Os2Ge3 crystallizes in the orthorhombic Pbcn space group. There are three inequivalent Os sites. In the first Os site, Os(3) is bonded in a 7-coordinate geometry to two equivalent Ge(1), two equivalent Ge(3), and three equivalent Ge(2) atoms. In the second Os site, Os(1) is bonded to two equivalent Ge(3) and four equivalent Ge(1) atoms to form distorted edge-sharing OsGe6 octahedra. In the third Os site, Os(2) is bonded in a 8-coordinate geometry to four equivalent Ge(2) and four equivalent Ge(3) atoms. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 4-coordinate geometry to two equivalent Os(1) and two equivalent Os(3) atoms. In the second Ge site, Ge(2) is bonded in a 4-coordinate geometry to two equivalent Os(2) and three equivalent Os(3) atoms. In the third Ge site, Ge(3) is bonded in a 5-coordinate geometry to one Os(1), two equivalent Os(2), and two equivalent Os(3) atoms.
Os2Ge3 crystallizes in the orthorhombic Pbcn space group. There are three inequivalent Os sites. In the first Os site, Os(3) is bonded in a 7-coordinate geometry to two equivalent Ge(1), two equivalent Ge(3), and three equivalent Ge(2) atoms. There is one shorter (2.51 Å) and one longer (2.54 Å) Os(3)-Ge(1) bond length. There is one shorter (2.58 Å) and one longer (2.61 Å) Os(3)-Ge(3) bond length. There are a spread of Os(3)-Ge(2) bond distances ranging from 2.44-2.61 Å. In the second Os site, Os(1) is bonded to two equivalent Ge(3) and four equivalent Ge(1) atoms to form distorted edge-sharing OsGe6 octahedra. Both Os(1)-Ge(3) bond lengths are 2.45 Å. There are two shorter (2.42 Å) and two longer (2.54 Å) Os(1)-Ge(1) bond lengths. In the third Os site, Os(2) is bonded in a 8-coordinate geometry to four equivalent Ge(2) and four equivalent Ge(3) atoms. There are two shorter (2.46 Å) and two longer (2.86 Å) Os(2)-Ge(2) bond lengths. There are two shorter (2.48 Å) and two longer (2.75 Å) Os(2)-Ge(3) bond lengths. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 4-coordinate geometry to two equivalent Os(1) and two equivalent Os(3) atoms. In the second Ge site, Ge(2) is bonded in a 4-coordinate geometry to two equivalent Os(2) and three equivalent Os(3) atoms. In the third Ge site, Ge(3) is bonded in a 5-coordinate geometry to one Os(1), two equivalent Os(2), and two equivalent Os(3) atoms.