EuIn2(IrGe)4 crystallizes in the tetragonal I-42m space group. Eu(1) is bonded in a 16-coordinate geometry to four equivalent Ir(1), four equivalent In(1), and eight equivalent Ge(1) atoms. Ir(1) is bonded in a 6-coordinate geometry to one Eu(1), two equivalent In(1), and four equivalent Ge(1) atoms. In(1) is bonded in a 10-coordinate geometry to two equivalent Eu(1), four equivalent Ir(1), and four equivalent Ge(1) atoms. Ge(1) is bonded in a 8-coordinate geometry to two equivalent Eu(1), four equivalent Ir(1), and two equivalent In(1) atoms.
EuIn2(IrGe)4 crystallizes in the tetragonal I-42m space group. Eu(1) is bonded in a 16-coordinate geometry to four equivalent Ir(1), four equivalent In(1), and eight equivalent Ge(1) atoms. All Eu(1)-Ir(1) bond lengths are 3.51 Å. All Eu(1)-In(1) bond lengths are 3.51 Å. There are four shorter (3.25 Å) and four longer (3.58 Å) Eu(1)-Ge(1) bond lengths. Ir(1) is bonded in a 6-coordinate geometry to one Eu(1), two equivalent In(1), and four equivalent Ge(1) atoms. Both Ir(1)-In(1) bond lengths are 2.79 Å. There are a spread of Ir(1)-Ge(1) bond distances ranging from 2.40-2.63 Å. In(1) is bonded in a 10-coordinate geometry to two equivalent Eu(1), four equivalent Ir(1), and four equivalent Ge(1) atoms. All In(1)-Ge(1) bond lengths are 3.09 Å. Ge(1) is bonded in a 8-coordinate geometry to two equivalent Eu(1), four equivalent Ir(1), and two equivalent In(1) atoms.