MgDy2Mo2(O4Cl)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 6-coordinate geometry to one O(3), one O(5), one O(7), one O(8), one Cl(1), and one Cl(2) atom. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(4), one O(5), one O(6), one O(7), one Cl(1), and one Cl(2) atom. In the second Dy site, Dy(2) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(6), one O(8), one Cl(1), and one Cl(2) atom. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded in a distorted tetrahedral geometry to one O(1), one O(2), one O(3), and one O(7) atom. In the second Mo site, Mo(2) is bonded in a distorted tetrahedral geometry to one O(4), one O(5), one O(6), and one O(8) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Dy(1), one Dy(2), and one Mo(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Dy(1), one Dy(2), and one Mo(1) atom. In the third O site, O(3) is bonded in a T-shaped geometry to one Mg(1), one Dy(2), and one Mo(1) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Dy(1), one Dy(2), and one Mo(2) atom. In the fifth O site, O(5) is bonded in a T-shaped geometry to one Mg(1), one Dy(1), and one Mo(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Dy(1), one Dy(2), and one Mo(2) atom. In the seventh O site, O(7) is bonded in a T-shaped geometry to one Mg(1), one Dy(1), and one Mo(1) atom. In the eighth O site, O(8) is bonded in a T-shaped geometry to one Mg(1), one Dy(2), and one Mo(2) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one Dy(1), and one Dy(2) atom. In the second Cl site, Cl(2) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one Dy(1), and one Dy(2) atom.
MgDy2Mo2(O4Cl)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 6-coordinate geometry to one O(3), one O(5), one O(7), one O(8), one Cl(1), and one Cl(2) atom. The Mg(1)-O(3) bond length is 2.13 Å. The Mg(1)-O(5) bond length is 2.13 Å. The Mg(1)-O(7) bond length is 2.20 Å. The Mg(1)-O(8) bond length is 2.20 Å. The Mg(1)-Cl(1) bond length is 2.56 Å. The Mg(1)-Cl(2) bond length is 2.56 Å. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(4), one O(5), one O(6), one O(7), one Cl(1), and one Cl(2) atom. The Dy(1)-O(1) bond length is 2.26 Å. The Dy(1)-O(2) bond length is 2.30 Å. The Dy(1)-O(4) bond length is 2.40 Å. The Dy(1)-O(5) bond length is 2.34 Å. The Dy(1)-O(6) bond length is 2.51 Å. The Dy(1)-O(7) bond length is 2.27 Å. The Dy(1)-Cl(1) bond length is 3.08 Å. The Dy(1)-Cl(2) bond length is 2.92 Å. In the second Dy site, Dy(2) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(6), one O(8), one Cl(1), and one Cl(2) atom. The Dy(2)-O(1) bond length is 2.40 Å. The Dy(2)-O(2) bond length is 2.51 Å. The Dy(2)-O(3) bond length is 2.34 Å. The Dy(2)-O(4) bond length is 2.26 Å. The Dy(2)-O(6) bond length is 2.30 Å. The Dy(2)-O(8) bond length is 2.27 Å. The Dy(2)-Cl(1) bond length is 2.93 Å. The Dy(2)-Cl(2) bond length is 3.09 Å. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded in a distorted tetrahedral geometry to one O(1), one O(2), one O(3), and one O(7) atom. The Mo(1)-O(1) bond length is 1.87 Å. The Mo(1)-O(2) bond length is 1.85 Å. The Mo(1)-O(3) bond length is 1.87 Å. The Mo(1)-O(7) bond length is 1.87 Å. In the second Mo site, Mo(2) is bonded in a distorted tetrahedral geometry to one O(4), one O(5), one O(6), and one O(8) atom. The Mo(2)-O(4) bond length is 1.87 Å. The Mo(2)-O(5) bond length is 1.87 Å. The Mo(2)-O(6) bond length is 1.85 Å. The Mo(2)-O(8) bond length is 1.87 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Dy(1), one Dy(2), and one Mo(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Dy(1), one Dy(2), and one Mo(1) atom. In the third O site, O(3) is bonded in a T-shaped geometry to one Mg(1), one Dy(2), and one Mo(1) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Dy(1), one Dy(2), and one Mo(2) atom. In the fifth O site, O(5) is bonded in a T-shaped geometry to one Mg(1), one Dy(1), and one Mo(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Dy(1), one Dy(2), and one Mo(2) atom. In the seventh O site, O(7) is bonded in a T-shaped geometry to one Mg(1), one Dy(1), and one Mo(1) atom. In the eighth O site, O(8) is bonded in a T-shaped geometry to one Mg(1), one Dy(2), and one Mo(2) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one Dy(1), and one Dy(2) atom. In the second Cl site, Cl(2) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one Dy(1), and one Dy(2) atom.