Sr2YSb2O7 crystallizes in the orthorhombic Ima2 space group. Sr(1) is bonded in a 5-coordinate geometry to one O(3), two equivalent O(1), and two equivalent O(4) atoms. Y(1) is bonded in a 6-coordinate geometry to two equivalent O(3) and four equivalent O(2) atoms. Sb(1) is bonded to one O(4), two equivalent O(2), and two equivalent O(3) atoms to form distorted corner-sharing SbO5 square pyramids. There are four inequivalent O sites. In the first O site, O(1) is bonded in a square co-planar geometry to four equivalent Sr(1) atoms. In the second O site, O(2) is bonded in a distorted see-saw-like geometry to two equivalent Y(1) and two equivalent Sb(1) atoms. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Sr(1), one Y(1), and two equivalent Sb(1) atoms. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Sr(1) and one Sb(1) atom.
Sr2YSb2O7 crystallizes in the orthorhombic Ima2 space group. Sr(1) is bonded in a 5-coordinate geometry to one O(3), two equivalent O(1), and two equivalent O(4) atoms. The Sr(1)-O(3) bond length is 3.03 Å. There is one shorter (2.41 Å) and one longer (2.42 Å) Sr(1)-O(1) bond length. There is one shorter (2.50 Å) and one longer (2.55 Å) Sr(1)-O(4) bond length. Y(1) is bonded in a 6-coordinate geometry to two equivalent O(3) and four equivalent O(2) atoms. Both Y(1)-O(3) bond lengths are 2.26 Å. There are two shorter (2.31 Å) and two longer (2.65 Å) Y(1)-O(2) bond lengths. Sb(1) is bonded to one O(4), two equivalent O(2), and two equivalent O(3) atoms to form distorted corner-sharing SbO5 square pyramids. The Sb(1)-O(4) bond length is 1.92 Å. There is one shorter (2.15 Å) and one longer (2.33 Å) Sb(1)-O(2) bond length. There is one shorter (2.11 Å) and one longer (2.29 Å) Sb(1)-O(3) bond length. There are four inequivalent O sites. In the first O site, O(1) is bonded in a square co-planar geometry to four equivalent Sr(1) atoms. In the second O site, O(2) is bonded in a distorted see-saw-like geometry to two equivalent Y(1) and two equivalent Sb(1) atoms. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Sr(1), one Y(1), and two equivalent Sb(1) atoms. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Sr(1) and one Sb(1) atom.