CaLaGa3S6O crystallizes in the monoclinic P2_1 space group. Ca(1) is bonded in a 8-coordinate geometry to one S(2), one S(3), one S(4), two equivalent S(1), two equivalent S(5), and one O(1) atom. La(1) is bonded in a 8-coordinate geometry to one S(1), one S(3), one S(4), two equivalent S(2), two equivalent S(6), and one O(1) atom. There are three inequivalent Ga sites. In the first Ga site, Ga(1) is bonded to one S(3), one S(4), one S(5), and one S(6) atom to form corner-sharing GaS4 tetrahedra. In the second Ga site, Ga(2) is bonded to one S(1), one S(4), one S(5), and one O(1) atom to form distorted GaS3O tetrahedra that share  a cornercorner with one Ga(3)S3O tetrahedra and corners with two equivalent Ga(1)S4 tetrahedra. In the third Ga site, Ga(3) is bonded to one S(2), one S(3), one S(6), and one O(1) atom to form distorted GaS3O tetrahedra that share  a cornercorner with one Ga(2)S3O tetrahedra and corners with two equivalent Ga(1)S4 tetrahedra. There are six inequivalent S sites. In the first S site, S(1) is bonded to two equivalent Ca(1), one La(1), and one Ga(2) atom to form SCa2LaGa tetrahedra that share corners with two equivalent S(1)Ca2LaGa tetrahedra, corners with two equivalent S(2)CaLa2Ga tetrahedra, corners with two equivalent O(1)CaLaGa2 tetrahedra, corners with two equivalent S(4)CaLaGa2 trigonal pyramids, corners with two equivalent S(6)La2Ga2 trigonal pyramids, corners with three equivalent S(5)Ca2Ga2 trigonal pyramids, corners with three equivalent S(3)CaLaGa2 trigonal pyramids,  an edgeedge with one S(2)CaLa2Ga tetrahedra,  an edgeedge with one O(1)CaLaGa2 tetrahedra,  an edgeedge with one S(5)Ca2Ga2 trigonal pyramid, and  an edgeedge with one S(4)CaLaGa2 trigonal pyramid. In the second S site, S(2) is bonded to one Ca(1), two equivalent La(1), and one Ga(3) atom to form distorted SCaLa2Ga tetrahedra that share corners with two equivalent S(1)Ca2LaGa tetrahedra, corners with two equivalent S(2)CaLa2Ga tetrahedra, corners with two equivalent O(1)CaLaGa2 tetrahedra, corners with two equivalent S(5)Ca2Ga2 trigonal pyramids, corners with two equivalent S(3)CaLaGa2 trigonal pyramids, corners with three equivalent S(4)CaLaGa2 trigonal pyramids, corners with three equivalent S(6)La2Ga2 trigonal pyramids,  an edgeedge with one S(1)Ca2LaGa tetrahedra,  an edgeedge with one O(1)CaLaGa2 tetrahedra,  an edgeedge with one S(3)CaLaGa2 trigonal pyramid, and  an edgeedge with one S(6)La2Ga2 trigonal pyramid. In the third S site, S(3) is bonded to one Ca(1), one La(1), one Ga(1), and one Ga(3) atom to form distorted SCaLaGa2 trigonal pyramids that share  a cornercorner with one O(1)CaLaGa2 tetrahedra, corners with two equivalent S(2)CaLa2Ga tetrahedra, corners with three equivalent S(1)Ca2LaGa tetrahedra, corners with two equivalent S(6)La2Ga2 trigonal pyramids, corners with three equivalent S(5)Ca2Ga2 trigonal pyramids, corners with three equivalent S(4)CaLaGa2 trigonal pyramids,  an edgeedge with one S(2)CaLa2Ga tetrahedra,  an edgeedge with one O(1)CaLaGa2 tetrahedra, and  an edgeedge with one S(6)La2Ga2 trigonal pyramid. In the fourth S site, S(4) is bonded to one Ca(1), one La(1), one Ga(1), and one