SrEuBiSbO6 crystallizes in the triclinic P-1 space group. Sr(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. Eu(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. There are two inequivalent Bi sites. In the first Bi site, Bi(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(6) atoms to form BiO6 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 33-34°. In the second Bi site, Bi(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms to form BiO6 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 31-36°. 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 Bi(2)O6 octahedra and corners with four equivalent Bi(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 33-36°. 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 Bi(1)O6 octahedra and corners with four equivalent Bi(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 31-35°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Sr(1), two equivalent Eu(1), one Bi(1), and one Sb(1) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to two equivalent Sr(1), one Eu(1), one Bi(2), and one Sb(2) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to two equivalent Sr(1), one Eu(1), one Bi(1), and one Sb(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Sr(1), two equivalent Eu(1), one Bi(2), and one Sb(2) atom. In the fifth O site, O(5) is bonded to one Sr(1), one Eu(1), one Bi(2), and one Sb(1) atom to form distorted corner-sharing OSrEuBiSb tetrahedra. In the sixth O site, O(6) is bonded to one Sr(1), one Eu(1), one Bi(1), and one Sb(2) atom to form distorted corner-sharing OSrEuBiSb tetrahedra.
SrEuBiSbO6 crystallizes in the triclinic P-1 space group. Sr(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 Sr(1)-O(1) bond length is 2.79 Å. The Sr(1)-O(4) bond length is 2.83 Å. The Sr(1)-O(5) bond length is 2.64 Å. The Sr(1)-O(6) bond length is 2.52 Å. There is one shorter (2.55 Å) and one longer (3.04 Å) Sr(1)-O(2) bond length. There is one shorter (2.54 Å) and one longer (3.01 Å) Sr(1)-O(3) bond length. Eu(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 Eu(1)-O(2) bond length is 2.79 Å. The Eu(1)-O(3) bond length is 2.80 Å. The Eu(1)-O(5) bond length is 2.48 Å. The Eu(1)-O(6) bond length is 2.57 Å. There is one shorter (2.51 Å) and one longer (3.07 Å) Eu(1)-O(1) bond length. There is one shorter (2.51 Å) and one longer (3.00 Å) Eu(1)-O(4) bond length. There are two inequivalent Bi sites. In the first Bi site, Bi(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(6) atoms to form BiO6 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 33-34°. Both Bi(1)-O(1) bond lengths are 2.38 Å. Both Bi(1)-O(3) bond lengths are 2.39 Å. Both Bi(1)-O(6) bond lengths are 2.38 Å. In the second Bi site, Bi(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms to form BiO6 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 31-36°. Both Bi(2)-O(2) bond lengths are 2.37 Å. Both Bi(2)-O(4) bond lengths are 2.39 Å. Both Bi(2)-O(5) bond lengths are 2.39 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 Bi(2)O6 octahedra and corners with four equivalent Bi(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 33-36°. Both Sb(1)-O(1) bond lengths are 2.06 Å. Both Sb(1)-O(3) bond lengths are 2.05 Å. Both Sb(1)-O(5) bond lengths are 2.07 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 Bi(1)O6 octahedra and corners with four equivalent Bi(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 31-35°. Both Sb(2)-O(2) bond lengths are 2.05 Å. Both Sb(2)-O(4) bond lengths are 2.07 Å. Both Sb(2)-O(6) bond lengths are 2.06 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Sr(1), two equivalent Eu(1), one Bi(1), and one Sb(1) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to two equivalent Sr(1), one Eu(1), one Bi(2), and one Sb(2) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to two equivalent Sr(1), one Eu(1), one Bi(1), and one Sb(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Sr(1), two equivalent Eu(1), one Bi(2), and one Sb(2) atom. In the fifth O site, O(5) is bonded to one Sr(1), one Eu(1), one Bi(2), and one Sb(1) atom to form distorted corner-sharing OSrEuBiSb tetrahedra. In the sixth O site, O(6) is bonded to one Sr(1), one Eu(1), one Bi(1), and one Sb(2) atom to form distorted corner-sharing OSrEuBiSb tetrahedra.