SrEuLaSbO6 is Orthorhombic Perovskite-derived structured and crystallizes in the triclinic P-1 space group. Sr(1) is bonded in a 8-coordinate geometry to one O(2), one O(3), one O(5), one O(6), two equivalent O(1), and two equivalent O(4) atoms. Eu(1) is bonded in a 8-coordinate geometry to one O(1), one O(4), one O(5), one O(6), two equivalent O(2), and two equivalent O(3) atoms. There are two inequivalent La sites. In the first La site, La(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(6) atoms to form LaO6 octahedra that share corners with two equivalent Sb(2)O6 octahedra and corners with four equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 32-35°. In the second La site, La(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms to form LaO6 octahedra that share corners with two equivalent Sb(1)O6 octahedra and corners with four equivalent Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 33-34°. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form SbO6 octahedra that share corners with two equivalent La(2)O6 octahedra and corners with four equivalent La(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 32-35°. In the second Sb site, Sb(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form SbO6 octahedra that share corners with two equivalent La(1)O6 octahedra and corners with four equivalent La(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 33-35°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to two equivalent Sr(1), one Eu(1), one La(1), and one Sb(1) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Sr(1), two equivalent Eu(1), one La(2), and one Sb(2) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Sr(1), two equivalent Eu(1), one La(1), and one Sb(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to two equivalent Sr(1), one Eu(1), one La(2), and one Sb(2) atom. In the fifth O site, O(5) is bonded to one Sr(1), one Eu(1), one La(2), and one Sb(1) atom to form distorted corner-sharing OSrLaEuSb tetrahedra. In the sixth O site, O(6) is bonded to one Sr(1), one Eu(1), one La(1), and one Sb(2) atom to form distorted corner-sharing OSrLaEuSb tetrahedra.
SrEuLaSbO6 is Orthorhombic Perovskite-derived structured and crystallizes in the triclinic P-1 space group. Sr(1) is bonded in a 8-coordinate geometry to one O(2), one O(3), one O(5), one O(6), two equivalent O(1), and two equivalent O(4) atoms. The Sr(1)-O(2) bond length is 2.79 Å. The Sr(1)-O(3) bond length is 2.83 Å. The Sr(1)-O(5) bond length is 2.53 Å. The Sr(1)-O(6) bond length is 2.63 Å. There is one shorter (2.52 Å) and one longer (3.07 Å) Sr(1)-O(1) bond length. There is one shorter (2.54 Å) and one longer (2.99 Å) Sr(1)-O(4) bond length. Eu(1) is bonded in a 8-coordinate geometry to one O(1), one O(4), one O(5), one O(6), two equivalent O(2), and two equivalent O(3) atoms. The Eu(1)-O(1) bond length is 2.79 Å. The Eu(1)-O(4) bond length is 2.81 Å. The Eu(1)-O(5) bond length is 2.59 Å. The Eu(1)-O(6) bond length is 2.48 Å. There is one shorter (2.50 Å) and one longer (3.08 Å) Eu(1)-O(2) bond length. There is one shorter (2.51 Å) and one longer (2.98 Å) Eu(1)-O(3) bond length. There are two inequivalent La sites. In the first La site, La(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(6) atoms to form LaO6 octahedra that share corners with two equivalent Sb(2)O6 octahedra and corners with four equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 32-35°. Both La(1)-O(1) bond lengths are 2.38 Å. Both La(1)-O(3) bond lengths are 2.40 Å. Both La(1)-O(6) bond lengths are 2.41 Å. In the second La site, La(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms to form LaO6 octahedra that share corners with two equivalent Sb(1)O6 octahedra and corners with four equivalent Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 33-34°. Both La(2)-O(2) bond lengths are 2.40 Å. Both La(2)-O(4) bond lengths are 2.39 Å. Both La(2)-O(5) bond lengths are 2.40 Å. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form SbO6 octahedra that share corners with two equivalent La(2)O6 octahedra and corners with four equivalent La(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 32-35°. Both Sb(1)-O(1) bond lengths are 2.02 Å. Both Sb(1)-O(3) bond lengths are 2.04 Å. Both Sb(1)-O(5) bond lengths are 2.03 Å. In the second Sb site, Sb(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form SbO6 octahedra that share corners with two equivalent La(1)O6 octahedra and corners with four equivalent La(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 33-35°. Both Sb(2)-O(2) bond lengths are 2.03 Å. Both Sb(2)-O(4) bond lengths are 2.04 Å. Both Sb(2)-O(6) bond lengths are 2.04 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to two equivalent Sr(1), one Eu(1), one La(1), and one Sb(1) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Sr(1), two equivalent Eu(1), one La(2), and one Sb(2) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Sr(1), two equivalent Eu(1), one La(1), and one Sb(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to two equivalent Sr(1), one Eu(1), one La(2), and one Sb(2) atom. In the fifth O site, O(5) is bonded to one Sr(1), one Eu(1), one La(2), and one Sb(1) atom to form distorted corner-sharing OSrLaEuSb tetrahedra. In the sixth O site, O(6) is bonded to one Sr(1), one Eu(1), one La(1), and one Sb(2) atom to form distorted corner-sharing OSrLaEuSb tetrahedra.