DyRu2BiO7 crystallizes in the orthorhombic Imma space group. Dy(1) is bonded to two equivalent O(1), two equivalent O(3), and four equivalent O(2) atoms to form distorted DyO8 hexagonal bipyramids that share edges with two equivalent Dy(1)O8 hexagonal bipyramids, edges with four equivalent Bi(1)O8 hexagonal bipyramids, edges with two equivalent Ru(2)O6 octahedra, and edges with four equivalent Ru(1)O6 octahedra. There are two inequivalent Ru sites. In the first Ru site, Ru(1) is bonded to two equivalent O(3) and four equivalent O(2) atoms to form RuO6 octahedra that share corners with two equivalent Ru(1)O6 octahedra, corners with four equivalent Ru(2)O6 octahedra, edges with two equivalent Bi(1)O8 hexagonal bipyramids, and edges with four equivalent Dy(1)O8 hexagonal bipyramids. The corner-sharing octahedral tilt angles range from 49-50°. In the second Ru site, Ru(2) is bonded to two equivalent O(4) and four equivalent O(2) atoms to form RuO6 octahedra that share corners with two equivalent Ru(2)O6 octahedra, corners with four equivalent Ru(1)O6 octahedra, edges with two equivalent Dy(1)O8 hexagonal bipyramids, and edges with four equivalent Bi(1)O8 hexagonal bipyramids. The corner-sharing octahedral tilt angles range from 48-49°. Bi(1) is bonded to two equivalent O(1), two equivalent O(4), and four equivalent O(2) atoms to form distorted BiO8 hexagonal bipyramids that share edges with two equivalent Bi(1)O8 hexagonal bipyramids, edges with four equivalent Dy(1)O8 hexagonal bipyramids, edges with two equivalent Ru(1)O6 octahedra, and edges with four equivalent Ru(2)O6 octahedra. There are four inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Dy(1) and two equivalent Bi(1) atoms to form ODy2Bi2 tetrahedra that share corners with two equivalent O(4)Bi2Ru2 tetrahedra, corners with two equivalent O(3)Dy2Ru2 tetrahedra, corners with four equivalent O(1)Dy2Bi2 tetrahedra, corners with eight equivalent O(2)DyBiRu2 tetrahedra,  an edgeedge with one O(4)Bi2Ru2 tetrahedra,  an edgeedge with one O(3)Dy2Ru2 tetrahedra, and edges with four equivalent O(2)DyBiRu2 tetrahedra. In the second O site, O(2) is bonded to one Dy(1), one Ru(1), one Ru(2), and one Bi(1) atom to form distorted ODyBiRu2 tetrahedra that share corners with two equivalent O(4)Bi2Ru2 tetrahedra, corners with two equivalent O(1)Dy2Bi2 tetrahedra, corners with two equivalent O(3)Dy2Ru2 tetrahedra, corners with eight equivalent O(2)DyBiRu2 tetrahedra,  an edgeedge with one O(4)Bi2Ru2 tetrahedra,  an edgeedge with one O(1)Dy2Bi2 tetrahedra,  an edgeedge with one O(3)Dy2Ru2 tetrahedra, and edges with two equivalent O(2)DyBiRu2 tetrahedra. In the third O site, O(3) is bonded to two equivalent Dy(1) and two equivalent Ru(1) atoms to form distorted ODy2Ru2 tetrahedra that share corners with two equivalent O(1)Dy2Bi2 tetrahedra, corners with four equivalent O(3)Dy2Ru2 tetrahedra, corners with eight equivalent O(2)DyBiRu2 tetrahedra,  an edgeedge with one O(1)Dy2Bi2 tetrahedra, and edges with four equivalent O(2)DyBiRu2 tetrahedra. In the fourth O site, O(4) is bonded to two equivalent Ru(2) and two equivalent Bi(1) atoms to form distorted OBi2Ru2 tetrahedra that share corners with two equivalent O(1)Dy2Bi2 tetrahedra, corners with four equivalent O(4)Bi2Ru2 tetrahedra, corners with eight equivalent O(2)DyBiRu2 tetrahedra,  an edgeedge with one O(1)Dy2Bi2 tetrahedra, and edges with four equivalent O(2)DyBiRu2 tetrahedra.
