La2WO6 crystallizes in the monoclinic C2/c space group. There are three inequivalent La sites. In the first La site, La(1) is bonded in a 8-coordinate geometry to one O(4), one O(6), two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. In the second La site, La(2) is bonded in a 8-coordinate geometry to two equivalent O(4), two equivalent O(6), and four equivalent O(5) atoms. In the third La site, La(3) is bonded in a distorted body-centered cubic geometry to two equivalent O(4), two equivalent O(6), and four equivalent O(1) atoms. W(1) is bonded in a distorted trigonal bipyramidal geometry to one O(2), one O(3), one O(4), one O(5), and one O(6) atom. There are six inequivalent O sites. In the first O site, O(5) is bonded in a 3-coordinate geometry to two equivalent La(2) and one W(1) atom. In the second O site, O(6) is bonded to one La(1), one La(2), one La(3), and one W(1) atom to form OLa3W tetrahedra that share corners with two equivalent O(6)La3W tetrahedra, corners with four equivalent O(1)La4 tetrahedra, and  an edgeedge with one O(1)La4 tetrahedra. In the third O site, O(1) is bonded to two equivalent La(1) and two equivalent La(3) atoms to form OLa4 tetrahedra that share corners with two equivalent O(1)La4 tetrahedra, corners with four equivalent O(6)La3W tetrahedra,  an edgeedge with one O(6)La3W tetrahedra, and edges with three equivalent O(1)La4 tetrahedra. In the fourth O site, O(2) is bonded in a 3-coordinate geometry to two equivalent La(1) and one W(1) atom. In the fifth O site, O(3) is bonded in a 3-coordinate geometry to two equivalent La(1) and one W(1) atom. In the sixth O site, O(4) is bonded in a 4-coordinate geometry to one La(1), one La(2), one La(3), and one W(1) atom.
La2WO6 crystallizes in the monoclinic C2/c space group. There are three inequivalent La sites. In the first La site, La(1) is bonded in a 8-coordinate geometry to one O(4), one O(6), two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. The La(1)-O(4) bond length is 2.82 Å. The La(1)-O(6) bond length is 2.50 Å. There is one shorter (2.33 Å) and one longer (2.43 Å) La(1)-O(1) bond length. There is one shorter (2.54 Å) and one longer (2.62 Å) La(1)-O(2) bond length. There is one shorter (2.55 Å) and one longer (2.72 Å) La(1)-O(3) bond length. In the second La site, La(2) is bonded in a 8-coordinate geometry to two equivalent O(4), two equivalent O(6), and four equivalent O(5) atoms. Both La(2)-O(4) bond lengths are 2.61 Å. Both La(2)-O(6) bond lengths are 2.39 Å. There are two shorter (2.53 Å) and two longer (2.60 Å) La(2)-O(5) bond lengths. In the third La site, La(3) is bonded in a distorted body-centered cubic geometry to two equivalent O(4), two equivalent O(6), and four equivalent O(1) atoms. Both La(3)-O(4) bond lengths are 2.87 Å. Both La(3)-O(6) bond lengths are 2.48 Å. There are two shorter (2.38 Å) and two longer (2.52 Å) La(3)-O(1) bond lengths. W(1) is bonded in a distorted trigonal bipyramidal geometry to one O(2), one O(3), one O(4), one O(5), and one O(6) atom. The W(1)-O(2) bond length is 1.89 Å. The W(1)-O(3) bond length is 1.86 Å. The W(1)-O(4) bond length is 1.88 Å. The W(1)-O(5) bond length is 1.84 Å. The W(1)-O(6) bond length is 2.12 Å. There are six inequivalent O sites. In the first O site, O(5) is bonded in a 3-coordinate geometry to two equivalent La(2) and one W(1) atom. In the second O site, O(6) is bonded to one La(1), one La(2), one La(3), and one W(1) atom to form OLa3W tetrahedra that share corners with two equivalent O(6)La3W tetrahedra, corners with four equivalent O(1)La4 tetrahedra, and  an edgeedge with one O(1)La4 tetrahedra. In the third O site, O(1) is bonded to two equivalent La(1) and two equivalent La(3) atoms to form OLa4 tetrahedra that share corners with two equivalent O(1)La4 tetrahedra, corners with four equivalent O(6)La3W tetrahedra,  an edgeedge with one O(6)La3W tetrahedra, and edges with three equivalent O(1)La4 tetrahedra. In the fourth O site, O(2) is bonded in a 3-coordinate geometry to two equivalent La(1) and one W(1) atom. In the fifth O site, O(3) is bonded in a 3-coordinate geometry to two equivalent La(1) and one W(1) atom. In the sixth O site, O(4) is bonded in a 4-coordinate geometry to one La(1), one La(2), one La(3), and one W(1) atom.