Gd2(IrGa3)3 crystallizes in the orthorhombic Cmcm space group. Gd(1) is bonded in a 11-coordinate geometry to one Ga(1), two equivalent Ga(3), two equivalent Ga(4), and six equivalent Ga(2) atoms. There are two inequivalent Ir sites. In the first Ir site, Ir(1) is bonded in a 8-coordinate geometry to two equivalent Ga(3), two equivalent Ga(4), and four equivalent Ga(2) atoms. In the second Ir site, Ir(2) is bonded in a 8-coordinate geometry to two equivalent Ga(1), two equivalent Ga(3), and four equivalent Ga(2) atoms. There are four inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 10-coordinate geometry to two equivalent Gd(1), two equivalent Ir(2), two equivalent Ga(4), and four equivalent Ga(2) atoms. In the second Ga site, Ga(2) is bonded in a 11-coordinate geometry to three equivalent Gd(1), one Ir(2), two equivalent Ir(1), one Ga(1), one Ga(3), one Ga(4), and two equivalent Ga(2) atoms. In the third Ga site, Ga(3) is bonded in a 10-coordinate geometry to two equivalent Gd(1), one Ir(2), two equivalent Ir(1), one Ga(3), two equivalent Ga(2), and two equivalent Ga(4) atoms. In the fourth Ga site, Ga(4) is bonded in a 10-coordinate geometry to two equivalent Gd(1), two equivalent Ir(1), one Ga(1), one Ga(4), two equivalent Ga(2), and two equivalent Ga(3) atoms.
Gd2(IrGa3)3 crystallizes in the orthorhombic Cmcm space group. Gd(1) is bonded in a 11-coordinate geometry to one Ga(1), two equivalent Ga(3), two equivalent Ga(4), and six equivalent Ga(2) atoms. The Gd(1)-Ga(1) bond length is 3.10 Å. Both Gd(1)-Ga(3) bond lengths are 3.04 Å. There is one shorter (3.07 Å) and one longer (3.14 Å) Gd(1)-Ga(4) bond length. There are four shorter (3.01 Å) and two longer (3.12 Å) Gd(1)-Ga(2) bond lengths. There are two inequivalent Ir sites. In the first Ir site, Ir(1) is bonded in a 8-coordinate geometry to two equivalent Ga(3), two equivalent Ga(4), and four equivalent Ga(2) atoms. Both Ir(1)-Ga(3) bond lengths are 2.63 Å. Both Ir(1)-Ga(4) bond lengths are 2.57 Å. There are two shorter (2.58 Å) and two longer (2.61 Å) Ir(1)-Ga(2) bond lengths. In the second Ir site, Ir(2) is bonded in a 8-coordinate geometry to two equivalent Ga(1), two equivalent Ga(3), and four equivalent Ga(2) atoms. Both Ir(2)-Ga(1) bond lengths are 2.57 Å. Both Ir(2)-Ga(3) bond lengths are 2.60 Å. All Ir(2)-Ga(2) bond lengths are 2.62 Å. There are four inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 10-coordinate geometry to two equivalent Gd(1), two equivalent Ir(2), two equivalent Ga(4), and four equivalent Ga(2) atoms. Both Ga(1)-Ga(4) bond lengths are 2.70 Å. All Ga(1)-Ga(2) bond lengths are 2.73 Å. In the second Ga site, Ga(2) is bonded in a 11-coordinate geometry to three equivalent Gd(1), one Ir(2), two equivalent Ir(1), one Ga(1), one Ga(3), one Ga(4), and two equivalent Ga(2) atoms. The Ga(2)-Ga(3) bond length is 2.85 Å. The Ga(2)-Ga(4) bond length is 2.75 Å. There is one shorter (2.91 Å) and one longer (2.94 Å) Ga(2)-Ga(2) bond length. In the third Ga site, Ga(3) is bonded in a 10-coordinate geometry to two equivalent Gd(1), one Ir(2), two equivalent Ir(1), one Ga(3), two equivalent Ga(2), and two equivalent Ga(4) atoms. The Ga(3)-Ga(3) bond length is 2.79 Å. Both Ga(3)-Ga(4) bond lengths are 2.78 Å. In the fourth Ga site, Ga(4) is bonded in a 10-coordinate geometry to two equivalent Gd(1), two equivalent Ir(1), one Ga(1), one Ga(4), two equivalent Ga(2), and two equivalent Ga(3) atoms. The Ga(4)-Ga(4) bond length is 2.68 Å.