La5NS4O2 crystallizes in the monoclinic C2/m space group. There are five inequivalent La sites. In the first La site, La(1) is bonded in a 4-coordinate geometry to three equivalent S(1), two equivalent O(1), and two equivalent O(2) atoms. In the second La site, La(2) is bonded in a 8-coordinate geometry to one S(1), two equivalent S(2), two equivalent S(3), one O(2), and two equivalent O(1) atoms. In the third La site, La(3) is bonded in a 7-coordinate geometry to one S(3), one S(4), two equivalent S(1), two equivalent S(2), and one O(2) atom. In the fourth La site, La(4) is bonded in a 6-coordinate geometry to two equivalent N(1), two equivalent S(3), and two equivalent S(4) atoms. In the fifth La site, La(5) is bonded in a 7-coordinate geometry to two equivalent N(1), one S(2), one S(3), and three equivalent S(4) atoms. N(1) is bonded to two equivalent La(4) and two equivalent La(5) atoms to form NLa4 tetrahedra that share corners with two equivalent S(3)La6 octahedra, corners with four equivalent S(4)La6 octahedra, corners with two equivalent N(1)La4 tetrahedra, edges with two equivalent S(3)La6 octahedra, edges with three equivalent S(4)La6 octahedra, and  an edgeedge with one N(1)La4 tetrahedra. The corner-sharing octahedral tilt angles range from 22-47°. There are four inequivalent S sites. In the first S site, S(1) is bonded to one La(2), two equivalent La(3), and three equivalent La(1) atoms to form SLa6 octahedra that share corners with two equivalent S(4)La6 octahedra, corners with three equivalent O(2)La4 tetrahedra, corners with four equivalent O(1)La4 tetrahedra, edges with two equivalent S(3)La6 octahedra, edges with four equivalent S(1)La6 octahedra, edges with two equivalent O(1)La4 tetrahedra, and edges with three equivalent O(2)La4 tetrahedra. The corner-sharing octahedral tilt angles are 51°. In the second S site, S(2) is bonded in a 5-coordinate geometry to one La(5), two equivalent La(2), and two equivalent La(3) atoms. In the third S site, S(3) is bonded to one La(3), one La(5), two equivalent La(2), and two equivalent La(4) atoms to form distorted SLa6 octahedra that share corners with five equivalent S(4)La6 octahedra, corners with two equivalent N(1)La4 tetrahedra, corners with two equivalent O(1)La4 tetrahedra, corners with three equivalent O(2)La4 tetrahedra, edges with two equivalent S(1)La6 octahedra, edges with two equivalent S(3)La6 octahedra,  an edgeedge with one O(1)La4 tetrahedra, edges with two equivalent N(1)La4 tetrahedra, and  a faceface with one S(4)La6 octahedra. The corner-sharing octahedral tilt angles range from 39-57°. In the fourth S site, S(4) is bonded to one La(3), two equivalent La(4), and three equivalent La(5) atoms to form SLa6 octahedra that share corners with two equivalent S(1)La6 octahedra, corners with five equivalent S(3)La6 octahedra,  a cornercorner with one O(2)La4 tetrahedra, corners with four equivalent N(1)La4 tetrahedra, edges with four equivalent S(4)La6 octahedra, edges with three equivalent N(1)La4 tetrahedra, and  a faceface with one S(3)La6 octahedra. The corner-sharing octahedral tilt angles range from 39-57°. There are two inequivalent O sites. In the first O site, O(1) is bonded to two equivalent La(1) and two equivalent La(2) atoms to form OLa4 tetrahedra that share corners with two equivalent S(3)La6 octahedra, corners with four equivalent S(1)La6 octahedra, corners with two equivalent O(1)La4 tetrahedra, corners with two equivalent O(2)La4 tetrahedra,  an edgeedge with one S(3)La6 octahedra, edges with two equivalent S(1)La6 octahedra,  an edgeedge with one O(1)La4 tetrahedra, and edges with two equivalent O(2)La4 tetrahedra. The corner-sharing octahedral tilt angles range from 26-51°. In the second O site, O(2) is bonded to one La(2), one La(3), and two equivalent La(1) atoms to form OLa4 tetrahedra that share  a cornercorner with one S(4)La6 octahedra, corners with three equivalent S(1)La6 octahedra, corners with three equivalent S(3)La6 octahedra, corners with two equivalent O(1)La4 tetrahedra, corners with two equivalent O(2)La4 tetrahedra, edges with three equivalent S(1)La6 octahedra, and edges with two equivalent O(1)La4 tetrahedra. The corner-sharing octahedral tilt angles range from 21-51°.
