Dy2Mn9(CrGe4)3 crystallizes in the monoclinic P2 space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded to two equivalent Cr(1), two equivalent Cr(3), one Ge(1), one Ge(4), and six equivalent Ge(8) atoms to form a mixture of distorted face and edge-sharing DyCr4Ge8 hexagonal bipyramids. In the second Dy site, Dy(2) is bonded to two equivalent Mn(1), two equivalent Mn(3), one Ge(2), one Ge(3), and six equivalent Ge(7) atoms to form a mixture of distorted face and edge-sharing DyMn4Ge8 hexagonal bipyramids. There are three inequivalent Cr sites. In the first Cr site, Cr(1) is bonded in a 12-coordinate geometry to two equivalent Dy(1), two equivalent Cr(3), two equivalent Mn(2), two equivalent Ge(1), two equivalent Ge(5), and two equivalent Ge(8) atoms. In the second Cr site, Cr(2) is bonded in a 10-coordinate geometry to two equivalent Mn(1), two equivalent Mn(3), two equivalent Ge(2), two equivalent Ge(6), and two equivalent Ge(7) atoms. In the third Cr site, Cr(3) is bonded in a 12-coordinate geometry to two equivalent Dy(1), two equivalent Cr(1), two equivalent Mn(2), two equivalent Ge(1), two equivalent Ge(5), and two equivalent Ge(8) atoms. There are nine inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 12-coordinate geometry to two equivalent Dy(2), two equivalent Cr(2), two equivalent Mn(3), two equivalent Ge(2), two equivalent Ge(6), and two equivalent Ge(7) atoms. In the second Mn site, Mn(2) is bonded in a 10-coordinate geometry to two equivalent Cr(1), two equivalent Cr(3), two equivalent Ge(1), two equivalent Ge(5), and two equivalent Ge(8) atoms. In the third Mn site, Mn(3) is bonded in a 12-coordinate geometry to two equivalent Dy(2), two equivalent Cr(2), two equivalent Mn(1), two equivalent Ge(2), two equivalent Ge(6), and two equivalent Ge(7) atoms. In the fourth Mn site, Mn(4) is bonded in a 6-coordinate geometry to two equivalent Ge(3), two equivalent Ge(5), and two equivalent Ge(7) atoms. In the fifth Mn site, Mn(5) is bonded in a 6-coordinate geometry to two equivalent Ge(4), two equivalent Ge(6), and two equivalent Ge(8) atoms. In the sixth Mn site, Mn(6) is bonded in a 6-coordinate geometry to two equivalent Ge(3), two equivalent Ge(5), and two equivalent Ge(7) atoms. In the seventh Mn site, Mn(7) is bonded in a 6-coordinate geometry to two equivalent Ge(4), two equivalent Ge(6), and two equivalent Ge(8) atoms. In the eighth Mn site, Mn(8) is bonded in a 6-coordinate geometry to two equivalent Ge(3), two equivalent Ge(5), and two equivalent Ge(7) atoms. In the ninth Mn site, Mn(9) is bonded in a 6-coordinate geometry to two equivalent Ge(4), two equivalent Ge(6), and two equivalent Ge(8) atoms. There are eight inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 8-coordinate geometry to one Dy(1), two equivalent Cr(1), two equivalent Cr(3), two equivalent Mn(2), and one Ge(3) atom. In the second Ge site, Ge(2) is bonded in a 8-coordinate geometry to one Dy(2), two equivalent Cr(2), two equivalent Mn(1), two equivalent Mn(3), and one Ge(4) atom. In the third Ge site, Ge(3) is bonded in a 8-coordinate geometry to one Dy(2), two equivalent Mn(4), two equivalent Mn(6), two equivalent Mn(8), and one Ge(1) atom. In the fourth Ge site, Ge(4) is bonded in a 8-coordinate geometry to one Dy(1), two equivalent Mn(5), two equivalent Mn(7), two equivalent Mn(9), and one Ge(2) atom. In the fifth Ge site, Ge(5) is bonded in a 6-coordinate geometry to