BaEuSmBiO6 is Orthorhombic Perovskite-derived structured and crystallizes in the triclinic P-1 space group. Ba(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 Sm sites. In the first Sm site, Sm(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form SmO6 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 28-35°. In the second Sm site, Sm(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form SmO6 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 28-36°. 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 Sm(2)O6 octahedra and corners with four equivalent Sm(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 28-36°. 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 Sm(1)O6 octahedra and corners with four equivalent Sm(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 28-35°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to two equivalent Ba(1), one Eu(1), one Sm(1), and one Bi(1) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Ba(1), two equivalent Eu(1), one Sm(2), and one Bi(2) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Ba(1), two equivalent Eu(1), one Sm(1), and one Bi(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to two equivalent Ba(1), one Eu(1), one Sm(2), and one Bi(2) atom. In the fifth O site, O(5) is bonded to one Ba(1), one Eu(1), one Sm(1), and one Bi(2) atom to form distorted corner-sharing OBaSmEuBi tetrahedra. In the sixth O site, O(6) is bonded to one Ba(1), one Eu(1), one Sm(2), and one Bi(1) atom to form distorted corner-sharing OBaSmEuBi tetrahedra.
BaEuSmBiO6 is Orthorhombic Perovskite-derived structured and crystallizes in the triclinic P-1 space group. Ba(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 Ba(1)-O(2) bond length is 3.00 Å. The Ba(1)-O(3) bond length is 2.99 Å. The Ba(1)-O(5) bond length is 2.73 Å. The Ba(1)-O(6) bond length is 2.88 Å. There is one shorter (2.69 Å) and one longer (3.16 Å) Ba(1)-O(1) bond length. There is one shorter (2.68 Å) and one longer (3.17 Å) Ba(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 2.85 Å. The Eu(1)-O(4) bond length is 2.83 Å. The Eu(1)-O(5) bond length is 2.59 Å. The Eu(1)-O(6) bond length is 2.46 Å. There is one shorter (2.56 Å) and one longer (3.04 Å) Eu(1)-O(2) bond length. There is one shorter (2.55 Å) and one longer (3.10 Å) Eu(1)-O(3) bond length. There are two inequivalent Sm sites. In the first Sm site, Sm(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form SmO6 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 28-35°. Both Sm(1)-O(1) bond lengths are 2.31 Å. Both Sm(1)-O(3) bond lengths are 2.38 Å. Both Sm(1)-O(5) bond lengths are 2.31 Å. In the second Sm site, Sm(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form SmO6 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 28-36°. Both Sm(2)-O(2) bond lengths are 2.36 Å. Both Sm(2)-O(4) bond lengths are 2.31 Å. Both Sm(2)-O(6) bond lengths are 2.36 Å. 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 Sm(2)O6 octahedra and corners with four equivalent Sm(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 28-36°. Both Bi(1)-O(1) bond lengths are 2.20 Å. Both Bi(1)-O(3) bond lengths are 2.22 Å. Both Bi(1)-O(6) bond lengths are 2.23 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 Sm(1)O6 octahedra and corners with four equivalent Sm(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 28-35°. Both Bi(2)-O(2) bond lengths are 2.24 Å. Both Bi(2)-O(4) bond lengths are 2.20 Å. Both Bi(2)-O(5) bond lengths are 2.20 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to two equivalent Ba(1), one Eu(1), one Sm(1), and one Bi(1) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Ba(1), two equivalent Eu(1), one Sm(2), and one Bi(2) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Ba(1), two equivalent Eu(1), one Sm(1), and one Bi(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to two equivalent Ba(1), one Eu(1), one Sm(2), and one Bi(2) atom. In the fifth O site, O(5) is bonded to one Ba(1), one Eu(1), one Sm(1), and one Bi(2) atom to form distorted corner-sharing OBaSmEuBi tetrahedra. In the sixth O site, O(6) is bonded to one Ba(1), one Eu(1), one Sm(2), and one Bi(1) atom to form distorted corner-sharing OBaSmEuBi tetrahedra.