BaSrTbSbO6 is Orthorhombic Perovskite-derived structured and crystallizes in the triclinic P-1 space group. Ba(1) is bonded in a 12-coordinate geometry to two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), two equivalent O(5), and two equivalent O(6) atoms. 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. There are two inequivalent Tb sites. In the first Tb site, Tb(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form TbO6 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 17-20°. In the second Tb site, Tb(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form TbO6 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 15-21°. 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(6) atoms to form SbO6 octahedra that share corners with two equivalent Tb(2)O6 octahedra and corners with four equivalent Tb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 17-21°. In the second Sb site, Sb(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms to form SbO6 octahedra that share corners with two equivalent Tb(1)O6 octahedra and corners with four equivalent Tb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 15-20°. 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 Sr(1), one Tb(1), and one Sb(1) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to two equivalent Ba(1), two equivalent Sr(1), one Tb(2), and one Sb(2) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to two equivalent Ba(1), two equivalent Sr(1), one Tb(1), and one Sb(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to two equivalent Ba(1), one Sr(1), one Tb(2), and one Sb(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Ba(1), one Sr(1), one Tb(1), and one Sb(2) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to two equivalent Ba(1), one Sr(1), one Tb(2), and one Sb(1) atom.
BaSrTbSbO6 is Orthorhombic Perovskite-derived structured and crystallizes in the triclinic P-1 space group. Ba(1) is bonded in a 12-coordinate geometry to two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), two equivalent O(5), and two equivalent O(6) atoms. There is one shorter (2.72 Å) and one longer (3.01 Å) Ba(1)-O(1) bond length. There is one shorter (2.94 Å) and one longer (3.42 Å) Ba(1)-O(2) bond length. There is one shorter (2.91 Å) and one longer (3.40 Å) Ba(1)-O(3) bond length. There is one shorter (2.75 Å) and one longer (2.99 Å) Ba(1)-O(4) bond length. There is one shorter (2.74 Å) and one longer (3.26 Å) Ba(1)-O(5) bond length. There is one shorter (2.93 Å) and one longer (3.11 Å) Ba(1)-O(6) bond length. 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 2.90 Å. The Sr(1)-O(4) bond length is 2.89 Å. The Sr(1)-O(5) bond length is 2.72 Å. The Sr(1)-O(6) bond length is 2.62 Å. There is one shorter (2.69 Å) and one longer (2.94 Å) Sr(1)-O(2) bond length. There is one shorter (2.69 Å) and one longer (3.02 Å) Sr(1)-O(3) bond length. There are two inequivalent Tb sites. In the first Tb site, Tb(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form TbO6 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 17-20°. Both Tb(1)-O(1) bond lengths are 2.25 Å. Both Tb(1)-O(3) bond lengths are 2.27 Å. Both Tb(1)-O(5) bond lengths are 2.25 Å. In the second Tb site, Tb(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form TbO6 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 15-21°. Both Tb(2)-O(2) bond lengths are 2.27 Å. Both Tb(2)-O(4) bond lengths are 2.24 Å. Both Tb(2)-O(6) bond lengths are 2.27 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(6) atoms to form SbO6 octahedra that share corners with two equivalent Tb(2)O6 octahedra and corners with four equivalent Tb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 17-21°. Both Sb(1)-O(1) bond lengths are 2.01 Å. Both Sb(1)-O(3) bond lengths are 2.02 Å. Both Sb(1)-O(6) bond lengths are 2.02 Å. In the second Sb site, Sb(2) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms to form SbO6 octahedra that share corners with two equivalent Tb(1)O6 octahedra and corners with four equivalent Tb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 15-20°. Both Sb(2)-O(2) bond lengths are 2.03 Å. Both Sb(2)-O(4) bond lengths are 2.01 Å. Both Sb(2)-O(5) bond lengths are 2.01 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 Sr(1), one Tb(1), and one Sb(1) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to two equivalent Ba(1), two equivalent Sr(1), one Tb(2), and one Sb(2) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to two equivalent Ba(1), two equivalent Sr(1), one Tb(1), and one Sb(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to two equivalent Ba(1), one Sr(1), one Tb(2), and one Sb(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Ba(1), one Sr(1), one Tb(1), and one Sb(2) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to two equivalent Ba(1), one Sr(1), one Tb(2), and one Sb(1) atom.