Dy4Zn5Ge6 crystallizes in the orthorhombic Cmc2_1 space group. There are four inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 10-coordinate geometry to one Zn(4), two equivalent Zn(3), one Ge(6), two equivalent Ge(2), two equivalent Ge(4), and two equivalent Ge(5) atoms. In the second Dy site, Dy(2) is bonded to one Ge(1), one Ge(6), two equivalent Ge(2), and two equivalent Ge(3) atoms to form a mixture of distorted corner and edge-sharing DyGe6 octahedra. The corner-sharing octahedral tilt angles are 45°. In the third Dy site, Dy(3) is bonded to one Ge(3), one Ge(6), two equivalent Ge(1), and two equivalent Ge(4) atoms to form a mixture of distorted corner and edge-sharing DyGe6 octahedra. The corner-sharing octahedral tilt angles are 45°. In the fourth Dy site, Dy(4) is bonded in a 12-coordinate geometry to one Zn(4), two equivalent Zn(1), two equivalent Zn(5), one Ge(6), two equivalent Ge(2), two equivalent Ge(4), and two equivalent Ge(5) atoms. There are five inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 4-coordinate geometry to two equivalent Dy(4), one Ge(2), one Ge(5), and two equivalent Ge(1) atoms. In the second Zn site, Zn(2) is bonded in a 4-coordinate geometry to one Ge(1), one Ge(3), and two equivalent Ge(6) atoms. In the third Zn site, Zn(3) is bonded in a 4-coordinate geometry to two equivalent Dy(1), one Ge(4), one Ge(5), and two equivalent Ge(3) atoms. In the fourth Zn site, Zn(4) is bonded in a 4-coordinate geometry to one Dy(1), one Dy(4), one Ge(1), one Ge(3), and two equivalent Ge(5) atoms. In the fifth Zn site, Zn(5) is bonded in a 4-coordinate geometry to two equivalent Dy(4), one Ge(4), one Ge(5), and two equivalent Ge(6) atoms. There are six inequivalent Ge sites. In the first Ge site, Ge(1) is bonded to one Dy(2), two equivalent Dy(3), one Zn(2), one Zn(4), and two equivalent Zn(1) atoms to form distorted edge-sharing GeDy3Zn4 pentagonal bipyramids. In the second Ge site, Ge(2) is bonded in a 8-coordinate geometry to two equivalent Dy(1), two equivalent Dy(2), two equivalent Dy(4), one Zn(1), and one Ge(4) atom. In the third Ge site, Ge(3) is bonded to one Dy(3), two equivalent Dy(2), one Zn(2), one Zn(4), and two equivalent Zn(3) atoms to form distorted edge-sharing GeDy3Zn4 pentagonal bipyramids. In the fourth Ge site, Ge(4) is bonded in a 9-coordinate geometry to two equivalent Dy(1), two equivalent Dy(3), two equivalent Dy(4), one Zn(3), one Zn(5), and one Ge(2) atom. In the fifth Ge site, Ge(5) is bonded in a 9-coordinate geometry to two equivalent Dy(1), two equivalent Dy(4), one Zn(1), one Zn(3), one Zn(5), and two equivalent Zn(4) atoms. In the sixth Ge site, Ge(6) is bonded in a 7-coordinate geometry to one Dy(1), one Dy(2), one Dy(3), one Dy(4), two equivalent Zn(2), and two equivalent Zn(5) atoms.