Ga(2) atom to form distorted SCaLaGa2 trigonal pyramids that share  a cornercorner with one O(1)CaLaGa2 tetrahedra, corners with two equivalent S(1)Ca2LaGa tetrahedra, corners with three equivalent S(2)CaLa2Ga tetrahedra, corners with two equivalent S(5)Ca2Ga2 trigonal pyramids, corners with three equivalent S(3)CaLaGa2 trigonal pyramids, corners with three equivalent S(6)La2Ga2 trigonal pyramids,  an edgeedge with one S(1)Ca2LaGa tetrahedra,  an edgeedge with one O(1)CaLaGa2 tetrahedra, and  an edgeedge with one S(5)Ca2Ga2 trigonal pyramid. In the fifth S site, S(5) is bonded to two equivalent Ca(1), one Ga(1), and one Ga(2) atom to form distorted SCa2Ga2 trigonal pyramids that share  a cornercorner with one O(1)CaLaGa2 tetrahedra, corners with two equivalent S(2)CaLa2Ga tetrahedra, corners with three equivalent S(1)Ca2LaGa tetrahedra,  a cornercorner with one S(6)La2Ga2 trigonal pyramid, corners with two equivalent S(5)Ca2Ga2 trigonal pyramids, corners with two equivalent S(4)CaLaGa2 trigonal pyramids, corners with three equivalent S(3)CaLaGa2 trigonal pyramids,  an edgeedge with one S(1)Ca2LaGa tetrahedra,  an edgeedge with one O(1)CaLaGa2 tetrahedra, and  an edgeedge with one S(4)CaLaGa2 trigonal pyramid. In the sixth S site, S(6) is bonded to two equivalent La(1), one Ga(1), and one Ga(3) atom to form distorted SLa2Ga2 trigonal pyramids that share  a cornercorner with one O(1)CaLaGa2 tetrahedra, corners with two equivalent S(1)Ca2LaGa tetrahedra, corners with three equivalent S(2)CaLa2Ga tetrahedra,  a cornercorner with one S(5)Ca2Ga2 trigonal pyramid, corners with two equivalent S(3)CaLaGa2 trigonal pyramids, corners with two equivalent S(6)La2Ga2 trigonal pyramids, corners with three equivalent S(4)CaLaGa2 trigonal pyramids,  an edgeedge with one S(2)CaLa2Ga tetrahedra,  an edgeedge with one O(1)CaLaGa2 tetrahedra, and  an edgeedge with one S(3)CaLaGa2 trigonal pyramid. O(1) is bonded to one Ca(1), one La(1), one Ga(2), and one Ga(3) atom to form OCaLaGa2 tetrahedra that share corners with two equivalent S(1)Ca2LaGa tetrahedra, corners with two equivalent S(2)CaLa2Ga tetrahedra,  a cornercorner with one S(5)Ca2Ga2 trigonal pyramid,  a cornercorner with one S(3)CaLaGa2 trigonal pyramid,  a cornercorner with one S(4)CaLaGa2 trigonal pyramid,  a cornercorner with one S(6)La2Ga2 trigonal pyramid,  an edgeedge with one S(1)Ca2LaGa tetrahedra,  an edgeedge with one S(2)CaLa2Ga tetrahedra,  an edgeedge with one S(5)Ca2Ga2 trigonal pyramid,  an edgeedge with one S(3)CaLaGa2 trigonal pyramid,  an edgeedge with one S(4)CaLaGa2 trigonal pyramid, and  an edgeedge with one S(6)La2Ga2 trigonal pyramid.
CaLaGa3S6O crystallizes in the monoclinic P2_1 space group. Ca(1) is bonded in a 8-coordinate geometry to one S(2), one S(3), one S(4), two equivalent S(1), two equivalent S(5), and one O(1) atom. The Ca(1)-S(2) bond length is 3.03 Å. The Ca(1)-S(3) bond length is 3.04 Å. The Ca(1)-S(4) bond length is 3.08 Å. There is one shorter (3.00 Å) and one longer (3.07 Å) Ca(1)-S(1) bond length. There is one shorter (3.01 Å) and one longer (3.08 Å) Ca(1)-S(5) bond length. The Ca(1)-O(1) bond length is 2.61 Å. La(1) is bonded in a 8-coordinate