Ga3Pd5 crystallizes in the orthorhombic Pbam space group. There are three inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 6-coordinate geometry to two equivalent Ga(1) and four equivalent Ga(2) atoms. In the second Pd site, Pd(2) is bonded in a 5-coordinate geometry to one Ga(1) and four equivalent Ga(2) atoms. In the third Pd site, Pd(3) is bonded in a 6-coordinate geometry to two equivalent Ga(1) and four equivalent Ga(2) atoms. There are two inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a body-centered cubic geometry to two equivalent Pd(1), two equivalent Pd(2), and four equivalent Pd(3) atoms. In the second Ga site, Ga(2) is bonded in a 10-coordinate geometry to two equivalent Pd(1), four equivalent Pd(2), and four equivalent Pd(3) atoms.
Ga3Pd5 crystallizes in the orthorhombic Pbam space group. There are three inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 6-coordinate geometry to two equivalent Ga(1) and four equivalent Ga(2) atoms. Both Pd(1)-Ga(1) bond lengths are 2.74 Å. All Pd(1)-Ga(2) bond lengths are 2.68 Å. In the second Pd site, Pd(2) is bonded in a 5-coordinate geometry to one Ga(1) and four equivalent Ga(2) atoms. The Pd(2)-Ga(1) bond length is 2.51 Å. There are two shorter (2.60 Å) and two longer (2.75 Å) Pd(2)-Ga(2) bond lengths. In the third Pd site, Pd(3) is bonded in a 6-coordinate geometry to two equivalent Ga(1) and four equivalent Ga(2) atoms. Both Pd(3)-Ga(1) bond lengths are 2.52 Å. There are a spread of Pd(3)-Ga(2) bond distances ranging from 2.58-2.97 Å. There are two inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a body-centered cubic geometry to two equivalent Pd(1), two equivalent Pd(2), and four equivalent Pd(3) atoms. In the second Ga site, Ga(2) is bonded in a 10-coordinate geometry to two equivalent Pd(1), four equivalent Pd(2), and four equivalent Pd(3) atoms.