Dy3Ga5 crystallizes in the orthorhombic Pnma space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 9-coordinate geometry to one Ga(2), two equivalent Ga(3), two equivalent Ga(4), and four equivalent Ga(1) atoms. In the second Dy site, Dy(2) is bonded in a 10-coordinate geometry to two equivalent Ga(2), two equivalent Ga(3), two equivalent Ga(4), and four equivalent Ga(1) atoms. There are four inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 10-coordinate geometry to two equivalent Dy(1), four equivalent Dy(2), one Ga(1), one Ga(2), one Ga(3), and one Ga(4) atom. In the second Ga site, Ga(2) is bonded in a 10-coordinate geometry to one Dy(1), four equivalent Dy(2), one Ga(4), two equivalent Ga(1), and two equivalent Ga(3) atoms. In the third Ga site, Ga(3) is bonded in a 10-coordinate geometry to two equivalent Dy(1), four equivalent Dy(2), two equivalent Ga(1), and two equivalent Ga(2) atoms. In the fourth Ga site, Ga(4) is bonded in a 9-coordinate geometry to two equivalent Dy(1), four equivalent Dy(2), one Ga(2), and two equivalent Ga(1) atoms.
Dy3Ga5 crystallizes in the orthorhombic Pnma space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 9-coordinate geometry to one Ga(2), two equivalent Ga(3), two equivalent Ga(4), and four equivalent Ga(1) atoms. The Dy(1)-Ga(2) bond length is 2.83 Å. There is one shorter (3.04 Å) and one longer (3.28 Å) Dy(1)-Ga(3) bond length. There is one shorter (3.00 Å) and one longer (3.13 Å) Dy(1)-Ga(4) bond length. There are two shorter (2.93 Å) and two longer (3.17 Å) Dy(1)-Ga(1) bond lengths. In the second Dy site, Dy(2) is bonded in a 10-coordinate geometry to two equivalent Ga(2), two equivalent Ga(3), two equivalent Ga(4), and four equivalent Ga(1) atoms. There is one shorter (3.05 Å) and one longer (3.11 Å) Dy(2)-Ga(2) bond length. There is one shorter (2.99 Å) and one longer (3.24 Å) Dy(2)-Ga(3) bond length. There is one shorter (2.96 Å) and one longer (3.32 Å) Dy(2)-Ga(4) bond length. There are a spread of Dy(2)-Ga(1) bond distances ranging from 3.05-3.26 Å. There are four inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 10-coordinate geometry to two equivalent Dy(1), four equivalent Dy(2), one Ga(1), one Ga(2), one Ga(3), and one Ga(4) atom. The Ga(1)-Ga(1) bond length is 2.77 Å. The Ga(1)-Ga(2) bond length is 2.86 Å. The Ga(1)-Ga(3) bond length is 2.63 Å. The Ga(1)-Ga(4) bond length is 2.62 Å. In the second Ga site, Ga(2) is bonded in a 10-coordinate geometry to one Dy(1), four equivalent Dy(2), one Ga(4), two equivalent Ga(1), and two equivalent Ga(3) atoms. The Ga(2)-Ga(4) bond length is 2.60 Å. There is one shorter (2.90 Å) and one longer (3.03 Å) Ga(2)-Ga(3) bond length. In the third Ga site, Ga(3) is bonded in a 10-coordinate geometry to two equivalent Dy(1), four equivalent Dy(2), two equivalent Ga(1), and two equivalent Ga(2) atoms. In the fourth Ga site, Ga(4) is bonded in a 9-coordinate geometry to two equivalent Dy(1), four equivalent Dy(2), one Ga(2), and two equivalent Ga(1) atoms.