Ag4CdGe2S7 is Stannite-like structured and crystallizes in the monoclinic Cc space group. There are four inequivalent Ag sites. In the first Ag site, Ag(1) is bonded to one S(1), one S(5), one S(6), and one S(7) atom to form AgS4 tetrahedra that share  a cornercorner with one Ag(3)S4 tetrahedra,  a cornercorner with one Ag(4)S4 tetrahedra, corners with two equivalent Cd(1)S4 tetrahedra, corners with two equivalent Ge(2)S4 tetrahedra, corners with three equivalent Ag(2)S4 tetrahedra, and corners with three equivalent Ge(1)S4 tetrahedra. In the second Ag site, Ag(2) is bonded to one S(1), one S(2), one S(6), and one S(7) atom to form AgS4 tetrahedra that share  a cornercorner with one Ag(4)S4 tetrahedra,  a cornercorner with one Cd(1)S4 tetrahedra, corners with two equivalent Ag(3)S4 tetrahedra, corners with two equivalent Ge(1)S4 tetrahedra, corners with three equivalent Ag(1)S4 tetrahedra, and corners with three equivalent Ge(2)S4 tetrahedra. In the third Ag site, Ag(3) is bonded to one S(2), one S(3), one S(4), and one S(7) atom to form AgS4 tetrahedra that share  a cornercorner with one Ag(1)S4 tetrahedra,  a cornercorner with one Ge(1)S4 tetrahedra, corners with two equivalent Ag(2)S4 tetrahedra, corners with two equivalent Cd(1)S4 tetrahedra, corners with three equivalent Ag(4)S4 tetrahedra, and corners with three equivalent Ge(2)S4 tetrahedra. In the fourth Ag site, Ag(4) is bonded to one S(2), one S(3), one S(4), and one S(5) atom to form AgS4 tetrahedra that share  a cornercorner with one Ag(1)S4 tetrahedra,  a cornercorner with one Ag(2)S4 tetrahedra, corners with two equivalent Ge(1)S4 tetrahedra, corners with two equivalent Ge(2)S4 tetrahedra, corners with three equivalent Ag(3)S4 tetrahedra, and corners with three equivalent Cd(1)S4 tetrahedra. Cd(1) is bonded to one S(3), one S(4), one S(5), and one S(6) atom to form CdS4 tetrahedra that share  a cornercorner with one Ag(2)S4 tetrahedra,  a cornercorner with one Ge(2)S4 tetrahedra, corners with two equivalent Ag(1)S4 tetrahedra, corners with two equivalent Ag(3)S4 tetrahedra, corners with three equivalent Ag(4)S4 tetrahedra, and corners with three equivalent Ge(1)S4 tetrahedra. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded to one S(1), one S(4), one S(5), and one S(6) atom to form GeS4 tetrahedra that share  a cornercorner with one Ag(3)S4 tetrahedra,  a cornercorner with one Ge(2)S4 tetrahedra, corners with two equivalent Ag(2)S4 tetrahedra, corners with two equivalent Ag(4)S4 tetrahedra, corners with three equivalent Ag(1)S4 tetrahedra, and corners with three equivalent Cd(1)S4 tetrahedra. In the second Ge site, Ge(2) is bonded to one S(1), one S(2), one S(3), and one S(7) atom to form GeS4 tetrahedra that share  a cornercorner with one Cd(1)S4 tetrahedra,  a cornercorner with one Ge(1)S4 tetrahedra, corners with two equivalent Ag(1)S4 tetrahedra, corners with two equivalent Ag(4)S4 tetrahedra, corners with three equivalent Ag(2)S4 tetrahedra, and corners with three equivalent Ag(3)S4 tetrahedra. There are seven inequivalent S sites. In the first S site, S(3) is bonded to one Ag(3), one Ag(4), one Cd(1), and one Ge(2) atom to form SCdAg2Ge tetrahedra that share  a cornercorner with one S(1)Ag2Ge2 tetrahedra,  a cornercorner with one S(6)CdAg2Ge tetrahedra, corners with two equivalent S(7)Ag3Ge tetrahedra, corners with two