one Cr(1), one Cr(3), one Mn(2), one Mn(4), one Mn(6), and one Mn(8) atom. In the sixth Ge site, Ge(6) is bonded in a 6-coordinate geometry to one Cr(2), one Mn(1), one Mn(3), one Mn(5), one Mn(7), and one Mn(9) atom. In the seventh Ge site, Ge(7) is bonded in a 9-coordinate geometry to three equivalent Dy(2), one Cr(2), one Mn(1), one Mn(3), one Mn(4), one Mn(6), and one Mn(8) atom. In the eighth Ge site, Ge(8) is bonded in a 9-coordinate geometry to three equivalent Dy(1), one Cr(1), one Cr(3), one Mn(2), one Mn(5), one Mn(7), and one Mn(9) atom.
Dy2Mn9(CrGe4)3 crystallizes in the monoclinic P2 space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded to two equivalent Cr(1), two equivalent Cr(3), one Ge(1), one Ge(4), and six equivalent Ge(8) atoms to form a mixture of distorted face and edge-sharing DyCr4Ge8 hexagonal bipyramids. Both Dy(1)-Cr(1) bond lengths are 3.30 Å. Both Dy(1)-Cr(3) bond lengths are 3.30 Å. The Dy(1)-Ge(1) bond length is 2.86 Å. The Dy(1)-Ge(4) bond length is 2.84 Å. There are two shorter (2.96 Å) and four longer (2.97 Å) Dy(1)-Ge(8) bond lengths. In the second Dy site, Dy(2) is bonded to two equivalent Mn(1), two equivalent Mn(3), one Ge(2), one Ge(3), and six equivalent Ge(7) atoms to form a mixture of distorted face and edge-sharing DyMn4Ge8 hexagonal bipyramids. Both Dy(2)-Mn(1) bond lengths are 3.30 Å. Both Dy(2)-Mn(3) bond lengths are 3.29 Å. The Dy(2)-Ge(2) bond length is 2.85 Å. The Dy(2)-Ge(3) bond length is 2.84 Å. There are two shorter (2.96 Å) and four longer (2.97 Å) Dy(2)-Ge(7) bond lengths. There are three inequivalent Cr sites. In the first Cr site, Cr(1) is bonded in a 12-coordinate geometry to two equivalent Dy(1), two equivalent Cr(3), two equivalent Mn(2), two equivalent Ge(1), two equivalent Ge(5), and two equivalent Ge(8) atoms. Both Cr(1)-Cr(3) bond lengths are 2.56 Å. Both Cr(1)-Mn(2) bond lengths are 2.57 Å. Both Cr(1)-Ge(1) bond lengths are 2.68 Å. Both Cr(1)-Ge(5) bond lengths are 2.56 Å. Both Cr(1)-Ge(8) bond lengths are 2.56 Å. In the second Cr site, Cr(2) is bonded in a 10-coordinate geometry to two equivalent Mn(1), two equivalent Mn(3), two equivalent Ge(2), two equivalent Ge(6), and two equivalent Ge(7) atoms. Both Cr(2)-Mn(1) bond lengths are 2.56 Å. Both Cr(2)-Mn(3) bond lengths are 2.57 Å. Both Cr(2)-Ge(2) bond lengths are 2.68 Å. Both Cr(2)-Ge(6) bond lengths are 2.55 Å. Both Cr(2)-Ge(7) bond lengths are 2.55 Å. In the third Cr site, Cr(3) is bonded in a 12-coordinate geometry to two equivalent Dy(1), two equivalent Cr(1), two equivalent Mn(2), two equivalent Ge(1), two equivalent Ge(5), and two equivalent Ge(8) atoms. Both Cr(3)-Mn(2) bond lengths are 2.56 Å. Both Cr(3)-Ge(1) bond lengths are 2.69 Å. Both Cr(3)-Ge(5) bond lengths are 2.55 Å. Both Cr(3)-Ge(8) bond lengths are 2.56 Å. There are nine inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 12-coordinate geometry to two equivalent Dy(2), two equivalent Cr(2), two equivalent Mn(3), two equivalent Ge(2), two equivalent Ge(6), and two equivalent Ge(7) atoms. Both Mn(1)-Mn(3) bond lengths are 2.56 Å. Both Mn(1)-Ge(2) bond lengths are 2.69 Å. Both Mn(1)-Ge(6) bond lengths are 2.55 Å. Both Mn(1)-Ge(7) bond lengths are 2.55 Å. In the second Mn site, Mn(2) is bonded in a 10-coordinate geometry to two equivalent Cr(1), two equivalent Cr(3), two equivalent Ge(1), two equivalent Ge(5), and two equivalent Ge(8) atoms. Both Mn(2)-Ge(1) bond lengths are 2.68 