Dy4BO7Cl crystallizes in the monoclinic P2_1/c space group. There are four inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(5), one O(6), one O(7), and one Cl(1) atom. In the second Dy site, Dy(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(5), two equivalent O(4), and one Cl(1) atom. In the third Dy site, Dy(3) is bonded in a 8-coordinate geometry to one O(2), one O(3), one O(4), one O(5), one O(7), two equivalent O(1), and one Cl(1) atom. In the fourth Dy site, Dy(4) is bonded in a 5-coordinate geometry to one O(2), one O(3), one O(4), one O(6), one O(7), and two equivalent Cl(1) atoms. B(1) is bonded in a trigonal planar geometry to one O(5), one O(6), and one O(7) atom. There are seven inequivalent O sites. In the first O site, O(3) is bonded to one Dy(1), one Dy(2), one Dy(3), and one Dy(4) atom to form a mixture of corner and edge-sharing ODy4 tetrahedra. In the second O site, O(4) is bonded to one Dy(3), one Dy(4), and two equivalent Dy(2) atoms to form a mixture of corner and edge-sharing ODy4 tetrahedra. In the third O site, O(5) is bonded in a 4-coordinate geometry to one Dy(1), one Dy(2), one Dy(3), and one B(1) atom. In the fourth O site, O(6) is bonded in a distorted trigonal planar geometry to one Dy(1), one Dy(4), and one B(1) atom. In the fifth O site, O(7) is bonded in a distorted single-bond geometry to one Dy(1), one Dy(3), one Dy(4), and one B(1) atom. In the sixth O site, O(1) is bonded to one Dy(1), one Dy(2), and two equivalent Dy(3) atoms to form a mixture of corner and edge-sharing ODy4 tetrahedra. In the seventh O site, O(2) is bonded to one Dy(1), one Dy(2), one Dy(3), and one Dy(4) atom to form a mixture of corner and edge-sharing ODy4 tetrahedra. Cl(1) is bonded in a 5-coordinate geometry to one Dy(1), one Dy(2), one Dy(3), and two equivalent Dy(4) atoms.
Dy4BO7Cl crystallizes in the monoclinic P2_1/c space group. There are four inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(5), one O(6), one O(7), and one Cl(1) atom. The Dy(1)-O(1) bond length is 2.23 Å. The Dy(1)-O(2) bond length is 2.31 Å. The Dy(1)-O(3) bond length is 2.33 Å. The Dy(1)-O(5) bond length is 2.30 Å. The Dy(1)-O(6) bond length is 2.27 Å. The Dy(1)-O(7) bond length is 2.37 Å. The Dy(1)-Cl(1) bond length is 3.16 Å. In the second Dy site, Dy(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(5), two equivalent O(4), and one Cl(1) atom. The Dy(2)-O(1) bond length is 2.32 Å. The Dy(2)-O(2) bond length is 2.33 Å. The Dy(2)-O(3) bond length is 2.28 Å. The Dy(2)-O(5) bond length is 2.39 Å. There is one shorter (2.28 Å) and one longer (2.31 Å) Dy(2)-O(4) bond length. The Dy(2)-Cl(1) bond length is 2.98 Å. In the third Dy site, Dy(3) is bonded in a 8-coordinate geometry to one O(2), one O(3), one O(4), one O(5), one O(7), two equivalent O(1), and one Cl(1) atom. The Dy(3)-O(2) bond length is 2.33 Å. The Dy(3)-O(3) bond length is 2.31 Å. The Dy(3)-O(4) bond length is 2.25 Å. The Dy(3)-O(5) bond length is 2.57 Å. The Dy(3)-O(7) bond length is 2.77 Å. There is one shorter (2.28 Å) and one longer (2.33 Å) Dy(3)-O(1) bond length. The Dy(3)-Cl(1) bond length is 3.26 Å. In the fourth Dy site, Dy(4) is bonded in a 5-coordinate geometry to one O(2), one O(3), one O(4), one O(6), one O(7), and two equivalent Cl(1) atoms. The Dy(4)-O(2) bond length is 2.27 Å. The Dy(4)-O(3) bond length is 2.24 Å. The Dy(4)-O(4) bond length is 2.21 Å. The Dy(4)-O(6) bond length is 2.29 Å. The Dy(4)-O(7) bond length is 2.36 Å. There is one shorter (2.90 Å) and one longer (3.24 Å) Dy(4)-Cl(1) bond length. B(1) is bonded in a trigonal planar geometry to one O(5), one O(6), and one O(7) atom. The B(1)-O(5) bond length is 1.39 Å. The B(1)-O(6) bond length is 1.38 Å. The B(1)-O(7) bond length is 1.38 Å. There are seven inequivalent O sites. In the first O site, O(3) is bonded to one Dy(1), one Dy(2), one Dy(3), and one Dy(4) atom to form a mixture of corner and edge-sharing ODy4 tetrahedra. In the second O site, O(4) is bonded to one Dy(3), one Dy(4), and two equivalent Dy(2) atoms to form a mixture of corner and edge-sharing ODy4 tetrahedra. In the third O site, O(5) is bonded in a 4-coordinate geometry to one Dy(1), one Dy(2), one Dy(3), and one B(1) atom. In the fourth O site, O(6) is bonded in a distorted trigonal planar geometry to one Dy(1), one Dy(4), and one B(1) atom. In the fifth O site, O(7) is bonded in a distorted single-bond geometry to one Dy(1), one Dy(3), one Dy(4), and one B(1) atom. In the sixth O site, O(1) is bonded to one Dy(1), one Dy(2), and two equivalent Dy(3) atoms to form a mixture of corner and edge-sharing ODy4 tetrahedra. In the seventh O site, O(2) is bonded to one Dy(1), one Dy(2), one Dy(3), and one Dy(4) atom to form a mixture of corner and edge-sharing ODy4 tetrahedra. Cl(1) is bonded in a 5-coordinate geometry to one Dy(1), one Dy(2), one Dy(3), and two equivalent Dy(4) atoms.