Sr2LaSbO6 crystallizes in the monoclinic P2_1/c space group. Sr(1) is bonded in a 8-coordinate geometry to two equivalent O(3), three equivalent O(1), and three equivalent O(2) atoms. La(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form LaO6 octahedra that share corners with six equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 27-35°. Sb(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form SbO6 octahedra that share corners with six equivalent La(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 27-35°. There are three inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to three equivalent Sr(1), one La(1), and one Sb(1) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to three equivalent Sr(1), one La(1), and one Sb(1) atom. In the third O site, O(3) is bonded to two equivalent Sr(1), one La(1), and one Sb(1) atom to form distorted corner-sharing OSr2LaSb tetrahedra.
Sr2LaSbO6 crystallizes in the monoclinic P2_1/c space group. Sr(1) is bonded in a 8-coordinate geometry to two equivalent O(3), three equivalent O(1), and three equivalent O(2) atoms. There is one shorter (2.54 Å) and one longer (2.66 Å) Sr(1)-O(3) bond length. There are a spread of Sr(1)-O(1) bond distances ranging from 2.59-3.14 Å. There are a spread of Sr(1)-O(2) bond distances ranging from 2.56-3.13 Å. La(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form LaO6 octahedra that share corners with six equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 27-35°. Both La(1)-O(1) bond lengths are 2.37 Å. Both La(1)-O(2) bond lengths are 2.41 Å. Both La(1)-O(3) bond lengths are 2.42 Å. Sb(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form SbO6 octahedra that share corners with six equivalent La(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 27-35°. Both Sb(1)-O(1) bond lengths are 2.03 Å. Both Sb(1)-O(2) bond lengths are 2.04 Å. Both Sb(1)-O(3) bond lengths are 2.04 Å. There are three inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to three equivalent Sr(1), one La(1), and one Sb(1) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to three equivalent Sr(1), one La(1), and one Sb(1) atom. In the third O site, O(3) is bonded to two equivalent Sr(1), one La(1), and one Sb(1) atom to form distorted corner-sharing OSr2LaSb tetrahedra.