Dy6Ge3Se14 crystallizes in the trigonal P3 space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 8-coordinate geometry to one Se(1), one Se(4), two equivalent Se(3), two equivalent Se(5), and two equivalent Se(6) atoms. In the second Dy site, Dy(2) is bonded in a 8-coordinate geometry to one Se(2), one Se(3), two equivalent Se(4), two equivalent Se(5), and two equivalent Se(6) atoms. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a tetrahedral geometry to one Se(1) and three equivalent Se(3) atoms. In the second Ge site, Ge(2) is bonded in a tetrahedral geometry to one Se(2) and three equivalent Se(4) atoms. In the third Ge site, Ge(3) is bonded in an octahedral geometry to three equivalent Se(5) and three equivalent Se(6) atoms. There are six inequivalent Se sites. In the first Se site, Se(1) is bonded in a tetrahedral geometry to three equivalent Dy(1) and one Ge(1) atom. In the second Se site, Se(2) is bonded in a tetrahedral geometry to three equivalent Dy(2) and one Ge(2) atom. In the third Se site, Se(3) is bonded in a distorted rectangular see-saw-like geometry to one Dy(2), two equivalent Dy(1), and one Ge(1) atom. In the fourth Se site, Se(4) is bonded in a distorted rectangular see-saw-like geometry to one Dy(1), two equivalent Dy(2), and one Ge(2) atom. In the fifth Se site, Se(5) is bonded in a 5-coordinate geometry to two equivalent Dy(1), two equivalent Dy(2), and one Ge(3) atom. In the sixth Se site, Se(6) is bonded in a 5-coordinate geometry to two equivalent Dy(1), two equivalent Dy(2), and one Ge(3) atom.
Dy6Ge3Se14 crystallizes in the trigonal P3 space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 8-coordinate geometry to one Se(1), one Se(4), two equivalent Se(3), two equivalent Se(5), and two equivalent Se(6) atoms. The Dy(1)-Se(1) bond length is 3.05 Å. The Dy(1)-Se(4) bond length is 3.12 Å. There is one shorter (2.94 Å) and one longer (3.01 Å) Dy(1)-Se(3) bond length. There is one shorter (2.98 Å) and one longer (3.32 Å) Dy(1)-Se(5) bond length. There is one shorter (2.91 Å) and one longer (2.93 Å) Dy(1)-Se(6) bond length. In the second Dy site, Dy(2) is bonded in a 8-coordinate geometry to one Se(2), one Se(3), two equivalent Se(4), two equivalent Se(5), and two equivalent Se(6) atoms. The Dy(2)-Se(2) bond length is 3.04 Å. The Dy(2)-Se(3) bond length is 3.10 Å. There is one shorter (2.94 Å) and one longer (3.00 Å) Dy(2)-Se(4) bond length. There is one shorter (2.89 Å) and one longer (2.96 Å) Dy(2)-Se(5) bond length. There is one shorter (3.00 Å) and one longer (3.30 Å) Dy(2)-Se(6) bond length. There are three inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a tetrahedral geometry to one Se(1) and three equivalent Se(3) atoms. The Ge(1)-Se(1) bond length is 2.36 Å. All Ge(1)-Se(3) bond lengths are 2.41 Å. In the second Ge site, Ge(2) is bonded in a tetrahedral geometry to one Se(2) and three equivalent Se(4) atoms. The Ge(2)-Se(2) bond length is 2.37 Å. All Ge(2)-Se(4) bond lengths are 2.40 Å. In the third Ge site, Ge(3) is bonded in an octahedral geometry to three equivalent Se(5) and three equivalent Se(6) atoms. All Ge(3)-Se(5) bond lengths are 2.77 Å. All Ge(3)-Se(6) bond lengths are 2.82 Å. There are six inequivalent Se sites. In the first Se site, Se(1) is bonded in a tetrahedral geometry to three equivalent Dy(1) and one Ge(1) atom. In the second Se site, Se(2) is bonded in a tetrahedral geometry to three equivalent Dy(2) and one Ge(2) atom. In the third Se site, Se(3) is bonded in a distorted rectangular see-saw-like geometry to one Dy(2), two equivalent Dy(1), and one Ge(1) atom. In the fourth Se site, Se(4) is bonded in a distorted rectangular see-saw-like geometry to one Dy(1), two equivalent Dy(2), and one Ge(2) atom. In the fifth Se site, Se(5) is bonded in a 5-coordinate geometry to two equivalent Dy(1), two equivalent Dy(2), and one Ge(3) atom. In the sixth Se site, Se(6) is bonded in a 5-coordinate geometry to two equivalent Dy(1), two equivalent Dy(2), and one Ge(3) atom.