ErPdGe crystallizes in the monoclinic C2/m space group. Er(1) is bonded in a 12-coordinate geometry to six equivalent Pd(1) and six equivalent Ge(1) atoms. Pd(1) is bonded in a 10-coordinate geometry to six equivalent Er(1), one Pd(1), and three equivalent Ge(1) atoms. Ge(1) is bonded in a 10-coordinate geometry to six equivalent Er(1), three equivalent Pd(1), and one Ge(1) atom.
ErPdGe crystallizes in the monoclinic C2/m space group. Er(1) is bonded in a 12-coordinate geometry to six equivalent Pd(1) and six equivalent Ge(1) atoms. There are a spread of Er(1)-Pd(1) bond distances ranging from 3.06-3.19 Å. There are a spread of Er(1)-Ge(1) bond distances ranging from 3.05-3.25 Å. Pd(1) is bonded in a 10-coordinate geometry to six equivalent Er(1), one Pd(1), and three equivalent Ge(1) atoms. The Pd(1)-Pd(1) bond length is 2.83 Å. There are two shorter (2.52 Å) and one longer (2.77 Å) Pd(1)-Ge(1) bond length. Ge(1) is bonded in a 10-coordinate geometry to six equivalent Er(1), three equivalent Pd(1), and one Ge(1) atom. The Ge(1)-Ge(1) bond length is 2.59 Å.