geometry to one S(1), one S(3), one S(4), two equivalent S(2), two equivalent S(6), and one O(1) atom. The La(1)-S(1) bond length is 2.96 Å. The La(1)-S(3) bond length is 3.10 Å. The La(1)-S(4) bond length is 3.01 Å. There is one shorter (3.00 Å) and one longer (3.09 Å) La(1)-S(2) bond length. There is one shorter (3.05 Å) and one longer (3.10 Å) La(1)-S(6) bond length. The La(1)-O(1) bond length is 2.52 Å. There are three inequivalent Ga sites. In the first Ga site, Ga(1) is bonded to one S(3), one S(4), one S(5), and one S(6) atom to form corner-sharing GaS4 tetrahedra. The Ga(1)-S(3) bond length is 2.28 Å. The Ga(1)-S(4) bond length is 2.27 Å. The Ga(1)-S(5) bond length is 2.26 Å. The Ga(1)-S(6) bond length is 2.30 Å. In the second Ga site, Ga(2) is bonded to one S(1), one S(4), one S(5), and one O(1) atom to form distorted GaS3O tetrahedra that share  a cornercorner with one Ga(3)S3O tetrahedra and corners with two equivalent Ga(1)S4 tetrahedra. The Ga(2)-S(1) bond length is 2.22 Å. The Ga(2)-S(4) bond length is 2.30 Å. The Ga(2)-S(5) bond length is 2.28 Å. The Ga(2)-O(1) bond length is 1.93 Å. In the third Ga site, Ga(3) is bonded to one S(2), one S(3), one S(6), and one O(1) atom to form distorted GaS3O tetrahedra that share  a cornercorner with one Ga(2)S3O tetrahedra and corners with two equivalent Ga(1)S4 tetrahedra. The Ga(3)-S(2) bond length is 2.22 Å. The Ga(3)-S(3) bond length is 2.28 Å. The Ga(3)-S(6) bond length is 2.30 Å. The Ga(3)-O(1) bond length is 1.91 Å. There are six inequivalent S sites. In the first S site, S(1) is bonded to two equivalent Ca(1), one La(1), and one Ga(2) atom to form SCa2LaGa tetrahedra that share corners with two equivalent S(1)Ca2LaGa tetrahedra, corners with two equivalent S(2)CaLa2Ga tetrahedra, corners with two equivalent O(1)CaLaGa2 tetrahedra, corners with two equivalent S(4)CaLaGa2 trigonal pyramids, corners with two equivalent S(6)La2Ga2 trigonal pyramids, corners with three equivalent S(5)Ca2Ga2 trigonal pyramids, corners with three equivalent S(3)CaLaGa2 trigonal pyramids,  an edgeedge with one S(2)CaLa2Ga tetrahedra,  an edgeedge with one O(1)CaLaGa2 tetrahedra,  an edgeedge with one S(5)Ca2Ga2 trigonal pyramid, and  an edgeedge with one S(4)CaLaGa2 trigonal pyramid. In the second S site, S(2) is bonded to one Ca(1), two equivalent La(1), and one Ga(3) atom to form distorted SCaLa2Ga tetrahedra that share corners with two equivalent S(1)Ca2LaGa tetrahedra, corners with two equivalent S(2)CaLa2Ga tetrahedra, corners with two equivalent O(1)CaLaGa2 tetrahedra, corners with two equivalent S(5)Ca2Ga2 trigonal pyramids, corners with two equivalent S(3)CaLaGa2 trigonal pyramids, corners with three equivalent S(4)CaLaGa2 trigonal pyramids, corners with three equivalent S(6)La2Ga2 trigonal pyramids,  an edgeedge with one S(1)Ca2LaGa tetrahedra,  an edgeedge with one O(1)CaLaGa2 tetrahedra,  an edgeedge with one S(3)CaLaGa2 trigonal pyramid, and  an edgeedge with one S(6)La2Ga2 trigonal pyramid. In the third S site, S(3) is bonded to one Ca(1), one La(1), one Ga(1), and one Ga(3) atom to form distorted SCaLaGa2 trigonal pyramids that share  a cornercorner with one