Dy2RuGe2 crystallizes in the monoclinic C2/m space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 10-coordinate geometry to four equivalent Ru(1), two equivalent Ge(2), and five equivalent Ge(1) atoms. In the second Dy site, Dy(2) is bonded in a 8-coordinate geometry to two equivalent Ru(1), one Ge(1), and five equivalent Ge(2) atoms. Ru(1) is bonded in a 10-coordinate geometry to two equivalent Dy(2), four equivalent Dy(1), one Ge(2), and three equivalent Ge(1) atoms. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 10-coordinate geometry to one Dy(2), five equivalent Dy(1), three equivalent Ru(1), and one Ge(1) atom. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to two equivalent Dy(1), five equivalent Dy(2), one Ru(1), and one Ge(2) atom.
Dy2RuGe2 crystallizes in the monoclinic C2/m space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 10-coordinate geometry to four equivalent Ru(1), two equivalent Ge(2), and five equivalent Ge(1) atoms. There are a spread of Dy(1)-Ru(1) bond distances ranging from 3.05-3.14 Å. Both Dy(1)-Ge(2) bond lengths are 2.93 Å. There are a spread of Dy(1)-Ge(1) bond distances ranging from 3.04-3.42 Å. In the second Dy site, Dy(2) is bonded in a 8-coordinate geometry to two equivalent Ru(1), one Ge(1), and five equivalent Ge(2) atoms. Both Dy(2)-Ru(1) bond lengths are 3.24 Å. The Dy(2)-Ge(1) bond length is 2.90 Å. There are a spread of Dy(2)-Ge(2) bond distances ranging from 3.04-3.21 Å. Ru(1) is bonded in a 10-coordinate geometry to two equivalent Dy(2), four equivalent Dy(1), one Ge(2), and three equivalent Ge(1) atoms. The Ru(1)-Ge(2) bond length is 2.62 Å. There are two shorter (2.44 Å) and one longer (2.51 Å) Ru(1)-Ge(1) bond length. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 10-coordinate geometry to one Dy(2), five equivalent Dy(1), three equivalent Ru(1), and one Ge(1) atom. The Ge(1)-Ge(1) bond length is 2.76 Å. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to two equivalent Dy(1), five equivalent Dy(2), one Ru(1), and one Ge(2) atom. The Ge(2)-Ge(2) bond length is 2.65 Å.