Mg(CoS2)4 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 11-coordinate geometry to one Co(1), one Co(2), one Co(3), one Co(4), one S(1), one S(3), one S(4), one S(5), one S(6), one S(7), and one S(8) atom. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded in a 7-coordinate geometry to one Mg(1), one S(1), one S(3), one S(4), one S(6), one S(7), and one S(8) atom. In the second Co site, Co(2) is bonded in a 7-coordinate geometry to one Mg(1), one S(2), one S(3), one S(4), one S(5), one S(6), and one S(7) atom. In the third Co site, Co(3) is bonded in a 7-coordinate geometry to one Mg(1), one S(1), one S(2), one S(4), one S(5), one S(7), and one S(8) atom. In the fourth Co site, Co(4) is bonded in a 7-coordinate geometry to one Mg(1), one S(1), one S(2), one S(3), one S(5), one S(6), and one S(8) atom. There are eight inequivalent S sites. In the first S site, S(1) is bonded in a 5-coordinate geometry to one Mg(1), one Co(1), one Co(3), one Co(4), and one S(8) atom. In the second S site, S(2) is bonded in a distorted tetrahedral geometry to one Co(2), one Co(3), one Co(4), and one S(5) atom. In the third S site, S(3) is bonded in a 3-coordinate geometry to one Mg(1), one Co(1), one Co(2), one Co(4), and one S(6) atom. In the fourth S site, S(4) is bonded in a 5-coordinate geometry to one Mg(1), one Co(1), one Co(2), one Co(3), and one S(7) atom. In the fifth S site, S(5) is bonded in a 5-coordinate geometry to one Mg(1), one Co(2), one Co(3), one Co(4), and one S(2) atom. In the sixth S site, S(6) is bonded in a 5-coordinate geometry to one Mg(1), one Co(1), one Co(2), one Co(4), and one S(3) atom. In the seventh S site, S(7) is bonded in a 5-coordinate geometry to one Mg(1), one Co(1), one Co(2), one Co(3), and one S(4) atom. In the eighth S site, S(8) is bonded in a 5-coordinate geometry to one Mg(1), one Co(1), one Co(3), one Co(4), and one S(1) atom.
Mg(CoS2)4 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 11-coordinate geometry to one Co(1), one Co(2), one Co(3), one Co(4), one S(1), one S(3), one S(4), one S(5), one S(6), one S(7), and one S(8) atom. The Mg(1)-Co(1) bond length is 2.44 Å. The Mg(1)-Co(2) bond length is 2.76 Å. The Mg(1)-Co(3) bond length is 2.76 Å. The Mg(1)-Co(4) bond length is 2.76 Å. The Mg(1)-S(1) bond length is 2.96 Å. The Mg(1)-S(3) bond length is 2.96 Å. The Mg(1)-S(4) bond length is 2.95 Å. The Mg(1)-S(5) bond length is 2.26 Å. The Mg(1)-S(6) bond length is 2.35 Å. The Mg(1)-S(7) bond length is 2.35 Å. The Mg(1)-S(8) bond length is 2.35 Å. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded in a 7-coordinate geometry to one Mg(1), one S(1), one S(3), one S(4), one S(6), one S(7), and one S(8) atom. The Co(1)-S(1) bond length is 2.28 Å. The Co(1)-S(3) bond length is 2.28 Å. The Co(1)-S(4) bond length is 2.28 Å. The Co(1)-S(6) bond length is 2.71 Å. The Co(1)-S(7) bond length is 2.74 Å. The Co(1)-S(8) bond length is 2.70 Å. In the second Co site, Co(2) is bonded in a 7-coordinate geometry to one Mg(1), one S(2), one S(3), one S(4), one S(5), one S(6), and one S(7) atom. The Co(2)-S(2) bond length is 2.36 Å. The Co(2)-S(3) bond length is 2.34 Å. The Co(2)-S(4) bond length is 2.44 Å. The Co(2)-S(5) bond length is 2.48 Å. The Co(2)-S(6) bond length is 2.71 Å. The Co(2)-S(7) bond length is 2.27 Å. In the third Co site, Co(3) is bonded in a 7-coordinate geometry to one Mg(1), one S(1), one S(2), one S(4), one S(5), one S(7), and one S(8) atom. The Co(3)-S(1) bond length is 2.45 Å. The Co(3)-S(2) bond length is 2.37 Å. The Co(3)-S(4) bond length is 2.34 Å. The Co(3)-S(5) bond length is 2.49 Å. The Co(3)-S(7) bond length is 2.67 Å. The Co(3)-S(8) bond length is 2.27 Å. In the fourth Co site, Co(4) is bonded in a 7-coordinate geometry to one Mg(1), one S(1), one S(2), one S(3), one S(5), one S(6), and one S(8) atom. The Co(4)-S(1) bond length is 2.34 Å. The Co(4)-S(2) bond length is 2.37 Å. The Co(4)-S(3) bond length is 2.44 Å. The Co(4)-S(5) bond length is 2.51 Å. The Co(4)-S(6) bond length is 2.27 Å. The Co(4)-S(8) bond length is 2.69 Å. There are eight inequivalent S sites. In the first S site, S(1) is bonded in a 5-coordinate geometry to one Mg(1), one Co(1), one Co(3), one Co(4), and one S(8) atom. The S(1)-S(8) bond length is 2.16 Å. In the second S site, S(2) is bonded in a distorted tetrahedral geometry to one Co(2), one Co(3), one Co(4), and one S(5) atom. The S(2)-S(5) bond length is 2.12 Å. In the third S site, S(3) is bonded in a 3-coordinate geometry to one Mg(1), one Co(1), one Co(2), one Co(4), and one S(6) atom. The S(3)-S(6) bond length is 2.16 Å. In the fourth S site, S(4) is bonded in a 5-coordinate geometry to one Mg(1), one Co(1), one Co(2), one Co(3), and one S(7) atom. The S(4)-S(7) bond length is 2.16 Å. In the fifth S site, S(5) is bonded in a 5-coordinate geometry to one Mg(1), one Co(2), one Co(3), one Co(4), and one S(2) atom. In the sixth S site, S(6) is bonded in a 5-coordinate geometry to one Mg(1), one Co(1), one Co(2), one Co(4), and one S(3) atom. In the seventh S site, S(7) is bonded in a 5-coordinate geometry to one Mg(1), one Co(1), one Co(2), one Co(3), and one S(4) atom. In the eighth S site, S(8) is bonded in a 5-coordinate geometry to one Mg(1), one Co(1), one Co(3), one Co(4), and one S(1) atom.