equivalent S(5)CdAg2Ge tetrahedra, corners with three equivalent S(2)Ag3Ge tetrahedra, and corners with three equivalent S(4)CdAg2Ge trigonal pyramids. In the second S site, S(4) is bonded to one Ag(3), one Ag(4), one Cd(1), and one Ge(1) atom to form SCdAg2Ge trigonal pyramids that share  a cornercorner with one S(1)Ag2Ge2 tetrahedra,  a cornercorner with one S(7)Ag3Ge tetrahedra, corners with two equivalent S(2)Ag3Ge tetrahedra, corners with two equivalent S(6)CdAg2Ge tetrahedra, corners with three equivalent S(3)CdAg2Ge tetrahedra, and corners with three equivalent S(5)CdAg2Ge tetrahedra. In the third S site, S(5) is bonded to one Ag(1), one Ag(4), one Cd(1), and one Ge(1) atom to form SCdAg2Ge tetrahedra that share  a cornercorner with one S(2)Ag3Ge tetrahedra,  a cornercorner with one S(7)Ag3Ge tetrahedra, corners with two equivalent S(1)Ag2Ge2 tetrahedra, corners with two equivalent S(3)CdAg2Ge tetrahedra, corners with three equivalent S(6)CdAg2Ge tetrahedra, and corners with three equivalent S(4)CdAg2Ge trigonal pyramids. In the fourth S site, S(6) is bonded to one Ag(1), one Ag(2), one Cd(1), and one Ge(1) atom to form SCdAg2Ge tetrahedra that share  a cornercorner with one S(2)Ag3Ge tetrahedra,  a cornercorner with one S(3)CdAg2Ge tetrahedra, corners with two equivalent S(7)Ag3Ge tetrahedra, corners with three equivalent S(1)Ag2Ge2 tetrahedra, corners with three equivalent S(5)CdAg2Ge tetrahedra, and corners with two equivalent S(4)CdAg2Ge trigonal pyramids. In the fifth S site, S(7) is bonded to one Ag(1), one Ag(2), one Ag(3), and one Ge(2) atom to form SAg3Ge tetrahedra that share  a cornercorner with one S(5)CdAg2Ge tetrahedra, corners with two equivalent S(3)CdAg2Ge tetrahedra, corners with two equivalent S(6)CdAg2Ge tetrahedra, corners with three equivalent S(1)Ag2Ge2 tetrahedra, corners with three equivalent S(2)Ag3Ge tetrahedra, and  a cornercorner with one S(4)CdAg2Ge trigonal pyramid. In the sixth S site, S(1) is bonded to one Ag(1), one Ag(2), one Ge(1), and one Ge(2) atom to form SAg2Ge2 tetrahedra that share  a cornercorner with one S(3)CdAg2Ge tetrahedra, corners with two equivalent S(2)Ag3Ge tetrahedra, corners with two equivalent S(5)CdAg2Ge tetrahedra, corners with three equivalent S(7)Ag3Ge tetrahedra, corners with three equivalent S(6)CdAg2Ge tetrahedra, and  a cornercorner with one S(4)CdAg2Ge trigonal pyramid. In the seventh S site, S(2) is bonded to one Ag(2), one Ag(3), one Ag(4), and one Ge(2) atom to form SAg3Ge tetrahedra that share  a cornercorner with one S(5)CdAg2Ge tetrahedra,  a cornercorner with one S(6)CdAg2Ge tetrahedra, corners with two equivalent S(1)Ag2Ge2 tetrahedra, corners with three equivalent S(7)Ag3Ge tetrahedra, corners with three equivalent S(3)CdAg2Ge tetrahedra, and corners with two equivalent S(4)CdAg2Ge trigonal pyramids.
Ag4CdGe2S7 is Stannite-like structured and crystallizes in the monoclinic Cc space group. There are four inequivalent Ag sites. In the first Ag site, Ag(1) is bonded to one S(1), one S(5), one S(6), and one S(7) atom to form AgS4 tetrahedra that share  a cornercorner with one Ag(3)S4 tetrahedra,  a cornercorner with one Ag(4)S4 tetrahedra, corners with two equivalent Cd(1)S4 tetrahedra, corners with two equivalent Ge(2)S4 tetrahedra, corners with three equivalent Ag(2)S4 tetrahedra, and corners with three equivalent Ge(1)S4 