WCu6GeS8 crystallizes in the hexagonal P6_3mc space group. W(1) is bonded to three equivalent Cu(1), three equivalent Cu(2), one S(4), and three equivalent S(3) atoms to form distorted WCu6S4 tetrahedra that share corners with three equivalent S(1)Cu3Ge tetrahedra, corners with nine equivalent S(2)Cu3Ge tetrahedra, edges with three equivalent Cu(1)WS4 tetrahedra, edges with three equivalent Cu(2)WS4 tetrahedra,  a faceface with one S(4)Cu3W tetrahedra, and faces with three equivalent S(3)Cu3W tetrahedra. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one W(1), one S(1), one S(2), and two equivalent S(3) atoms to form distorted CuWS4 tetrahedra that share  a cornercorner with one S(4)Cu3W tetrahedra, corners with two equivalent Cu(1)WS4 tetrahedra, corners with two equivalent Ge(1)S4 tetrahedra, corners with three equivalent Cu(2)WS4 tetrahedra, corners with three equivalent S(3)Cu3W tetrahedra,  an edgeedge with one W(1)Cu6S4 tetrahedra, edges with two equivalent Cu(1)WS4 tetrahedra, and edges with two equivalent Cu(2)WS4 tetrahedra. In the second Cu site, Cu(2) is bonded to one W(1), one S(3), one S(4), and two equivalent S(2) atoms to form distorted CuWS4 tetrahedra that share  a cornercorner with one S(4)Cu3W tetrahedra, corners with two equivalent Cu(2)WS4 tetrahedra, corners with two equivalent Ge(1)S4 tetrahedra, corners with three equivalent Cu(1)WS4 tetrahedra, corners with three equivalent S(3)Cu3W tetrahedra,  an edgeedge with one W(1)Cu6S4 tetrahedra, edges with two equivalent Cu(1)WS4 tetrahedra, and edges with two equivalent Cu(2)WS4 tetrahedra. Ge(1) is bonded to one S(1) and three equivalent S(2) atoms to form GeS4 tetrahedra that share corners with six equivalent Cu(1)WS4 tetrahedra and corners with six equivalent Cu(2)WS4 tetrahedra. There are four inequivalent S sites. In the first S site, S(1) is bonded to three equivalent Cu(1) and one Ge(1) atom to form SCu3Ge tetrahedra that share corners with three equivalent W(1)Cu6S4 tetrahedra, corners with six equivalent S(2)Cu3Ge tetrahedra, and corners with six equivalent S(3)Cu3W tetrahedra. In the second S site, S(2) is bonded to one Cu(1), two equivalent Cu(2), and one Ge(1) atom to form SCu3Ge tetrahedra that share corners with two equivalent S(1)Cu3Ge tetrahedra, corners with two equivalent S(4)Cu3W tetrahedra, corners with three equivalent W(1)Cu6S4 tetrahedra, corners with four equivalent S(2)Cu3Ge tetrahedra, and corners with four equivalent S(3)Cu3W tetrahedra. In the third S site, S(3) is bonded to one W(1), one Cu(2), and two equivalent Cu(1) atoms to form distorted SCu3W tetrahedra that share corners with two equivalent S(1)Cu3Ge tetrahedra, corners with three equivalent Cu(1)WS4 tetrahedra, corners with three equivalent Cu(2)WS4 tetrahedra, corners with four equivalent S(2)Cu3Ge tetrahedra,  an edgeedge with one S(4)Cu3W tetrahedra, edges with two equivalent S(3)Cu3W tetrahedra, and  a faceface with one W(1)Cu6S4 tetrahedra. In the fourth S site, S(4) is bonded to one W(1) and three equivalent Cu(2) atoms to form distorted SCu3W tetrahedra that share corners with three equivalent Cu(1)WS4 tetrahedra, corners with three equivalent Cu(2)WS4 tetrahedra, corners with six equivalent S(2)Cu3Ge tetrahedra, edges with three equivalent S(3)Cu3W tetrahedra, and  a faceface with one W(1)Cu6S4 tetrahedra.
