Ba2Mg(IrGe)4 crystallizes in the orthorhombic Cmcm space group. Ba(1) is bonded in a 18-coordinate geometry to two equivalent Ba(1), two equivalent Mg(1), two equivalent Ir(1), four equivalent Ir(2), four equivalent Ge(1), and four equivalent Ge(2) atoms. Mg(1) is bonded in a 8-coordinate geometry to four equivalent Ba(1), two equivalent Ir(1), two equivalent Ir(2), two equivalent Ge(1), and two equivalent Ge(2) atoms. There are two inequivalent Ir sites. In the first Ir site, Ir(2) is bonded in a 5-coordinate geometry to four equivalent Ba(1), one Mg(1), two equivalent Ge(1), and two equivalent Ge(2) atoms. In the second Ir site, Ir(1) is bonded in a 5-coordinate geometry to two equivalent Ba(1), one Mg(1), two equivalent Ge(1), and two equivalent Ge(2) atoms. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to four equivalent Ba(1), one Mg(1), two equivalent Ir(1), and two equivalent Ir(2) atoms. In the second Ge site, Ge(2) is bonded in a 7-coordinate geometry to four equivalent Ba(1), one Mg(1), two equivalent Ir(1), and two equivalent Ir(2) atoms.
Ba2Mg(IrGe)4 crystallizes in the orthorhombic Cmcm space group. Ba(1) is bonded in a 18-coordinate geometry to two equivalent Ba(1), two equivalent Mg(1), two equivalent Ir(1), four equivalent Ir(2), four equivalent Ge(1), and four equivalent Ge(2) atoms. Both Ba(1)-Ba(1) bond lengths are 3.74 Å. Both Ba(1)-Mg(1) bond lengths are 3.73 Å. Both Ba(1)-Ir(1) bond lengths are 3.61 Å. There are two shorter (3.60 Å) and two longer (3.86 Å) Ba(1)-Ir(2) bond lengths. There are two shorter (3.51 Å) and two longer (3.62 Å) Ba(1)-Ge(1) bond lengths. There are two shorter (3.44 Å) and two longer (3.63 Å) Ba(1)-Ge(2) bond lengths. Mg(1) is bonded in a 8-coordinate geometry to four equivalent Ba(1), two equivalent Ir(1), two equivalent Ir(2), two equivalent Ge(1), and two equivalent Ge(2) atoms. Both Mg(1)-Ir(1) bond lengths are 2.90 Å. Both Mg(1)-Ir(2) bond lengths are 2.83 Å. Both Mg(1)-Ge(1) bond lengths are 3.06 Å. Both Mg(1)-Ge(2) bond lengths are 3.04 Å. There are two inequivalent Ir sites. In the first Ir site, Ir(2) is bonded in a 5-coordinate geometry to four equivalent Ba(1), one Mg(1), two equivalent Ge(1), and two equivalent Ge(2) atoms. Both Ir(2)-Ge(1) bond lengths are 2.52 Å. There is one shorter (2.43 Å) and one longer (2.56 Å) Ir(2)-Ge(2) bond length. In the second Ir site, Ir(1) is bonded in a 5-coordinate geometry to two equivalent Ba(1), one Mg(1), two equivalent Ge(1), and two equivalent Ge(2) atoms. There is one shorter (2.40 Å) and one longer (2.51 Å) Ir(1)-Ge(1) bond length. Both Ir(1)-Ge(2) bond lengths are 2.49 Å. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to four equivalent Ba(1), one Mg(1), two equivalent Ir(1), and two equivalent Ir(2) atoms. In the second Ge site, Ge(2) is bonded in a 7-coordinate geometry to four equivalent Ba(1), one Mg(1), two equivalent Ir(1), and two equivalent Ir(2) atoms.