tetrahedra. The Ag(1)-S(1) bond length is 2.67 Å. The Ag(1)-S(5) bond length is 2.53 Å. The Ag(1)-S(6) bond length is 2.62 Å. The Ag(1)-S(7) bond length is 2.52 Å. In the second Ag site, Ag(2) is bonded to one S(1), one S(2), one S(6), and one S(7) atom to form AgS4 tetrahedra that share  a cornercorner with one Ag(4)S4 tetrahedra,  a cornercorner with one Cd(1)S4 tetrahedra, corners with two equivalent Ag(3)S4 tetrahedra, corners with two equivalent Ge(1)S4 tetrahedra, corners with three equivalent Ag(1)S4 tetrahedra, and corners with three equivalent Ge(2)S4 tetrahedra. The Ag(2)-S(1) bond length is 2.58 Å. The Ag(2)-S(2) bond length is 2.55 Å. The Ag(2)-S(6) bond length is 2.61 Å. The Ag(2)-S(7) bond length is 2.56 Å. In the third Ag site, Ag(3) is bonded to one S(2), one S(3), one S(4), and one S(7) atom to form AgS4 tetrahedra that share  a cornercorner with one Ag(1)S4 tetrahedra,  a cornercorner with one Ge(1)S4 tetrahedra, corners with two equivalent Ag(2)S4 tetrahedra, corners with two equivalent Cd(1)S4 tetrahedra, corners with three equivalent Ag(4)S4 tetrahedra, and corners with three equivalent Ge(2)S4 tetrahedra. The Ag(3)-S(2) bond length is 2.53 Å. The Ag(3)-S(3) bond length is 2.60 Å. The Ag(3)-S(4) bond length is 2.55 Å. The Ag(3)-S(7) bond length is 2.55 Å. In the fourth Ag site, Ag(4) is bonded to one S(2), one S(3), one S(4), and one S(5) atom to form AgS4 tetrahedra that share  a cornercorner with one Ag(1)S4 tetrahedra,  a cornercorner with one Ag(2)S4 tetrahedra, corners with two equivalent Ge(1)S4 tetrahedra, corners with two equivalent Ge(2)S4 tetrahedra, corners with three equivalent Ag(3)S4 tetrahedra, and corners with three equivalent Cd(1)S4 tetrahedra. The Ag(4)-S(2) bond length is 2.53 Å. The Ag(4)-S(3) bond length is 2.65 Å. The Ag(4)-S(4) bond length is 2.55 Å. The Ag(4)-S(5) bond length is 2.69 Å. Cd(1) is bonded to one S(3), one S(4), one S(5), and one S(6) atom to form CdS4 tetrahedra that share  a cornercorner with one Ag(2)S4 tetrahedra,  a cornercorner with one Ge(2)S4 tetrahedra, corners with two equivalent Ag(1)S4 tetrahedra, corners with two equivalent Ag(3)S4 tetrahedra, corners with three equivalent Ag(4)S4 tetrahedra, and corners with three equivalent Ge(1)S4 tetrahedra. The Cd(1)-S(3) bond length is 2.57 Å. The Cd(1)-S(4) bond length is 2.59 Å. The Cd(1)-S(5) bond length is 2.61 Å. The Cd(1)-S(6) bond length is 2.56 Å. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded to one S(1), one S(4), one S(5), and one S(6) atom to form GeS4 tetrahedra that share  a cornercorner with one Ag(3)S4 tetrahedra,  a cornercorner with one Ge(2)S4 tetrahedra, corners with two equivalent Ag(2)S4 tetrahedra, corners with two equivalent Ag(4)S4 tetrahedra, corners with three equivalent Ag(1)S4 tetrahedra, and corners with three equivalent Cd(1)S4 tetrahedra. The Ge(1)-S(1) bond length is 2.32 Å. The Ge(1)-S(4) bond length is 2.25 Å. The Ge(1)-S(5) bond length is 2.25 Å. The Ge(1)-S(6) bond length is 2.25 Å. In the second Ge site, Ge(2) is bonded to one S(1), one S(2), one S(3), and one S(7) atom to form GeS4 tetrahedra that share  a cornercorner with one Cd(1)S4 tetrahedra,  a cornercorner with one Ge(1)S4 tetrahedra, corners with two equivalent Ag(1)S4 tetrahedra, corners with two equivalent Ag(4)S4 tetrahedra, corners with three equivalent Ag(2)S4 tetrahedra, and