Ba2TbPrO6 is Orthorhombic Perovskite-derived structured and crystallizes in the cubic Pn-3 space group. There are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded to twelve equivalent O(1) atoms to form BaO12 cuboctahedra that share faces with four equivalent Tb(1)O6 octahedra and faces with four equivalent Pr(1)O6 octahedra. In the second Ba site, Ba(2) is bonded in a 8-coordinate geometry to eight equivalent O(1) atoms. Tb(1) is bonded to six equivalent O(1) atoms to form TbO6 octahedra that share corners with six equivalent Pr(1)O6 octahedra and faces with two equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles are 20°. Pr(1) is bonded to six equivalent O(1) atoms to form PrO6 octahedra that share corners with six equivalent Tb(1)O6 octahedra and faces with two equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles are 20°. O(1) is bonded in a 5-coordinate geometry to one Ba(1), two equivalent Ba(2), one Tb(1), and one Pr(1) atom.
Ba2TbPrO6 is Orthorhombic Perovskite-derived structured and crystallizes in the cubic Pn-3 space group. There are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded to twelve equivalent O(1) atoms to form BaO12 cuboctahedra that share faces with four equivalent Tb(1)O6 octahedra and faces with four equivalent Pr(1)O6 octahedra. All Ba(1)-O(1) bond lengths are 3.18 Å. In the second Ba site, Ba(2) is bonded in a 8-coordinate geometry to eight equivalent O(1) atoms. There are four shorter (2.78 Å) and four longer (3.24 Å) Ba(2)-O(1) bond lengths. Tb(1) is bonded to six equivalent O(1) atoms to form TbO6 octahedra that share corners with six equivalent Pr(1)O6 octahedra and faces with two equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles are 20°. All Tb(1)-O(1) bond lengths are 2.24 Å. Pr(1) is bonded to six equivalent O(1) atoms to form PrO6 octahedra that share corners with six equivalent Tb(1)O6 octahedra and faces with two equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles are 20°. All Pr(1)-O(1) bond lengths are 2.33 Å. O(1) is bonded in a 5-coordinate geometry to one Ba(1), two equivalent Ba(2), one Tb(1), and one Pr(1) atom.