TaCr3(AgS4)2 crystallizes in the monoclinic Pm space group. Ta(1) is bonded to one S(2), one S(7), two equivalent S(3), and two equivalent S(6) atoms to form TaS6 octahedra that share corners with two equivalent Ag(1)S6 octahedra, corners with four equivalent Ag(2)S6 octahedra, edges with two equivalent Ta(1)S6 octahedra, edges with four equivalent Cr(2)S6 octahedra, and  a faceface with one Ag(1)S6 octahedra. The corner-sharing octahedral tilt angles range from 49-53°. There are three inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one S(4), one S(5), two equivalent S(1), and two equivalent S(8) atoms to form CrS6 octahedra that share corners with two equivalent Ag(2)S6 octahedra, corners with four equivalent Ag(1)S6 octahedra, edges with two equivalent Cr(1)S6 octahedra, edges with four equivalent Cr(3)S6 octahedra, and  a faceface with one Ag(2)S6 octahedra. The corner-sharing octahedral tilt angles range from 47-52°. In the second Cr site, Cr(2) is bonded to one S(3), one S(6), two equivalent S(2), and two equivalent S(7) atoms to form CrS6 octahedra that share corners with two equivalent Ag(2)S6 octahedra, corners with four equivalent Ag(1)S6 octahedra, edges with two equivalent Cr(2)S6 octahedra, edges with four equivalent Ta(1)S6 octahedra, and  a faceface with one Ag(2)S6 octahedra. The corner-sharing octahedral tilt angles range from 44-50°. In the third Cr site, Cr(3) is bonded to one S(1), one S(8), two equivalent S(4), and two equivalent S(5) atoms to form CrS6 octahedra that share corners with two equivalent Ag(1)S6 octahedra, corners with four equivalent Ag(2)S6 octahedra, edges with two equivalent Cr(3)S6 octahedra, edges with four equivalent Cr(1)S6 octahedra, and  a faceface with one Ag(1)S6 octahedra. The corner-sharing octahedral tilt angles range from 46-51°. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded to one S(1), one S(2), two equivalent S(5), and two equivalent S(6) atoms to form distorted AgS6 octahedra that share corners with two equivalent Ta(1)S6 octahedra, corners with two equivalent Cr(3)S6 octahedra, corners with four equivalent Cr(1)S6 octahedra, corners with four equivalent Cr(2)S6 octahedra, edges with two equivalent Ag(1)S6 octahedra,  a faceface with one Ta(1)S6 octahedra, and  a faceface with one Cr(3)S6 octahedra. The corner-sharing octahedral tilt angles range from 46-52°. In the second Ag site, Ag(2) is bonded to one S(3), one S(4), two equivalent S(7), and two equivalent S(8) atoms to form distorted AgS6 octahedra that share corners with two equivalent Cr(1)S6 octahedra, corners with two equivalent Cr(2)S6 octahedra, corners with four equivalent Ta(1)S6 octahedra, corners with four equivalent Cr(3)S6 octahedra, edges with two equivalent Ag(2)S6 octahedra,  a faceface with one Cr(1)S6 octahedra, and  a faceface with one Cr(2)S6 octahedra. The corner-sharing octahedral tilt angles range from 44-53°. There are eight inequivalent S sites. In the first S site, S(1) is bonded in a rectangular see-saw-like geometry to one Cr(3), two equivalent Cr(1), and one Ag(1) atom. In the second S site, S(2) is bonded in a distorted rectangular see-saw-like geometry to one Ta(1), two equivalent Cr(2), and one Ag(1) atom. In the third S site, S(3) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Ta(1), one Cr(2), and one Ag(2) atom. In the fourth S site, S(4) is bonded in a rectangular see-saw-like geometry to one Cr(1), two equivalent Cr(3), and one Ag(2) atom. In the fifth S site, S(5) is bonded to one Cr(1), two equivalent Cr(3), and two equivalent Ag(1) atoms to form distorted edge-sharing SCr3Ag2 trigonal bipyramids. In the sixth S site, S(6) is bonded in a 5-coordinate geometry to two equivalent Ta(1), one Cr(2), and two equivalent Ag(1) atoms. In the seventh S site, S(7) is bonded to one Ta(1), two equivalent Cr(2), and two equivalent Ag(2) atoms to form distorted edge-sharing STaCr2Ag2 trigonal bipyramids. In the eighth S site, S(8) is bonded in a 5-coordinate geometry to one Cr(3), two equivalent Cr(1), and two equivalent Ag(2) atoms.