O(1)CaLaGa2 tetrahedra, corners with two equivalent S(2)CaLa2Ga tetrahedra, corners with three equivalent S(1)Ca2LaGa tetrahedra, corners with two equivalent S(6)La2Ga2 trigonal pyramids, corners with three equivalent S(5)Ca2Ga2 trigonal pyramids, corners with three equivalent S(4)CaLaGa2 trigonal pyramids,  an edgeedge with one S(2)CaLa2Ga tetrahedra,  an edgeedge with one O(1)CaLaGa2 tetrahedra, and  an edgeedge with one S(6)La2Ga2 trigonal pyramid. In the fourth S site, S(4) is bonded to one Ca(1), one La(1), one Ga(1), and one Ga(2) atom to form distorted SCaLaGa2 trigonal pyramids that share  a cornercorner with one O(1)CaLaGa2 tetrahedra, corners with two equivalent S(1)Ca2LaGa tetrahedra, corners with three equivalent S(2)CaLa2Ga tetrahedra, corners with two equivalent S(5)Ca2Ga2 trigonal pyramids, corners with three equivalent S(3)CaLaGa2 trigonal pyramids, corners with three equivalent S(6)La2Ga2 trigonal pyramids,  an edgeedge with one S(1)Ca2LaGa tetrahedra,  an edgeedge with one O(1)CaLaGa2 tetrahedra, and  an edgeedge with one S(5)Ca2Ga2 trigonal pyramid. In the fifth S site, S(5) is bonded to two equivalent Ca(1), one Ga(1), and one Ga(2) atom to form distorted SCa2Ga2 trigonal pyramids that share  a cornercorner with one O(1)CaLaGa2 tetrahedra, corners with two equivalent S(2)CaLa2Ga tetrahedra, corners with three equivalent S(1)Ca2LaGa tetrahedra,  a cornercorner with one S(6)La2Ga2 trigonal pyramid, corners with two equivalent S(5)Ca2Ga2 trigonal pyramids, corners with two equivalent S(4)CaLaGa2 trigonal pyramids, corners with three equivalent S(3)CaLaGa2 trigonal pyramids,  an edgeedge with one S(1)Ca2LaGa tetrahedra,  an edgeedge with one O(1)CaLaGa2 tetrahedra, and  an edgeedge with one S(4)CaLaGa2 trigonal pyramid. In the sixth S site, S(6) is bonded to two equivalent La(1), one Ga(1), and one Ga(3) atom to form distorted SLa2Ga2 trigonal pyramids that share  a cornercorner with one O(1)CaLaGa2 tetrahedra, corners with two equivalent S(1)Ca2LaGa tetrahedra, corners with three equivalent S(2)CaLa2Ga tetrahedra,  a cornercorner with one S(5)Ca2Ga2 trigonal pyramid, corners with two equivalent S(3)CaLaGa2 trigonal pyramids, corners with two equivalent S(6)La2Ga2 trigonal pyramids, corners with three equivalent S(4)CaLaGa2 trigonal pyramids,  an edgeedge with one S(2)CaLa2Ga tetrahedra,  an edgeedge with one O(1)CaLaGa2 tetrahedra, and  an edgeedge with one S(3)CaLaGa2 trigonal pyramid. O(1) is bonded to one Ca(1), one La(1), one Ga(2), and one Ga(3) atom to form OCaLaGa2 tetrahedra that share corners with two equivalent S(1)Ca2LaGa tetrahedra, corners with two equivalent S(2)CaLa2Ga tetrahedra,  a cornercorner with one S(5)Ca2Ga2 trigonal pyramid,  a cornercorner with one S(3)CaLaGa2 trigonal pyramid,  a cornercorner with one S(4)CaLaGa2 trigonal pyramid,  a cornercorner with one S(6)La2Ga2 trigonal pyramid,  an edgeedge with one S(1)Ca2LaGa tetrahedra,  an edgeedge with one S(2)CaLa2Ga tetrahedra,  an edgeedge with one S(5)Ca2Ga2 trigonal pyramid,  an edgeedge with one S(3)CaLaGa2 trigonal pyramid,  an edgeedge with one S(4)CaLaGa2 trigonal pyramid, and  an edgeedge with one S(6)La2Ga2 trigonal pyramid.