KDy2Cl7 crystallizes in the monoclinic P2_1/c space group. K(1) is bonded in a 8-coordinate geometry to one Cl(1), one Cl(2), one Cl(3), one Cl(4), one Cl(5), one Cl(7), and two equivalent Cl(6) atoms. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded to one Cl(1), one Cl(2), one Cl(3), one Cl(4), one Cl(5), one Cl(6), and one Cl(7) atom to form a mixture of distorted edge and face-sharing DyCl7 pentagonal bipyramids. In the second Dy site, Dy(2) is bonded to one Cl(1), one Cl(2), one Cl(3), one Cl(4), one Cl(5), one Cl(6), and one Cl(7) atom to form a mixture of distorted edge and face-sharing DyCl7 pentagonal bipyramids. There are seven inequivalent Cl sites. In the first Cl site, Cl(6) is bonded in a 4-coordinate geometry to two equivalent K(1), one Dy(1), and one Dy(2) atom. In the second Cl site, Cl(7) is bonded in a trigonal non-coplanar geometry to one K(1), one Dy(1), and one Dy(2) atom. In the third Cl site, Cl(1) is bonded in a 3-coordinate geometry to one K(1), one Dy(1), and one Dy(2) atom. In the fourth Cl site, Cl(2) is bonded in a distorted T-shaped geometry to one K(1), one Dy(1), and one Dy(2) atom. In the fifth Cl site, Cl(3) is bonded in a distorted L-shaped geometry to one K(1), one Dy(1), and one Dy(2) atom. In the sixth Cl site, Cl(4) is bonded in a trigonal non-coplanar geometry to one K(1), one Dy(1), and one Dy(2) atom. In the seventh Cl site, Cl(5) is bonded in a trigonal non-coplanar geometry to one K(1), one Dy(1), and one Dy(2) atom.
KDy2Cl7 crystallizes in the monoclinic P2_1/c space group. K(1) is bonded in a 8-coordinate geometry to one Cl(1), one Cl(2), one Cl(3), one Cl(4), one Cl(5), one Cl(7), and two equivalent Cl(6) atoms. The K(1)-Cl(1) bond length is 3.32 Å. The K(1)-Cl(2) bond length is 3.30 Å. The K(1)-Cl(3) bond length is 3.64 Å. The K(1)-Cl(4) bond length is 3.36 Å. The K(1)-Cl(5) bond length is 3.26 Å. The K(1)-Cl(7) bond length is 3.24 Å. There is one shorter (3.34 Å) and one longer (3.63 Å) K(1)-Cl(6) bond length. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded to one Cl(1), one Cl(2), one Cl(3), one Cl(4), one Cl(5), one Cl(6), and one Cl(7) atom to form a mixture of distorted edge and face-sharing DyCl7 pentagonal bipyramids. The Dy(1)-Cl(1) bond length is 2.72 Å. The Dy(1)-Cl(2) bond length is 2.72 Å. The Dy(1)-Cl(3) bond length is 2.70 Å. The Dy(1)-Cl(4) bond length is 2.69 Å. The Dy(1)-Cl(5) bond length is 2.67 Å. The Dy(1)-Cl(6) bond length is 2.72 Å. The Dy(1)-Cl(7) bond length is 2.72 Å. In the second Dy site, Dy(2) is bonded to one Cl(1), one Cl(2), one Cl(3), one Cl(4), one Cl(5), one Cl(6), and one Cl(7) atom to form a mixture of distorted edge and face-sharing DyCl7 pentagonal bipyramids. The Dy(2)-Cl(1) bond length is 2.77 Å. The Dy(2)-Cl(2) bond length is 2.71 Å. The Dy(2)-Cl(3) bond length is 2.68 Å. The Dy(2)-Cl(4) bond length is 2.70 Å. The Dy(2)-Cl(5) bond length is 2.72 Å. The Dy(2)-Cl(6) bond length is 2.71 Å. The Dy(2)-Cl(7) bond length is 2.67 Å. There are seven inequivalent Cl sites. In the first Cl site, Cl(6) is bonded in a 4-coordinate geometry to two equivalent K(1), one Dy(1), and one Dy(2) atom. In the second Cl site, Cl(7) is bonded in a trigonal non-coplanar geometry to one K(1), one Dy(1), and one Dy(2) atom. In the third Cl site, Cl(1) is bonded in a 3-coordinate geometry to one K(1), one Dy(1), and one Dy(2) atom. In the fourth Cl site, Cl(2) is bonded in a distorted T-shaped geometry to one K(1), one Dy(1), and one Dy(2) atom. In the fifth Cl site, Cl(3) is bonded in a distorted L-shaped geometry to one K(1), one Dy(1), and one Dy(2) atom. In the sixth Cl site, Cl(4) is bonded in a trigonal non-coplanar geometry to one K(1), one Dy(1), and one Dy(2) atom. In the seventh Cl site, Cl(5) is bonded in a trigonal non-coplanar geometry to one K(1), one Dy(1), and one Dy(2) atom.