La5NS4O2 crystallizes in the monoclinic C2/m space group. There are five inequivalent La sites. In the first La site, La(1) is bonded in a 4-coordinate geometry to three equivalent S(1), two equivalent O(1), and two equivalent O(2) atoms. There is one shorter (3.13 Å) and two longer (3.14 Å) La(1)-S(1) bond lengths. There is one shorter (2.40 Å) and one longer (2.43 Å) La(1)-O(1) bond length. Both La(1)-O(2) bond lengths are 2.37 Å. In the second La site, La(2) is bonded in a 8-coordinate geometry to one S(1), two equivalent S(2), two equivalent S(3), one O(2), and two equivalent O(1) atoms. The La(2)-S(1) bond length is 3.07 Å. Both La(2)-S(2) bond lengths are 3.11 Å. Both La(2)-S(3) bond lengths are 3.13 Å. The La(2)-O(2) bond length is 2.45 Å. Both La(2)-O(1) bond lengths are 2.46 Å. In the third La site, La(3) is bonded in a 7-coordinate geometry to one S(3), one S(4), two equivalent S(1), two equivalent S(2), and one O(2) atom. The La(3)-S(3) bond length is 2.98 Å. The La(3)-S(4) bond length is 3.34 Å. Both La(3)-S(1) bond lengths are 2.96 Å. Both La(3)-S(2) bond lengths are 2.82 Å. The La(3)-O(2) bond length is 2.46 Å. In the fourth La site, La(4) is bonded in a 6-coordinate geometry to two equivalent N(1), two equivalent S(3), and two equivalent S(4) atoms. There is one shorter (2.35 Å) and one longer (2.38 Å) La(4)-N(1) bond length. Both La(4)-S(3) bond lengths are 3.02 Å. Both La(4)-S(4) bond lengths are 2.94 Å. In the fifth La site, La(5) is bonded in a 7-coordinate geometry to two equivalent N(1), one S(2), one S(3), and three equivalent S(4) atoms. Both La(5)-N(1) bond lengths are 2.44 Å. The La(5)-S(2) bond length is 2.94 Å. The La(5)-S(3) bond length is 3.31 Å. There is one shorter (3.00 Å) and two longer (3.10 Å) La(5)-S(4) bond lengths. N(1) is bonded to two equivalent La(4) and two equivalent La(5) atoms to form NLa4 tetrahedra that share corners with two equivalent S(3)La6 octahedra, corners with four equivalent S(4)La6 octahedra, corners with two equivalent N(1)La4 tetrahedra, edges with two equivalent S(3)La6 octahedra, edges with three equivalent S(4)La6 octahedra, and  an edgeedge with one N(1)La4 tetrahedra. The corner-sharing octahedral tilt angles range from 22-47°. There are four inequivalent S sites. In the first S site, S(1) is bonded to one La(2), two equivalent La(3), and three equivalent La(1) atoms to form SLa6 octahedra that share corners with two equivalent S(4)La6 octahedra, corners with three equivalent O(2)La4 tetrahedra, corners with four equivalent O(1)La4 tetrahedra, edges with two equivalent S(3)La6 octahedra, edges with four equivalent S(1)La6 octahedra, edges with two equivalent O(1)La4 tetrahedra, and edges with three equivalent O(2)La4 tetrahedra. The corner-sharing octahedral tilt angles are 51°. In the second S site, S(2) is bonded in a 5-coordinate geometry to one La(5), two equivalent La(2), and two equivalent La(3) atoms. In the third S site, S(3) is bonded to one La(3), one La(5), two equivalent La(2), and two equivalent La(4) atoms to form distorted SLa6 octahedra that share corners with five equivalent S(4)La6 octahedra, corners with two equivalent N(1)La4 tetrahedra, corners with two equivalent O(1)La4 tetrahedra, corners with three equivalent O(2)La4 tetrahedra, edges with two equivalent S(1)La6 octahedra, edges with two equivalent S(3)La6 octahedra,  an edgeedge with one O(1)La4 tetrahedra, edges with two equivalent N(1)La4 tetrahedra, and  a faceface with one S(4)La6 octahedra. The corner-sharing octahedral tilt angles range from 39-57°. In the fourth S site, S(4) is bonded to one La(3), two equivalent La(4), and three equivalent La(5) atoms to form SLa6 octahedra that share corners with two equivalent S(1)La6 octahedra, corners with five equivalent S(3)La6 octahedra,  a cornercorner with one O(2)La4 tetrahedra, corners with four equivalent N(1)La4 tetrahedra, edges with four equivalent S(4)La6 octahedra, edges with three equivalent N(1)La4 tetrahedra, and  a faceface with one S(3)La6 octahedra. The corner-sharing octahedral tilt angles range from 39-57°. There are two inequivalent O sites. In the first O site, O(1) is bonded to two equivalent La(1) and two equivalent La(2) atoms to form OLa4 tetrahedra that share corners with two equivalent S(3)La6 octahedra, corners with four equivalent S(1)La6 octahedra, corners with two equivalent O(1)La4 tetrahedra, corners with two equivalent O(2)La4 tetrahedra,  an edgeedge with one S(3)La6 octahedra, edges with two equivalent S(1)La6 octahedra,  an edgeedge with one O(1)La4 tetrahedra, and edges with two equivalent O(2)La4 tetrahedra. The corner-sharing octahedral tilt angles range from 26-51°. In the second O site, O(2) is bonded to one La(2), one La(3), and two equivalent La(1) atoms to form OLa4 tetrahedra that share  a cornercorner with one S(4)La6 octahedra, corners with three equivalent S(1)La6 octahedra, corners with three equivalent S(3)La6 octahedra, corners with two equivalent O(1)La4 tetrahedra, corners with two equivalent O(2)La4 tetrahedra, edges with three equivalent S(1)La6 octahedra, and edges with two equivalent O(1)La4 tetrahedra. The corner-sharing octahedral tilt angles range from 21-51°.