WCu6GeS8 crystallizes in the hexagonal P6_3mc space group. W(1) is bonded to three equivalent Cu(1), three equivalent Cu(2), one S(4), and three equivalent S(3) atoms to form distorted WCu6S4 tetrahedra that share corners with three equivalent S(1)Cu3Ge tetrahedra, corners with nine equivalent S(2)Cu3Ge tetrahedra, edges with three equivalent Cu(1)WS4 tetrahedra, edges with three equivalent Cu(2)WS4 tetrahedra,  a faceface with one S(4)Cu3W tetrahedra, and faces with three equivalent S(3)Cu3W tetrahedra. All W(1)-Cu(1) bond lengths are 2.73 Å. All W(1)-Cu(2) bond lengths are 2.74 Å. The W(1)-S(4) bond length is 2.27 Å. All W(1)-S(3) bond lengths are 2.27 Å. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one W(1), one S(1), one S(2), and two equivalent S(3) atoms to form distorted CuWS4 tetrahedra that share  a cornercorner with one S(4)Cu3W tetrahedra, corners with two equivalent Cu(1)WS4 tetrahedra, corners with two equivalent Ge(1)S4 tetrahedra, corners with three equivalent Cu(2)WS4 tetrahedra, corners with three equivalent S(3)Cu3W tetrahedra,  an edgeedge with one W(1)Cu6S4 tetrahedra, edges with two equivalent Cu(1)WS4 tetrahedra, and edges with two equivalent Cu(2)WS4 tetrahedra. The Cu(1)-S(1) bond length is 2.29 Å. The Cu(1)-S(2) bond length is 2.30 Å. Both Cu(1)-S(3) bond lengths are 2.34 Å. In the second Cu site, Cu(2) is bonded to one W(1), one S(3), one S(4), and two equivalent S(2) atoms to form distorted CuWS4 tetrahedra that share  a cornercorner with one S(4)Cu3W tetrahedra, corners with two equivalent Cu(2)WS4 tetrahedra, corners with two equivalent Ge(1)S4 tetrahedra, corners with three equivalent Cu(1)WS4 tetrahedra, corners with three equivalent S(3)Cu3W tetrahedra,  an edgeedge with one W(1)Cu6S4 tetrahedra, edges with two equivalent Cu(1)WS4 tetrahedra, and edges with two equivalent Cu(2)WS4 tetrahedra. The Cu(2)-S(3) bond length is 2.34 Å. The Cu(2)-S(4) bond length is 2.33 Å. Both Cu(2)-S(2) bond lengths are 2.32 Å. Ge(1) is bonded to one S(1) and three equivalent S(2) atoms to form GeS4 tetrahedra that share corners with six equivalent Cu(1)WS4 tetrahedra and corners with six equivalent Cu(2)WS4 tetrahedra. The Ge(1)-S(1) bond length is 2.27 Å. All Ge(1)-S(2) bond lengths are 2.29 Å. There are four inequivalent S sites. In the first S site, S(1) is bonded to three equivalent Cu(1) and one Ge(1) atom to form SCu3Ge tetrahedra that share corners with three equivalent W(1)Cu6S4 tetrahedra, corners with six equivalent S(2)Cu3Ge tetrahedra, and corners with six equivalent S(3)Cu3W tetrahedra. In the second S site, S(2) is bonded to one Cu(1), two equivalent Cu(2), and one Ge(1) atom to form SCu3Ge tetrahedra that share corners with two equivalent S(1)Cu3Ge tetrahedra, corners with two equivalent S(4)Cu3W tetrahedra, corners with three equivalent W(1)Cu6S4 tetrahedra, corners with four equivalent S(2)Cu3Ge tetrahedra, and corners with four equivalent S(3)Cu3W tetrahedra. In the third S site, S(3) is bonded to one W(1), one Cu(2), and two equivalent Cu(1) atoms to form distorted SCu3W tetrahedra that share corners with two equivalent S(1)Cu3Ge tetrahedra, corners with three equivalent Cu(1)WS4 tetrahedra, corners with three equivalent Cu(2)WS4 tetrahedra, corners with four equivalent S(2)Cu3Ge tetrahedra,  an edgeedge with one S(4)Cu3W tetrahedra, edges with two equivalent S(3)Cu3W tetrahedra, and  a faceface with one W(1)Cu6S4 tetrahedra. In the fourth S site, S(4) is bonded to one W(1) and three equivalent Cu(2) atoms to form distorted SCu3W tetrahedra that share corners with three equivalent Cu(1)WS4 tetrahedra, corners with three equivalent Cu(2)WS4 tetrahedra, corners with six equivalent S(2)Cu3Ge tetrahedra, edges with three equivalent S(3)Cu3W tetrahedra, and  a faceface with one W(1)Cu6S4 tetrahedra.