TbMnO3 crystallizes in the orthorhombic Pnma space group. Tb(1) is bonded to two equivalent O(2) and four equivalent O(1) atoms to form a mixture of corner and edge-sharing TbO6 octahedra. The corner-sharing octahedral tilt angles range from 0-1°. Mn(1) is bonded in a square co-planar geometry to four equivalent O(2) atoms. There are two inequivalent O sites. In the first O site, O(1) is bonded in a square co-planar geometry to four equivalent Tb(1) atoms. In the second O site, O(2) is bonded in a trigonal planar geometry to one Tb(1) and two equivalent Mn(1) atoms.
TbMnO3 crystallizes in the orthorhombic Pnma space group. Tb(1) is bonded to two equivalent O(2) and four equivalent O(1) atoms to form a mixture of corner and edge-sharing TbO6 octahedra. The corner-sharing octahedral tilt angles range from 0-1°. Both Tb(1)-O(2) bond lengths are 2.28 Å. There are a spread of Tb(1)-O(1) bond distances ranging from 2.26-2.30 Å. Mn(1) is bonded in a square co-planar geometry to four equivalent O(2) atoms. There are two shorter (1.99 Å) and two longer (2.02 Å) Mn(1)-O(2) bond lengths. There are two inequivalent O sites. In the first O site, O(1) is bonded in a square co-planar geometry to four equivalent Tb(1) atoms. In the second O site, O(2) is bonded in a trigonal planar geometry to one Tb(1) and two equivalent Mn(1) atoms.