CeOs2B2 crystallizes in the orthorhombic Fddd space group. Ce(1) is bonded in a 10-coordinate geometry to four equivalent Os(1) and six equivalent B(1) atoms. Os(1) is bonded in a 4-coordinate geometry to two equivalent Ce(1) and four equivalent B(1) atoms. B(1) is bonded in a 7-coordinate geometry to three equivalent Ce(1) and four equivalent Os(1) atoms.
CeOs2B2 crystallizes in the orthorhombic Fddd space group. Ce(1) is bonded in a 10-coordinate geometry to four equivalent Os(1) and six equivalent B(1) atoms. All Ce(1)-Os(1) bond lengths are 3.02 Å. There are two shorter (2.85 Å) and four longer (3.06 Å) Ce(1)-B(1) bond lengths. Os(1) is bonded in a 4-coordinate geometry to two equivalent Ce(1) and four equivalent B(1) atoms. There are two shorter (2.09 Å) and two longer (2.17 Å) Os(1)-B(1) bond lengths. B(1) is bonded in a 7-coordinate geometry to three equivalent Ce(1) and four equivalent Os(1) atoms.