Dy4Zn5Ge6 crystallizes in the orthorhombic Cmc2_1 space group. There are four inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 10-coordinate geometry to one Zn(4), two equivalent Zn(3), one Ge(6), two equivalent Ge(2), two equivalent Ge(4), and two equivalent Ge(5) atoms. The Dy(1)-Zn(4) bond length is 3.10 Å. Both Dy(1)-Zn(3) bond lengths are 3.24 Å. The Dy(1)-Ge(6) bond length is 3.00 Å. Both Dy(1)-Ge(2) bond lengths are 3.06 Å. Both Dy(1)-Ge(4) bond lengths are 3.18 Å. Both Dy(1)-Ge(5) bond lengths are 3.05 Å. In the second Dy site, Dy(2) is bonded to one Ge(1), one Ge(6), two equivalent Ge(2), and two equivalent Ge(3) atoms to form a mixture of distorted corner and edge-sharing DyGe6 octahedra. The corner-sharing octahedral tilt angles are 45°. The Dy(2)-Ge(1) bond length is 2.89 Å. The Dy(2)-Ge(6) bond length is 2.89 Å. Both Dy(2)-Ge(2) bond lengths are 2.98 Å. Both Dy(2)-Ge(3) bond lengths are 2.91 Å. In the third Dy site, Dy(3) is bonded to one Ge(3), one Ge(6), two equivalent Ge(1), and two equivalent Ge(4) atoms to form a mixture of distorted corner and edge-sharing DyGe6 octahedra. The corner-sharing octahedral tilt angles are 45°. The Dy(3)-Ge(3) bond length is 2.95 Å. The Dy(3)-Ge(6) bond length is 3.02 Å. Both Dy(3)-Ge(1) bond lengths are 2.94 Å. Both Dy(3)-Ge(4) bond lengths are 3.04 Å. In the fourth Dy site, Dy(4) is bonded in a 12-coordinate geometry to one Zn(4), two equivalent Zn(1), two equivalent Zn(5), one Ge(6), two equivalent Ge(2), two equivalent Ge(4), and two equivalent Ge(5) atoms. The Dy(4)-Zn(4) bond length is 3.00 Å. Both Dy(4)-Zn(1) bond lengths are 3.12 Å. Both Dy(4)-Zn(5) bond lengths are 3.05 Å. The Dy(4)-Ge(6) bond length is 3.46 Å. Both Dy(4)-Ge(2) bond lengths are 3.15 Å. Both Dy(4)-Ge(4) bond lengths are 3.09 Å. Both Dy(4)-Ge(5) bond lengths are 3.03 Å. There are five inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a 4-coordinate geometry to two equivalent Dy(4), one Ge(2), one Ge(5), and two equivalent Ge(1) atoms. The Zn(1)-Ge(2) bond length is 2.56 Å. The Zn(1)-Ge(5) bond length is 2.73 Å. Both Zn(1)-Ge(1) bond lengths are 2.58 Å. In the second Zn site, Zn(2) is bonded in a 4-coordinate geometry to one Ge(1), one Ge(3), and two equivalent Ge(6) atoms. The Zn(2)-Ge(1) bond length is 2.52 Å. The Zn(2)-Ge(3) bond length is 2.54 Å. Both Zn(2)-Ge(6) bond lengths are 2.72 Å. In the third Zn site, Zn(3) is bonded in a 4-coordinate geometry to two equivalent Dy(1), one Ge(4), one Ge(5), and two equivalent Ge(3) atoms. The Zn(3)-Ge(4) bond length is 2.53 Å. The Zn(3)-Ge(5) bond length is 2.72 Å. Both Zn(3)-Ge(3) bond lengths are 2.58 Å. In the fourth Zn site, Zn(4) is bonded in a 4-coordinate geometry to one Dy(1), one Dy(4), one Ge(1), one Ge(3), and two equivalent Ge(5) atoms. The Zn(4)-Ge(1) bond length is 2.56 Å. The Zn(4)-Ge(3) bond length is 2.55 Å. Both Zn(4)-Ge(5) bond lengths are 2.66 Å. In the fifth Zn site, Zn(5) is bonded in a 4-coordinate geometry to two equivalent Dy(4), one Ge(4), one Ge(5), and two equivalent Ge(6) atoms. The Zn(5)-Ge(4) bond length is 2.56 Å. The Zn(5)-Ge(5) bond length is 2.60 Å. Both Zn(5)-Ge(6) bond lengths are 2.55 Å. There are six inequivalent Ge sites. In the first Ge site, Ge(1) is bonded to one Dy(2), two equivalent Dy(3), one Zn(2), one Zn(4), and two equivalent Zn(1) atoms to form distorted edge-sharing GeDy3Zn4 pentagonal bipyramids. In the second Ge site, Ge(2) is bonded in a 8-coordinate geometry to two equivalent Dy(1), two equivalent Dy(2), two equivalent Dy(4), one Zn(1), and one Ge(4) atom. The Ge(2)-Ge(4) bond length is 2.51 Å. In the third Ge site, Ge(3) is bonded to one Dy(3), two equivalent Dy(2), one Zn(2), one Zn(4), and two equivalent Zn(3) atoms to form distorted edge-sharing GeDy3Zn4 pentagonal bipyramids. In the fourth Ge site, Ge(4) is bonded in a 9-coordinate geometry to two equivalent Dy(1), two equivalent Dy(3), two equivalent Dy(4), one Zn(3), one Zn(5), and one Ge(2) atom. In the fifth Ge site, Ge(5) is bonded in a 9-coordinate geometry to two equivalent Dy(1), two equivalent Dy(4), one Zn(1), one Zn(3), one Zn(5), and two equivalent Zn(4) atoms. In the sixth Ge site, Ge(6) is bonded in a 7-coordinate geometry to one Dy(1), one Dy(2), one Dy(3), one Dy(4), two equivalent Zn(2), and two equivalent Zn(5) atoms.