Sr(RhGe)2 crystallizes in the tetragonal I4/mmm space group. Sr(1) is bonded in a 16-coordinate geometry to eight equivalent Rh(1) and eight equivalent Ge(1) atoms. Rh(1) is bonded to four equivalent Sr(1) and four equivalent Ge(1) atoms to form a mixture of distorted corner, edge, and face-sharing RhSr4Ge4 tetrahedra. Ge(1) is bonded in a 9-coordinate geometry to four equivalent Sr(1), four equivalent Rh(1), and one Ge(1) atom.
Sr(RhGe)2 crystallizes in the tetragonal I4/mmm space group. Sr(1) is bonded in a 16-coordinate geometry to eight equivalent Rh(1) and eight equivalent Ge(1) atoms. All Sr(1)-Rh(1) bond lengths are 3.43 Å. All Sr(1)-Ge(1) bond lengths are 3.30 Å. Rh(1) is bonded to four equivalent Sr(1) and four equivalent Ge(1) atoms to form a mixture of distorted corner, edge, and face-sharing RhSr4Ge4 tetrahedra. All Rh(1)-Ge(1) bond lengths are 2.45 Å. Ge(1) is bonded in a 9-coordinate geometry to four equivalent Sr(1), four equivalent Rh(1), and one Ge(1) atom. The Ge(1)-Ge(1) bond length is 2.90 Å.