MgFeAg2SnS4 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 8-coordinate geometry to one Fe(1), one Ag(1), one Ag(2), one Sn(1), one S(1), one S(2), one S(3), and one S(4) atom. Fe(1) is bonded in a 5-coordinate geometry to one Mg(1), one S(1), one S(2), one S(3), and one S(4) atom. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 5-coordinate geometry to one Mg(1), one S(1), one S(2), one S(3), and one S(4) atom. In the second Ag site, Ag(2) is bonded in a 5-coordinate geometry to one Mg(1), one S(1), one S(2), one S(3), and one S(4) atom. Sn(1) is bonded in a 5-coordinate geometry to one Mg(1), one S(1), one S(2), one S(3), and one S(4) atom. There are four inequivalent S sites. In the first S site, S(1) is bonded in a 5-coordinate geometry to one Mg(1), one Fe(1), one Ag(1), one Ag(2), and one Sn(1) atom. In the second S site, S(2) is bonded in a 5-coordinate geometry to one Mg(1), one Fe(1), one Ag(1), one Ag(2), and one Sn(1) atom. In the third S site, S(3) is bonded in a 5-coordinate geometry to one Mg(1), one Fe(1), one Ag(1), one Ag(2), and one Sn(1) atom. In the fourth S site, S(4) is bonded in a 5-coordinate geometry to one Mg(1), one Fe(1), one Ag(1), one Ag(2), and one Sn(1) atom.
MgFeAg2SnS4 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 8-coordinate geometry to one Fe(1), one Ag(1), one Ag(2), one Sn(1), one S(1), one S(2), one S(3), and one S(4) atom. The Mg(1)-Fe(1) bond length is 2.61 Å. The Mg(1)-Ag(1) bond length is 2.92 Å. The Mg(1)-Ag(2) bond length is 2.92 Å. The Mg(1)-Sn(1) bond length is 3.23 Å. The Mg(1)-S(1) bond length is 2.56 Å. The Mg(1)-S(2) bond length is 2.43 Å. The Mg(1)-S(3) bond length is 2.58 Å. The Mg(1)-S(4) bond length is 2.55 Å. Fe(1) is bonded in a 5-coordinate geometry to one Mg(1), one S(1), one S(2), one S(3), and one S(4) atom. The Fe(1)-S(1) bond length is 2.32 Å. The Fe(1)-S(2) bond length is 2.25 Å. The Fe(1)-S(3) bond length is 2.40 Å. The Fe(1)-S(4) bond length is 2.32 Å. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 5-coordinate geometry to one Mg(1), one S(1), one S(2), one S(3), and one S(4) atom. The Ag(1)-S(1) bond length is 2.55 Å. The Ag(1)-S(2) bond length is 2.75 Å. The Ag(1)-S(3) bond length is 2.51 Å. The Ag(1)-S(4) bond length is 2.89 Å. In the second Ag site, Ag(2) is bonded in a 5-coordinate geometry to one Mg(1), one S(1), one S(2), one S(3), and one S(4) atom. The Ag(2)-S(1) bond length is 2.87 Å. The Ag(2)-S(2) bond length is 2.75 Å. The Ag(2)-S(3) bond length is 2.51 Å. The Ag(2)-S(4) bond length is 2.55 Å. Sn(1) is bonded in a 5-coordinate geometry to one Mg(1), one S(1), one S(2), one S(3), and one S(4) atom. The Sn(1)-S(1) bond length is 2.86 Å. The Sn(1)-S(2) bond length is 2.71 Å. The Sn(1)-S(3) bond length is 2.85 Å. The Sn(1)-S(4) bond length is 2.86 Å. There are four inequivalent S sites. In the first S site, S(1) is bonded in a 5-coordinate geometry to one Mg(1), one Fe(1), one Ag(1), one Ag(2), and one Sn(1) atom. In the second S site, S(2) is bonded in a 5-coordinate geometry to one Mg(1), one Fe(1), one Ag(1), one Ag(2), and one Sn(1) atom. In the third S site, S(3) is bonded in a 5-coordinate geometry to one Mg(1), one Fe(1), one Ag(1), one Ag(2), and one Sn(1) atom. In the fourth S site, S(4) is bonded in a 5-coordinate geometry to one Mg(1), one Fe(1), one Ag(1), one Ag(2), and one Sn(1) atom.