TaCr3(AgS4)2 crystallizes in the monoclinic Pm space group. Ta(1) is bonded to one S(2), one S(7), two equivalent S(3), and two equivalent S(6) atoms to form TaS6 octahedra that share corners with two equivalent Ag(1)S6 octahedra, corners with four equivalent Ag(2)S6 octahedra, edges with two equivalent Ta(1)S6 octahedra, edges with four equivalent Cr(2)S6 octahedra, and  a faceface with one Ag(1)S6 octahedra. The corner-sharing octahedral tilt angles range from 49-53°. The Ta(1)-S(2) bond length is 2.40 Å. The Ta(1)-S(7) bond length is 2.56 Å. Both Ta(1)-S(3) bond lengths are 2.45 Å. Both Ta(1)-S(6) bond lengths are 2.53 Å. There are three inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one S(4), one S(5), two equivalent S(1), and two equivalent S(8) atoms to form CrS6 octahedra that share corners with two equivalent Ag(2)S6 octahedra, corners with four equivalent Ag(1)S6 octahedra, edges with two equivalent Cr(1)S6 octahedra, edges with four equivalent Cr(3)S6 octahedra, and  a faceface with one Ag(2)S6 octahedra. The corner-sharing octahedral tilt angles range from 47-52°. The Cr(1)-S(4) bond length is 2.40 Å. The Cr(1)-S(5) bond length is 2.40 Å. Both Cr(1)-S(1) bond lengths are 2.35 Å. Both Cr(1)-S(8) bond lengths are 2.43 Å. In the second Cr site, Cr(2) is bonded to one S(3), one S(6), two equivalent S(2), and two equivalent S(7) atoms to form CrS6 octahedra that share corners with two equivalent Ag(2)S6 octahedra, corners with four equivalent Ag(1)S6 octahedra, edges with two equivalent Cr(2)S6 octahedra, edges with four equivalent Ta(1)S6 octahedra, and  a faceface with one Ag(2)S6 octahedra. The corner-sharing octahedral tilt angles range from 44-50°. The Cr(2)-S(3) bond length is 2.42 Å. The Cr(2)-S(6) bond length is 2.43 Å. Both Cr(2)-S(2) bond lengths are 2.41 Å. Both Cr(2)-S(7) bond lengths are 2.42 Å. In the third Cr site, Cr(3) is bonded to one S(1), one S(8), two equivalent S(4), and two equivalent S(5) atoms to form CrS6 octahedra that share corners with two equivalent Ag(1)S6 octahedra, corners with four equivalent Ag(2)S6 octahedra, edges with two equivalent Cr(3)S6 octahedra, edges with four equivalent Cr(1)S6 octahedra, and  a faceface with one Ag(1)S6 octahedra. The corner-sharing octahedral tilt angles range from 46-51°. The Cr(3)-S(1) bond length is 2.40 Å. The Cr(3)-S(8) bond length is 2.39 Å. Both Cr(3)-S(4) bond lengths are 2.35 Å. Both Cr(3)-S(5) bond lengths are 2.44 Å. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded to one S(1), one S(2), two equivalent S(5), and two equivalent S(6) atoms to form distorted AgS6 octahedra that share corners with two equivalent Ta(1)S6 octahedra, corners with two equivalent Cr(3)S6 octahedra, corners with four equivalent Cr(1)S6 octahedra, corners with four equivalent Cr(2)S6 octahedra, edges with two equivalent Ag(1)S6 octahedra,  a faceface with one Ta(1)S6 octahedra, and  a faceface with one Cr(3)S6 octahedra. The corner-sharing octahedral tilt angles range from 46-52°. The Ag(1)-S(1) bond length is 2.70 Å. The Ag(1)-S(2) bond length is 2.73 Å. Both Ag(1)-S(5) bond lengths are 2.71 Å. Both Ag(1)-S(6) bond lengths are 2.80 Å. In the second Ag site, Ag(2) is bonded to one S(3), one S(4), two equivalent S(7), and two equivalent S(8) atoms to form distorted AgS6 octahedra that share corners with two equivalent Cr(1)S6 octahedra, corners with two equivalent Cr(2)S6 octahedra, corners with four equivalent Ta(1)S6 octahedra, corners with four equivalent Cr(3)S6 octahedra, edges with two equivalent Ag(2)S6 octahedra,  a faceface with one Cr(1)S6 octahedra, and  a faceface with one Cr(2)S6 octahedra. The corner-sharing octahedral tilt angles range from 44-53°. The Ag(2)-S(3) bond length is 2.76 Å. The Ag(2)-S(4) bond length is 2.65 Å. Both Ag(2)-S(7) bond lengths are 2.77 Å. Both Ag(2)-S(8) bond lengths are 2.74 Å. There are eight inequivalent S sites. In the first S site, S(1) is bonded in a rectangular see-saw-like geometry to one Cr(3), two equivalent Cr(1), and one Ag(1) atom. In the second S site, S(2) is bonded in a distorted rectangular see-saw-like geometry to one Ta(1), two equivalent Cr(2), and one Ag(1) atom. In the third S site, S(3) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Ta(1), one Cr(2), and one Ag(2) atom. In the fourth S site, S(4) is bonded in a rectangular see-saw-like geometry to one Cr(1), two equivalent Cr(3), and one Ag(2) atom. In the fifth S site, S(5) is bonded to one Cr(1), two equivalent Cr(3), and two equivalent Ag(1) atoms to form distorted edge-sharing SCr3Ag2 trigonal bipyramids. In the sixth S site, S(6) is bonded in a 5-coordinate geometry to two equivalent Ta(1), one Cr(2), and two equivalent Ag(1) atoms. In the seventh S site, S(7) is bonded to one Ta(1), two equivalent Cr(2), and two equivalent Ag(2) atoms to form distorted edge-sharing STaCr2Ag2 trigonal bipyramids. In the eighth S site, S(8) is bonded in a 5-coordinate geometry to one Cr(3), two equivalent Cr(1), and two equivalent Ag(2) atoms.