HgTl(AsS2)3 crystallizes in the monoclinic P2_1/c space group. Hg(1) is bonded in a distorted T-shaped geometry to one S(2), one S(5), and one S(6) atom. Tl(1) is bonded in a single-bond geometry to one S(6) atom. There are three inequivalent As sites. In the first As site, As(1) is bonded in a distorted T-shaped geometry to one S(3), one S(4), and one S(5) atom. In the second As site, As(2) is bonded in a distorted trigonal non-coplanar geometry to one S(1), one S(4), and one S(6) atom. In the third As site, As(3) is bonded in a distorted trigonal non-coplanar geometry to one S(1), one S(2), and one S(3) atom. There are six inequivalent S sites. In the first S site, S(5) is bonded in a water-like geometry to one Hg(1) and one As(1) atom. In the second S site, S(6) is bonded in a distorted trigonal non-coplanar geometry to one Hg(1), one Tl(1), and one As(2) atom. In the third S site, S(1) is bonded in an L-shaped geometry to one As(2) and one As(3) atom. In the fourth S site, S(2) is bonded in a water-like geometry to one Hg(1) and one As(3) atom. In the fifth S site, S(3) is bonded in a water-like geometry to one As(1) and one As(3) atom. In the sixth S site, S(4) is bonded in a water-like geometry to one As(1) and one As(2) atom.
HgTl(AsS2)3 crystallizes in the monoclinic P2_1/c space group. Hg(1) is bonded in a distorted T-shaped geometry to one S(2), one S(5), and one S(6) atom. The Hg(1)-S(2) bond length is 2.45 Å. The Hg(1)-S(5) bond length is 2.45 Å. The Hg(1)-S(6) bond length is 2.84 Å. Tl(1) is bonded in a single-bond geometry to one S(6) atom. The Tl(1)-S(6) bond length is 3.07 Å. There are three inequivalent As sites. In the first As site, As(1) is bonded in a distorted T-shaped geometry to one S(3), one S(4), and one S(5) atom. The As(1)-S(3) bond length is 2.35 Å. The As(1)-S(4) bond length is 2.31 Å. The As(1)-S(5) bond length is 2.26 Å. In the second As site, As(2) is bonded in a distorted trigonal non-coplanar geometry to one S(1), one S(4), and one S(6) atom. The As(2)-S(1) bond length is 2.37 Å. The As(2)-S(4) bond length is 2.30 Å. The As(2)-S(6) bond length is 2.22 Å. In the third As site, As(3) is bonded in a distorted trigonal non-coplanar geometry to one S(1), one S(2), and one S(3) atom. The As(3)-S(1) bond length is 2.27 Å. The As(3)-S(2) bond length is 2.28 Å. The As(3)-S(3) bond length is 2.32 Å. There are six inequivalent S sites. In the first S site, S(5) is bonded in a water-like geometry to one Hg(1) and one As(1) atom. In the second S site, S(6) is bonded in a distorted trigonal non-coplanar geometry to one Hg(1), one Tl(1), and one As(2) atom. In the third S site, S(1) is bonded in an L-shaped geometry to one As(2) and one As(3) atom. In the fourth S site, S(2) is bonded in a water-like geometry to one Hg(1) and one As(3) atom. In the fifth S site, S(3) is bonded in a water-like geometry to one As(1) and one As(3) atom. In the sixth S site, S(4) is bonded in a water-like geometry to one As(1) and one As(2) atom.