BaCeO3 is Orthorhombic Perovskite-like structured and crystallizes in the orthorhombic Imma space group. Ba(1) is bonded in a 5-coordinate geometry to three equivalent O(2) and four equivalent O(1) atoms. Ce(1) is bonded to two equivalent O(2) and four equivalent O(1) atoms to form corner-sharing CeO6 octahedra. The corner-sharing octahedral tilt angles range from 20-26°. There are two inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to two equivalent Ba(1) and two equivalent Ce(1) atoms. In the second O site, O(2) is bonded in a 5-coordinate geometry to three equivalent Ba(1) and two equivalent Ce(1) atoms.
BaCeO3 is Orthorhombic Perovskite-like structured and crystallizes in the orthorhombic Imma space group. Ba(1) is bonded in a 5-coordinate geometry to three equivalent O(2) and four equivalent O(1) atoms. There is one shorter (2.70 Å) and two longer (3.17 Å) Ba(1)-O(2) bond lengths. All Ba(1)-O(1) bond lengths are 2.82 Å. Ce(1) is bonded to two equivalent O(2) and four equivalent O(1) atoms to form corner-sharing CeO6 octahedra. The corner-sharing octahedral tilt angles range from 20-26°. Both Ce(1)-O(2) bond lengths are 2.25 Å. All Ce(1)-O(1) bond lengths are 2.25 Å. There are two inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to two equivalent Ba(1) and two equivalent Ce(1) atoms. In the second O site, O(2) is bonded in a 5-coordinate geometry to three equivalent Ba(1) and two equivalent Ce(1) atoms.