corners with three equivalent Ag(3)S4 tetrahedra. The Ge(2)-S(1) bond length is 2.40 Å. The Ge(2)-S(2) bond length is 2.22 Å. The Ge(2)-S(3) bond length is 2.27 Å. The Ge(2)-S(7) bond length is 2.21 Å. There are seven inequivalent S sites. In the first S site, S(3) is bonded to one Ag(3), one Ag(4), one Cd(1), and one Ge(2) atom to form SCdAg2Ge tetrahedra that share  a cornercorner with one S(1)Ag2Ge2 tetrahedra,  a cornercorner with one S(6)CdAg2Ge tetrahedra, corners with two equivalent S(7)Ag3Ge tetrahedra, corners with two equivalent S(5)CdAg2Ge tetrahedra, corners with three equivalent S(2)Ag3Ge tetrahedra, and corners with three equivalent S(4)CdAg2Ge trigonal pyramids. In the second S site, S(4) is bonded to one Ag(3), one Ag(4), one Cd(1), and one Ge(1) atom to form SCdAg2Ge trigonal pyramids that share  a cornercorner with one S(1)Ag2Ge2 tetrahedra,  a cornercorner with one S(7)Ag3Ge tetrahedra, corners with two equivalent S(2)Ag3Ge tetrahedra, corners with two equivalent S(6)CdAg2Ge tetrahedra, corners with three equivalent S(3)CdAg2Ge tetrahedra, and corners with three equivalent S(5)CdAg2Ge tetrahedra. In the third S site, S(5) is bonded to one Ag(1), one Ag(4), one Cd(1), and one Ge(1) atom to form SCdAg2Ge tetrahedra that share  a cornercorner with one S(2)Ag3Ge tetrahedra,  a cornercorner with one S(7)Ag3Ge tetrahedra, corners with two equivalent S(1)Ag2Ge2 tetrahedra, corners with two equivalent S(3)CdAg2Ge tetrahedra, corners with three equivalent S(6)CdAg2Ge tetrahedra, and corners with three equivalent S(4)CdAg2Ge trigonal pyramids. In the fourth S site, S(6) is bonded to one Ag(1), one Ag(2), one Cd(1), and one Ge(1) atom to form SCdAg2Ge tetrahedra that share  a cornercorner with one S(2)Ag3Ge tetrahedra,  a cornercorner with one S(3)CdAg2Ge tetrahedra, corners with two equivalent S(7)Ag3Ge tetrahedra, corners with three equivalent S(1)Ag2Ge2 tetrahedra, corners with three equivalent S(5)CdAg2Ge tetrahedra, and corners with two equivalent S(4)CdAg2Ge trigonal pyramids. In the fifth S site, S(7) is bonded to one Ag(1), one Ag(2), one Ag(3), and one Ge(2) atom to form SAg3Ge tetrahedra that share  a cornercorner with one S(5)CdAg2Ge tetrahedra, corners with two equivalent S(3)CdAg2Ge tetrahedra, corners with two equivalent S(6)CdAg2Ge tetrahedra, corners with three equivalent S(1)Ag2Ge2 tetrahedra, corners with three equivalent S(2)Ag3Ge tetrahedra, and  a cornercorner with one S(4)CdAg2Ge trigonal pyramid. In the sixth S site, S(1) is bonded to one Ag(1), one Ag(2), one Ge(1), and one Ge(2) atom to form SAg2Ge2 tetrahedra that share  a cornercorner with one S(3)CdAg2Ge tetrahedra, corners with two equivalent S(2)Ag3Ge tetrahedra, corners with two equivalent S(5)CdAg2Ge tetrahedra, corners with three equivalent S(7)Ag3Ge tetrahedra, corners with three equivalent S(6)CdAg2Ge tetrahedra, and  a cornercorner with one S(4)CdAg2Ge trigonal pyramid. In the seventh S site, S(2) is bonded to one Ag(2), one Ag(3), one Ag(4), and one Ge(2) atom to form SAg3Ge tetrahedra that share  a cornercorner with one S(5)CdAg2Ge tetrahedra,  a cornercorner with one S(6)CdAg2Ge tetrahedra, corners with two equivalent S(1)Ag2Ge2 tetrahedra, corners with three equivalent S(7)Ag3Ge tetrahedra, corners with three equivalent S(3)CdAg2Ge tetrahedra, and corners with two equivalent S(4)CdAg2Ge trigonal pyramids.