MgTl6(SbS4)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 3-coordinate geometry to one Tl(6), one S(3), one S(4), and one S(8) atom. There are six inequivalent Tl sites. In the first Tl site, Tl(1) is bonded in a 3-coordinate geometry to one S(2), one S(4), and one S(5) atom. In the second Tl site, Tl(2) is bonded in a distorted L-shaped geometry to one S(1) and one S(8) atom. In the third Tl site, Tl(3) is bonded in a 3-coordinate geometry to one S(1), one S(2), and one S(5) atom. In the fourth Tl site, Tl(4) is bonded in a distorted L-shaped geometry to one S(1) and one S(8) atom. In the fifth Tl site, Tl(5) is bonded in a 2-coordinate geometry to one S(3) and one S(5) atom. In the sixth Tl site, Tl(6) is bonded in a 4-coordinate geometry to one Mg(1), one S(6), one S(7), and one S(8) atom. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in a 3-coordinate geometry to one S(3), one S(4), and one S(5) atom. In the second Sb site, Sb(2) is bonded in a tetrahedral geometry to one S(1), one S(2), one S(6), and one S(7) atom. There are eight inequivalent S sites. In the first S site, S(1) is bonded in a distorted rectangular see-saw-like geometry to one Tl(2), one Tl(3), one Tl(4), and one Sb(2) atom. In the second S site, S(2) is bonded in a 3-coordinate geometry to one Tl(1), one Tl(3), and one Sb(2) atom. In the third S site, S(3) is bonded in a 2-coordinate geometry to one Mg(1), one Tl(5), and one Sb(1) atom. In the fourth S site, S(4) is bonded in a 2-coordinate geometry to one Mg(1), one Tl(1), and one Sb(1) atom. In the fifth S site, S(5) is bonded in a distorted rectangular see-saw-like geometry to one Tl(1), one Tl(3), one Tl(5), and one Sb(1) atom. In the sixth S site, S(6) is bonded in a distorted L-shaped geometry to one Tl(6) and one Sb(2) atom. In the seventh S site, S(7) is bonded in an L-shaped geometry to one Tl(6) and one Sb(2) atom. In the eighth S site, S(8) is bonded in a distorted trigonal pyramidal geometry to one Mg(1), one Tl(2), one Tl(4), and one Tl(6) atom.
MgTl6(SbS4)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 3-coordinate geometry to one Tl(6), one S(3), one S(4), and one S(8) atom. The Mg(1)-Tl(6) bond length is 3.12 Å. The Mg(1)-S(3) bond length is 2.43 Å. The Mg(1)-S(4) bond length is 2.43 Å. The Mg(1)-S(8) bond length is 2.37 Å. There are six inequivalent Tl sites. In the first Tl site, Tl(1) is bonded in a 3-coordinate geometry to one S(2), one S(4), and one S(5) atom. The Tl(1)-S(2) bond length is 3.18 Å. The Tl(1)-S(4) bond length is 3.16 Å. The Tl(1)-S(5) bond length is 3.07 Å. In the second Tl site, Tl(2) is bonded in a distorted L-shaped geometry to one S(1) and one S(8) atom. The Tl(2)-S(1) bond length is 3.16 Å. The Tl(2)-S(8) bond length is 3.07 Å. In the third Tl site, Tl(3) is bonded in a 3-coordinate geometry to one S(1), one S(2), and one S(5) atom. The Tl(3)-S(1) bond length is 3.01 Å. The Tl(3)-S(2) bond length is 3.02 Å. The Tl(3)-S(5) bond length is 3.06 Å. In the fourth Tl site, Tl(4) is bonded in a distorted L-shaped geometry to one S(1) and one S(8) atom. The Tl(4)-S(1) bond length is 3.04 Å. The Tl(4)-S(8) bond length is 2.96 Å. In the fifth Tl site, Tl(5) is bonded in a 2-coordinate geometry to one S(3) and one S(5) atom. The Tl(5)-S(3) bond length is 3.18 Å. The Tl(5)-S(5) bond length is 3.13 Å. In the sixth Tl site, Tl(6) is bonded in a 4-coordinate geometry to one Mg(1), one S(6), one S(7), and one S(8) atom. The Tl(6)-S(6) bond length is 3.01 Å. The Tl(6)-S(7) bond length is 2.94 Å. The Tl(6)-S(8) bond length is 2.78 Å. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in a 3-coordinate geometry to one S(3), one S(4), and one S(5) atom. The Sb(1)-S(3) bond length is 2.51 Å. The Sb(1)-S(4) bond length is 2.47 Å. The Sb(1)-S(5) bond length is 2.44 Å. In the second Sb site, Sb(2) is bonded in a tetrahedral geometry to one S(1), one S(2), one S(6), and one S(7) atom. The Sb(2)-S(1) bond length is 2.38 Å. The Sb(2)-S(2) bond length is 2.36 Å. The Sb(2)-S(6) bond length is 2.37 Å. The Sb(2)-S(7) bond length is 2.37 Å. There are eight inequivalent S sites. In the first S site, S(1) is bonded in a distorted rectangular see-saw-like geometry to one Tl(2), one Tl(3), one Tl(4), and one Sb(2) atom. In the second S site, S(2) is bonded in a 3-coordinate geometry to one Tl(1), one Tl(3), and one Sb(2) atom. In the third S site, S(3) is bonded in a 2-coordinate geometry to one Mg(1), one Tl(5), and one Sb(1) atom. In the fourth S site, S(4) is bonded in a 2-coordinate geometry to one Mg(1), one Tl(1), and one Sb(1) atom. In the fifth S site, S(5) is bonded in a distorted rectangular see-saw-like geometry to one Tl(1), one Tl(3), one Tl(5), and one Sb(1) atom. In the sixth S site, S(6) is bonded in a distorted L-shaped geometry to one Tl(6) and one Sb(2) atom. In the seventh S site, S(7) is bonded in an L-shaped geometry to one Tl(6) and one Sb(2) atom. In the eighth S site, S(8) is bonded in a distorted trigonal pyramidal geometry to one Mg(1), one Tl(2), one Tl(4), and one Tl(6) atom.