SrEuPrSbO6 is Orthorhombic Perovskite-derived structured and crystallizes in the orthorhombic Pnnn space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a distorted square co-planar geometry to four equivalent O(1) and four equivalent O(2) atoms. In the second Sr site, Sr(2) is bonded in a distorted square co-planar geometry to four equivalent O(2) and four equivalent O(3) atoms. There are two inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in a distorted square co-planar geometry to four equivalent O(1) and four equivalent O(3) atoms. In the second Eu site, Eu(2) is bonded in a q6 geometry to four equivalent O(1), four equivalent O(2), and four equivalent O(3) atoms. Pr(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form PrO6 octahedra that share corners with six equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-27°. 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 Pr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-27°. There are three inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Sr(1), one Eu(1), one Eu(2), one Pr(1), and one Sb(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Sr(1), one Sr(2), one Eu(2), one Pr(1), and one Sb(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Sr(2), one Eu(1), one Eu(2), one Pr(1), and one Sb(1) atom.
SrEuPrSbO6 is Orthorhombic Perovskite-derived structured and crystallizes in the orthorhombic Pnnn space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a distorted square co-planar geometry to four equivalent O(1) and four equivalent O(2) atoms. All Sr(1)-O(1) bond lengths are 3.12 Å. All Sr(1)-O(2) bond lengths are 2.53 Å. In the second Sr site, Sr(2) is bonded in a distorted square co-planar geometry to four equivalent O(2) and four equivalent O(3) atoms. All Sr(2)-O(2) bond lengths are 3.11 Å. All Sr(2)-O(3) bond lengths are 2.53 Å. There are two inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in a distorted square co-planar geometry to four equivalent O(1) and four equivalent O(3) atoms. All Eu(1)-O(1) bond lengths are 2.51 Å. All Eu(1)-O(3) bond lengths are 3.11 Å. In the second Eu site, Eu(2) is bonded in a q6 geometry to four equivalent O(1), four equivalent O(2), and four equivalent O(3) atoms. All Eu(2)-O(1) bond lengths are 3.01 Å. All Eu(2)-O(2) bond lengths are 3.01 Å. All Eu(2)-O(3) bond lengths are 3.01 Å. Pr(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form PrO6 octahedra that share corners with six equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-27°. Both Pr(1)-O(1) bond lengths are 2.36 Å. Both Pr(1)-O(2) bond lengths are 2.36 Å. Both Pr(1)-O(3) bond lengths are 2.36 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 Pr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 26-27°. Both Sb(1)-O(1) bond lengths are 2.02 Å. Both Sb(1)-O(2) bond lengths are 2.02 Å. Both Sb(1)-O(3) bond lengths are 2.02 Å. There are three inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Sr(1), one Eu(1), one Eu(2), one Pr(1), and one Sb(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Sr(1), one Sr(2), one Eu(2), one Pr(1), and one Sb(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Sr(2), one Eu(1), one Eu(2), one Pr(1), and one Sb(1) atom.