DyV2(FeCo)5 crystallizes in the orthorhombic Imm2 space group. Dy(1) is bonded in a 20-coordinate geometry to one V(1), one V(2), two equivalent Fe(2), eight equivalent Fe(1), two equivalent Co(2), two equivalent Co(3), and four equivalent Co(1) atoms. There are two inequivalent V sites. In the first V site, V(1) is bonded in a 14-coordinate geometry to one Dy(1), one V(2), two equivalent Fe(2), four equivalent Fe(1), two equivalent Co(1), and four equivalent Co(3) atoms. In the second V site, V(2) is bonded in a 14-coordinate geometry to one Dy(1), one V(1), four equivalent Fe(1), two equivalent Co(1), two equivalent Co(2), and four equivalent Co(3) atoms. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to two equivalent Dy(1), one V(1), one V(2), one Fe(2), two equivalent Fe(1), one Co(2), two equivalent Co(1), and two equivalent Co(3) atoms to form distorted FeDy2V2Fe3Co5 cuboctahedra that share corners with two equivalent Fe(2)Dy2V2Fe4Co4 cuboctahedra, corners with ten equivalent Fe(1)Dy2V2Fe3Co5 cuboctahedra,  an edgeedge with one Fe(2)Dy2V2Fe4Co4 cuboctahedra, edges with four equivalent Fe(1)Dy2V2Fe3Co5 cuboctahedra, faces with two equivalent Fe(2)Dy2V2Fe4Co4 cuboctahedra, and faces with six equivalent Fe(1)Dy2V2Fe3Co5 cuboctahedra. In the second Fe site, Fe(2) is bonded to two equivalent Dy(1), two equivalent V(1), four equivalent Fe(1), two equivalent Co(1), and two equivalent Co(3) atoms to form distorted FeDy2V2Fe4Co4 cuboctahedra that share corners with eight equivalent Fe(1)Dy2V2Fe3Co5 cuboctahedra, edges with two equivalent Fe(2)Dy2V2Fe4Co4 cuboctahedra, edges with four equivalent Fe(1)Dy2V2Fe3Co5 cuboctahedra, and faces with eight equivalent Fe(1)Dy2V2Fe3Co5 cuboctahedra. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded in a 12-coordinate geometry to two equivalent Dy(1), one V(1), one V(2), one Fe(2), four equivalent Fe(1), one Co(2), and two equivalent Co(3) atoms. In the second Co site, Co(2) is bonded in a 12-coordinate geometry to two equivalent Dy(1), two equivalent V(2), four equivalent Fe(1), two equivalent Co(1), and two equivalent Co(3) atoms. In the third Co site, Co(3) is bonded in a 14-coordinate geometry to one Dy(1), two equivalent V(1), two equivalent V(2), one Fe(2), four equivalent Fe(1), one Co(2), one Co(3), and two equivalent Co(1) atoms.
DyV2(FeCo)5 crystallizes in the orthorhombic Imm2 space group. Dy(1) is bonded in a 20-coordinate geometry to one V(1), one V(2), two equivalent Fe(2), eight equivalent Fe(1), two equivalent Co(2), two equivalent Co(3), and four equivalent Co(1) atoms. The Dy(1)-V(1) bond length is 3.02 Å. The Dy(1)-V(2) bond length is 3.00 Å. Both Dy(1)-Fe(2) bond lengths are 3.00 Å. There are four shorter (3.17 Å) and four longer (3.20 Å) Dy(1)-Fe(1) bond lengths. Both Dy(1)-Co(2) bond lengths are 2.99 Å. Both Dy(1)-Co(3) bond lengths are 3.00 Å. All Dy(1)-Co(1) bond lengths are 2.99 Å. There are two inequivalent V sites. In the first V site, V(1) is bonded in a 14-coordinate geometry to one Dy(1), one V(2), two equivalent Fe(2), four equivalent Fe(1), two equivalent Co(1), and four equivalent Co(3) atoms. The V(1)-V(2) bond length is 2.38 Å. Both V(1)-Fe(2) bond lengths are 2.58 Å. All V(1)-Fe(1) bond lengths are 2.57 Å. Both V(1)-Co(1) bond lengths are 2.59 Å. All V(1)-Co(3) bond lengths are 2.86 Å. In the second V site, V(2) is bonded in a 14-coordinate geometry to one Dy(1), one V(1), four equivalent Fe(1), two equivalent Co(1), two equivalent Co(2), and four equivalent Co(3) atoms. All V(2)-Fe(1) bond lengths are 2.55 Å. Both V(2)-Co(1) bond lengths are 2.59 Å. Both V(2)-Co(2) bond lengths are 2.58 Å. All V(2)-Co(3) bond lengths are 2.87 Å. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to two equivalent Dy(1), one V(1), one V(2), one Fe(2), two equivalent Fe(1), one Co(2), two equivalent Co(1), and two equivalent Co(3) atoms to form distorted FeDy2V2Fe3Co5 cuboctahedra that share corners with two equivalent Fe(2)Dy2V2Fe4Co4 cuboctahedra, corners with ten equivalent Fe(1)Dy2V2Fe3Co5 cuboctahedra,  an edgeedge with one Fe(2)Dy2V2Fe4Co4 cuboctahedra, edges with four equivalent Fe(1)Dy2V2Fe3Co5 cuboctahedra, faces with two equivalent Fe(2)Dy2V2Fe4Co4 cuboctahedra, and faces with six equivalent Fe(1)Dy2V2Fe3Co5 cuboctahedra. The Fe(1)-Fe(2) bond length is 2.41 Å. There is one shorter (2.32 Å) and one longer (2.33 Å) Fe(1)-Fe(1) bond length. The Fe(1)-Co(2) bond length is 2.39 Å. Both Fe(1)-Co(1) bond lengths are 2.41 Å. There is one shorter (2.56 Å) and one longer (2.57 Å) Fe(1)-Co(3) bond length. In the second Fe site, Fe(2) is bonded to two equivalent Dy(1), two equivalent V(1), four equivalent Fe(1), two equivalent Co(1), and two equivalent Co(3) atoms to form distorted FeDy2V2Fe4Co4 cuboctahedra that share corners with eight equivalent Fe(1)Dy2V2Fe3Co5 cuboctahedra, edges with two equivalent Fe(2)Dy2V2Fe4Co4 cuboctahedra, edges with four equivalent Fe(1)Dy2V2Fe3Co5 cuboctahedra, and faces with eight equivalent Fe(1)Dy2V2Fe3Co5 cuboctahedra. Both Fe(2)-Co(1) bond lengths are 2.66 Å. Both Fe(2)-Co(3) bond lengths are 2.58 Å. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded in a 12-coordinate geometry to two equivalent Dy(1), one V(1), one V(2), one Fe(2), four equivalent Fe(1), one Co(2), and two equivalent Co(3) atoms. The Co(1)-Co(2) bond length is 2.66 Å. Both Co(1)-Co(3) bond lengths are 2.58 Å. In the second Co site, Co(2) is bonded in a 12-coordinate geometry to two equivalent Dy(1), two equivalent V(2), four equivalent Fe(1), two equivalent Co(1), and two equivalent Co(3) atoms. Both Co(2)-Co(3) bond lengths are 2.61 Å. In the third Co site, Co(3) is bonded in a 14-coordinate geometry to one Dy(1), two equivalent V(1), two equivalent V(2), one Fe(2), four equivalent Fe(1), one Co(2), one Co(3), and two equivalent Co(1) atoms. The Co(3)-Co(3) bond length is 2.36 Å.