Er3Mn3GeGa2 crystallizes in the hexagonal P-62m space group. Er(1) is bonded in a 11-coordinate geometry to six equivalent Mn(1), four equivalent Ga(1), and one Ge(1) atom. Mn(1) is bonded in a 12-coordinate geometry to six equivalent Er(1), two equivalent Mn(1), two equivalent Ga(1), and two equivalent Ge(1) atoms. Ga(1) is bonded in a 9-coordinate geometry to six equivalent Er(1) and three equivalent Mn(1) atoms. Ge(1) is bonded in a 9-coordinate geometry to three equivalent Er(1) and six equivalent Mn(1) atoms.
Er3Mn3GeGa2 crystallizes in the hexagonal P-62m space group. Er(1) is bonded in a 11-coordinate geometry to six equivalent Mn(1), four equivalent Ga(1), and one Ge(1) atom. There are two shorter (3.22 Å) and four longer (3.25 Å) Er(1)-Mn(1) bond lengths. All Er(1)-Ga(1) bond lengths are 2.95 Å. The Er(1)-Ge(1) bond length is 2.93 Å. Mn(1) is bonded in a 12-coordinate geometry to six equivalent Er(1), two equivalent Mn(1), two equivalent Ga(1), and two equivalent Ge(1) atoms. Both Mn(1)-Mn(1) bond lengths are 2.87 Å. Both Mn(1)-Ga(1) bond lengths are 2.79 Å. Both Mn(1)-Ge(1) bond lengths are 2.62 Å. Ga(1) is bonded in a 9-coordinate geometry to six equivalent Er(1) and three equivalent Mn(1) atoms. Ge(1) is bonded in a 9-coordinate geometry to three equivalent Er(1) and six equivalent Mn(1) atoms.