with two equivalent S(6)La4Ho trigonal bipyramids,  an edgeedge with one S(8)La2Ho3 square pyramid, edges with two equivalent S(2)La4Ho square pyramids,  an edgeedge with one S(5)La4Ho trigonal bipyramid,  an edgeedge with one S(6)La4Ho trigonal bipyramid, edges with three equivalent S(9)La3Ho2 trigonal bipyramids, and edges with two equivalent S(10)La2Ho2 trigonal pyramids. In the third S site, S(3) is bonded to one Ho(1), one Ho(2), and two equivalent La(1) atoms to form SLa2Ho2 tetrahedra that share  a cornercorner with one S(2)La4Ho square pyramid, corners with two equivalent S(7)La4Ho square pyramids, corners with three equivalent S(8)La2Ho3 square pyramids, corners with two equivalent S(3)La2Ho2 tetrahedra, corners with two equivalent S(9)La3Ho2 trigonal bipyramids, corners with two equivalent S(5)La4Ho trigonal bipyramids, corners with two equivalent S(12)LaHo4 trigonal bipyramids, corners with two equivalent S(10)La2Ho2 trigonal pyramids,  an edgeedge with one S(7)La4Ho square pyramid, and  an edgeedge with one S(5)La4Ho trigonal bipyramid. In the fourth S site, S(4) is bonded in a 5-coordinate geometry to one Ho(3), three equivalent Ho(4), and one La(2) atom. In the fifth S site, S(5) is bonded to one Ho(4), two equivalent La(1), and two equivalent La(3) atoms to form SLa4Ho trigonal bipyramids that share corners with two equivalent S(2)La4Ho square pyramids, corners with two equivalent S(7)La4Ho square pyramids, corners with two equivalent S(3)La2Ho2 tetrahedra, corners with two equivalent S(6)La4Ho trigonal bipyramids, corners with two equivalent S(10)La2Ho2 trigonal pyramids,  an edgeedge with one S(2)La4Ho square pyramid,  an edgeedge with one S(7)La4Ho square pyramid,  an edgeedge with one S(3)La2Ho2 tetrahedra, edges with two equivalent S(5)La4Ho trigonal bipyramids, edges with two equivalent S(12)LaHo4 trigonal bipyramids, and  a faceface with one S(6)La4Ho trigonal bipyramid. In the sixth S site, S(6) is bonded to one Ho(4), two equivalent La(2), and two equivalent La(3) atoms to form distorted SLa4Ho trigonal bipyramids that share corners with two equivalent S(2)La4Ho square pyramids, corners with two equivalent S(7)La4Ho square pyramids, corners with two equivalent S(1)La2Ho3 trigonal bipyramids, corners with two equivalent S(5)La4Ho trigonal bipyramids, corners with two equivalent S(12)LaHo4 trigonal bipyramids,  an edgeedge with one S(2)La4Ho square pyramid,  an edgeedge with one S(7)La4Ho square pyramid,  an edgeedge with one S(1)La2Ho3 trigonal bipyramid, edges with two equivalent S(6)La4Ho trigonal bipyramids, edges with two equivalent S(10)La2Ho2 trigonal pyramids, and  a faceface with one S(5)La4Ho trigonal bipyramid. In the seventh S site, S(7) is bonded to one Ho(3), two equivalent La(1), and two equivalent La(2) atoms to form distorted SLa4Ho square pyramids that share corners with two equivalent S(3)La2Ho2 tetrahedra, corners with two equivalent S(5)La4Ho trigonal bipyramids, corners with two equivalent S(6)La4Ho trigonal bipyramids, corners with four equivalent S(1)La2Ho3 trigonal bipyramids, corners with two equivalent S(10)La2Ho2 trigonal pyramids, edges with two equivalent S(7)La4Ho square pyramids,  an edgeedge with one S(3)La2Ho2 tetrahedra,  an edgeedge with one S(5)La4Ho trigonal bipyramid,  an edgeedge with one S(6)La4Ho trigonal bipyramid, edges with two equivalent S(12)LaHo4 trigonal bipyramids, and  a faceface with one S(1)La2Ho3 trigonal bipyramid. In the eighth S site, S(8) is bonded to three equivalent Ho(1) and two equivalent La(4) atoms to form SLa2Ho3 square pyramids that share corners with two equivalent S(2)La4Ho square pyramids, corners with three equivalent S(3)La2Ho2 tetrahedra, corners with four equivalent S(9)La3Ho2 trigonal bipyramids,  an edgeedge with one S(2)La4Ho square pyramid, edges with four equivalent S(8)La2Ho3 square pyramids, and  an edgeedge with one S(9)La3Ho2 trigonal bipyramid. In the ninth S site, S(9) is bonded to two equivalent Ho(2) and three equivalent La(4) atoms to form distorted SLa3Ho2 trigonal bipyramids that share corners with two equivalent S(2)La4Ho square pyramids, corners with four equivalent S(8)La2Ho3 square pyramids, corners with two equivalent S(3)La2Ho2 tetrahedra, corners with two equivalent S(10)La2Ho2 trigonal pyramids,  an edgeedge with one S(8)La2Ho3 square pyramid, edges with three equivalent S(2)La4Ho square pyramids, edges with four equivalent S(9)La3Ho2 trigonal bipyramids, and  an edgeedge with one S(10)La2Ho2 trigonal pyramid. In the tenth S site, S(10) is bonded to two equivalent Ho(2), one La(2), and one La(3) atom to form distorted SLa2Ho2 trigonal pyramids that share corners with two equivalent S(7)La4Ho square pyramids, corners with two equivalent S(3)La2Ho2 tetrahedra, corners with two equivalent S(1)La2Ho3 trigonal bipyramids, corners with two equivalent S(9)La3Ho2 trigonal bipyramids, corners with two equivalent S(5)La4Ho trigonal bipyramids, corners with two equivalent S(10)La2Ho2 trigonal pyramids, edges with two equivalent S(2)La4Ho square pyramids,  an edgeedge with one S(9)La3Ho2 trigonal bipyramid, and edges with two equivalent S(6)La4Ho trigonal bipyramids. In the eleventh S site, S(11) is bonded in a 5-coordinate geometry to two equivalent Ho(1), one La(1), one La(3), and one La(4) atom. In the twelfth S site, S(12) is bonded to two equivalent Ho(3), two equivalent Ho(4), and one La(1) atom to form distorted SLaHo4 trigonal bipyramids that share corners with two equivalent S(3)La2Ho2 tetrahedra, corners with two equivalent S(6)La4Ho trigonal bipyramids, corners with four equivalent S(1)La2Ho3 trigonal bipyramids, edges with two equivalent S(7)La4Ho square pyramids,  an edgeedge with one S(1)La2Ho3 trigonal bipyramid, edges with two equivalent S(5)La4Ho trigonal bipyramids, and edges with two equivalent S(12)LaHo4 trigonal bipyramids.