YbOsB2 crystallizes in the orthorhombic Pnma space group. Yb(1) is bonded in a 12-coordinate geometry to four equivalent Os(1) and eight equivalent B(1) atoms. Os(1) is bonded in a 7-coordinate geometry to four equivalent Yb(1) and six equivalent B(1) atoms. B(1) is bonded in a 9-coordinate geometry to four equivalent Yb(1), three equivalent Os(1), and two equivalent B(1) atoms.
YbOsB2 crystallizes in the orthorhombic Pnma space group. Yb(1) is bonded in a 12-coordinate geometry to four equivalent Os(1) and eight equivalent B(1) atoms. There are a spread of Yb(1)-Os(1) bond distances ranging from 2.87-3.02 Å. There are a spread of Yb(1)-B(1) bond distances ranging from 2.64-2.86 Å. Os(1) is bonded in a 7-coordinate geometry to four equivalent Yb(1) and six equivalent B(1) atoms. There are a spread of Os(1)-B(1) bond distances ranging from 2.19-2.27 Å. B(1) is bonded in a 9-coordinate geometry to four equivalent Yb(1), three equivalent Os(1), and two equivalent B(1) atoms. There is one shorter (1.76 Å) and one longer (1.87 Å) B(1)-B(1) bond length.