Å. Both Mn(2)-Ge(5) bond lengths are 2.55 Å. Both Mn(2)-Ge(8) bond lengths are 2.57 Å. In the third Mn site, Mn(3) is bonded in a 12-coordinate geometry to two equivalent Dy(2), two equivalent Cr(2), two equivalent Mn(1), two equivalent Ge(2), two equivalent Ge(6), and two equivalent Ge(7) atoms. Both Mn(3)-Ge(2) bond lengths are 2.68 Å. Both Mn(3)-Ge(6) bond lengths are 2.54 Å. Both Mn(3)-Ge(7) bond lengths are 2.55 Å. In the fourth Mn site, Mn(4) is bonded in a 6-coordinate geometry to two equivalent Ge(3), two equivalent Ge(5), and two equivalent Ge(7) atoms. Both Mn(4)-Ge(3) bond lengths are 2.68 Å. Both Mn(4)-Ge(5) bond lengths are 2.52 Å. Both Mn(4)-Ge(7) bond lengths are 2.53 Å. In the fifth Mn site, Mn(5) is bonded in a 6-coordinate geometry to two equivalent Ge(4), two equivalent Ge(6), and two equivalent Ge(8) atoms. Both Mn(5)-Ge(4) bond lengths are 2.68 Å. Both Mn(5)-Ge(6) bond lengths are 2.52 Å. Both Mn(5)-Ge(8) bond lengths are 2.52 Å. In the sixth Mn site, Mn(6) is bonded in a 6-coordinate geometry to two equivalent Ge(3), two equivalent Ge(5), and two equivalent Ge(7) atoms. Both Mn(6)-Ge(3) bond lengths are 2.69 Å. Both Mn(6)-Ge(5) bond lengths are 2.52 Å. Both Mn(6)-Ge(7) bond lengths are 2.52 Å. In the seventh Mn site, Mn(7) is bonded in a 6-coordinate geometry to two equivalent Ge(4), two equivalent Ge(6), and two equivalent Ge(8) atoms. Both Mn(7)-Ge(4) bond lengths are 2.69 Å. Both Mn(7)-Ge(6) bond lengths are 2.51 Å. Both Mn(7)-Ge(8) bond lengths are 2.52 Å. In the eighth Mn site, Mn(8) is bonded in a 6-coordinate geometry to two equivalent Ge(3), two equivalent Ge(5), and two equivalent Ge(7) atoms. Both Mn(8)-Ge(3) bond lengths are 2.68 Å. Both Mn(8)-Ge(5) bond lengths are 2.50 Å. Both Mn(8)-Ge(7) bond lengths are 2.53 Å. In the ninth Mn site, Mn(9) is bonded in a 6-coordinate geometry to two equivalent Ge(4), two equivalent Ge(6), and two equivalent Ge(8) atoms. Both Mn(9)-Ge(4) bond lengths are 2.69 Å. Both Mn(9)-Ge(6) bond lengths are 2.52 Å. Both Mn(9)-Ge(8) bond lengths are 2.51 Å. There are eight inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 8-coordinate geometry to one Dy(1), two equivalent Cr(1), two equivalent Cr(3), two equivalent Mn(2), and one Ge(3) atom. The Ge(1)-Ge(3) bond length is 2.53 Å. In the second Ge site, Ge(2) is bonded in a 8-coordinate geometry to one Dy(2), two equivalent Cr(2), two equivalent Mn(1), two equivalent Mn(3), and one Ge(4) atom. The Ge(2)-Ge(4) bond length is 2.53 Å. In the third Ge site, Ge(3) is bonded in a 8-coordinate geometry to one Dy(2), two equivalent Mn(4), two equivalent Mn(6), two equivalent Mn(8), and one Ge(1) atom. In the fourth Ge site, Ge(4) is bonded in a 8-coordinate geometry to one Dy(1), two equivalent Mn(5), two equivalent Mn(7), two equivalent Mn(9), and one Ge(2) atom. In the fifth Ge site, Ge(5) is bonded in a 6-coordinate geometry to one Cr(1), one Cr(3), one Mn(2), one Mn(4), one Mn(6), and one Mn(8) atom. In the sixth Ge site, Ge(6) is bonded in a 6-coordinate geometry to one Cr(2), one Mn(1), one Mn(3), one Mn(5), one Mn(7), and one Mn(9) atom. In the seventh Ge site, Ge(7) is bonded in a 9-coordinate geometry to three equivalent Dy(2), one Cr(2), one Mn(1), one Mn(3), one Mn(4), one Mn(6), and one Mn(8) atom. In the eighth Ge site, Ge(8) is bonded in a 9-coordinate geometry to three equivalent Dy(1), one Cr(1), one Cr(3), one Mn(2), one Mn(5), one Mn(7), and one Mn(9) atom.