DyRu2BiO7 crystallizes in the orthorhombic Imma space group. Dy(1) is bonded to two equivalent O(1), two equivalent O(3), and four equivalent O(2) atoms to form distorted DyO8 hexagonal bipyramids that share edges with two equivalent Dy(1)O8 hexagonal bipyramids, edges with four equivalent Bi(1)O8 hexagonal bipyramids, edges with two equivalent Ru(2)O6 octahedra, and edges with four equivalent Ru(1)O6 octahedra. Both Dy(1)-O(1) bond lengths are 2.19 Å. Both Dy(1)-O(3) bond lengths are 2.52 Å. All Dy(1)-O(2) bond lengths are 2.52 Å. There are two inequivalent Ru sites. In the first Ru site, Ru(1) is bonded to two equivalent O(3) and four equivalent O(2) atoms to form RuO6 octahedra that share corners with two equivalent Ru(1)O6 octahedra, corners with four equivalent Ru(2)O6 octahedra, edges with two equivalent Bi(1)O8 hexagonal bipyramids, and edges with four equivalent Dy(1)O8 hexagonal bipyramids. The corner-sharing octahedral tilt angles range from 49-50°. Both Ru(1)-O(3) bond lengths are 2.00 Å. All Ru(1)-O(2) bond lengths are 2.01 Å. In the second Ru site, Ru(2) is bonded to two equivalent O(4) and four equivalent O(2) atoms to form RuO6 octahedra that share corners with two equivalent Ru(2)O6 octahedra, corners with four equivalent Ru(1)O6 octahedra, edges with two equivalent Dy(1)O8 hexagonal bipyramids, and edges with four equivalent Bi(1)O8 hexagonal bipyramids. The corner-sharing octahedral tilt angles range from 48-49°. Both Ru(2)-O(4) bond lengths are 2.01 Å. All Ru(2)-O(2) bond lengths are 2.00 Å. Bi(1) is bonded to two equivalent O(1), two equivalent O(4), and four equivalent O(2) atoms to form distorted BiO8 hexagonal bipyramids that share edges with two equivalent Bi(1)O8 hexagonal bipyramids, edges with four equivalent Dy(1)O8 hexagonal bipyramids, edges with two equivalent Ru(1)O6 octahedra, and edges with four equivalent Ru(2)O6 octahedra. Both Bi(1)-O(1) bond lengths are 2.28 Å. Both Bi(1)-O(4) bond lengths are 2.52 Å. All Bi(1)-O(2) bond lengths are 2.53 Å. There are four inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Dy(1) and two equivalent Bi(1) atoms to form ODy2Bi2 tetrahedra that share corners with two equivalent O(4)Bi2Ru2 tetrahedra, corners with two equivalent O(3)Dy2Ru2 tetrahedra, corners with four equivalent O(1)Dy2Bi2 tetrahedra, corners with eight equivalent O(2)DyBiRu2 tetrahedra,  an edgeedge with one O(4)Bi2Ru2 tetrahedra,  an edgeedge with one O(3)Dy2Ru2 tetrahedra, and edges with four equivalent O(2)DyBiRu2 tetrahedra. In the second O site, O(2) is bonded to one Dy(1), one Ru(1), one Ru(2), and one Bi(1) atom to form distorted ODyBiRu2 tetrahedra that share corners with two equivalent O(4)Bi2Ru2 tetrahedra, corners with two equivalent O(1)Dy2Bi2 tetrahedra, corners with two equivalent O(3)Dy2Ru2 tetrahedra, corners with eight equivalent O(2)DyBiRu2 tetrahedra,  an edgeedge with one O(4)Bi2Ru2 tetrahedra,  an edgeedge with one O(1)Dy2Bi2 tetrahedra,  an edgeedge with one O(3)Dy2Ru2 tetrahedra, and edges with two equivalent O(2)DyBiRu2 tetrahedra. In the third O site, O(3) is bonded to two equivalent Dy(1) and two equivalent Ru(1) atoms to form distorted ODy2Ru2 tetrahedra that share corners with two equivalent O(1)Dy2Bi2 tetrahedra, corners with four equivalent O(3)Dy2Ru2 tetrahedra, corners with eight equivalent O(2)DyBiRu2 tetrahedra,  an edgeedge with one O(1)Dy2Bi2 tetrahedra, and edges with four equivalent O(2)DyBiRu2 tetrahedra. In the fourth O site, O(4) is bonded to two equivalent Ru(2) and two equivalent Bi(1) atoms to form distorted OBi2Ru2 tetrahedra that share corners with two equivalent O(1)Dy2Bi2 tetrahedra, corners with four equivalent O(4)Bi2Ru2 tetrahedra, corners with eight equivalent O(2)DyBiRu2 tetrahedra,  an edgeedge with one O(1)Dy2Bi2 tetrahedra, and edges with four equivalent O(2)DyBiRu2 tetrahedra.