Ag8GeSe6 crystallizes in the orthorhombic Pmn2_1 space group. There are five inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 3-coordinate geometry to one Se(2), one Se(3), and one Se(4) atom. In the second Ag site, Ag(2) is bonded in a 3-coordinate geometry to one Se(1), one Se(3), one Se(4), and one Se(5) atom. In the third Ag site, Ag(3) is bonded in a 3-coordinate geometry to one Se(1), one Se(2), and one Se(4) atom. In the fourth Ag site, Ag(4) is bonded in a 4-coordinate geometry to one Se(1), one Se(3), one Se(4), and one Se(5) atom. In the fifth Ag site, Ag(5) is bonded in a 4-coordinate geometry to one Se(4), one Se(5), and two equivalent Se(1) atoms. Ge(1) is bonded in a tetrahedral geometry to one Se(2), one Se(3), and two equivalent Se(1) atoms. There are five inequivalent Se sites. In the first Se site, Se(1) is bonded in a 5-coordinate geometry to one Ag(2), one Ag(3), one Ag(4), one Ag(5), and one Ge(1) atom. In the second Se site, Se(2) is bonded in a distorted tetrahedral geometry to one Ag(1), two equivalent Ag(3), and one Ge(1) atom. In the third Se site, Se(3) is bonded in a 6-coordinate geometry to one Ag(1), two equivalent Ag(2), two equivalent Ag(4), and one Ge(1) atom. In the fourth Se site, Se(4) is bonded in a 8-coordinate geometry to one Ag(1), one Ag(5), two equivalent Ag(2), two equivalent Ag(3), and two equivalent Ag(4) atoms. In the fifth Se site, Se(5) is bonded in a 5-coordinate geometry to one Ag(5), two equivalent Ag(2), and two equivalent Ag(4) atoms.
Ag8GeSe6 crystallizes in the orthorhombic Pmn2_1 space group. There are five inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 3-coordinate geometry to one Se(2), one Se(3), and one Se(4) atom. The Ag(1)-Se(2) bond length is 2.60 Å. The Ag(1)-Se(3) bond length is 2.88 Å. The Ag(1)-Se(4) bond length is 2.65 Å. In the second Ag site, Ag(2) is bonded in a 3-coordinate geometry to one Se(1), one Se(3), one Se(4), and one Se(5) atom. The Ag(2)-Se(1) bond length is 2.79 Å. The Ag(2)-Se(3) bond length is 2.69 Å. The Ag(2)-Se(4) bond length is 3.24 Å. The Ag(2)-Se(5) bond length is 2.57 Å. In the third Ag site, Ag(3) is bonded in a 3-coordinate geometry to one Se(1), one Se(2), and one Se(4) atom. The Ag(3)-Se(1) bond length is 2.68 Å. The Ag(3)-Se(2) bond length is 2.75 Å. The Ag(3)-Se(4) bond length is 2.68 Å. In the fourth Ag site, Ag(4) is bonded in a 4-coordinate geometry to one Se(1), one Se(3), one Se(4), and one Se(5) atom. The Ag(4)-Se(1) bond length is 2.79 Å. The Ag(4)-Se(3) bond length is 2.97 Å. The Ag(4)-Se(4) bond length is 2.72 Å. The Ag(4)-Se(5) bond length is 2.62 Å. In the fifth Ag site, Ag(5) is bonded in a 4-coordinate geometry to one Se(4), one Se(5), and two equivalent Se(1) atoms. The Ag(5)-Se(4) bond length is 2.67 Å. The Ag(5)-Se(5) bond length is 2.63 Å. Both Ag(5)-Se(1) bond lengths are 2.75 Å. Ge(1) is bonded in a tetrahedral geometry to one Se(2), one Se(3), and two equivalent Se(1) atoms. The Ge(1)-Se(2) bond length is 2.35 Å. The Ge(1)-Se(3) bond length is 2.37 Å. Both Ge(1)-Se(1) bond lengths are 2.37 Å. There are five inequivalent Se sites. In the first Se site, Se(1) is bonded in a 5-coordinate geometry to one Ag(2), one Ag(3), one Ag(4), one Ag(5), and one Ge(1) atom. In the second Se site, Se(2) is bonded in a distorted tetrahedral geometry to one Ag(1), two equivalent Ag(3), and one Ge(1) atom. In the third Se site, Se(3) is bonded in a 6-coordinate geometry to one Ag(1), two equivalent Ag(2), two equivalent Ag(4), and one Ge(1) atom. In the fourth Se site, Se(4) is bonded in a 8-coordinate geometry to one Ag(1), one Ag(5), two equivalent Ag(2), two equivalent Ag(3), and two equivalent Ag(4) atoms. In the fifth Se site, Se(5) is bonded in a 5-coordinate geometry to one Ag(5), two equivalent Ag(2), and two equivalent Ag(4) atoms.