Mg3C24H8(SO4)4 crystallizes in the triclinic P-1 space group. There are two inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(7) atom to form corner-sharing MgO6 octahedra. The corner-sharing octahedral tilt angles are 65°. The Mg(1)-O(1) bond length is 2.04 Å. The Mg(1)-O(2) bond length is 2.16 Å. The Mg(1)-O(3) bond length is 2.00 Å. The Mg(1)-O(4) bond length is 2.05 Å. The Mg(1)-O(5) bond length is 2.01 Å. The Mg(1)-O(7) bond length is 2.22 Å. In the second Mg site, Mg(2) is bonded to two equivalent O(6), two equivalent O(7), and two equivalent O(8) atoms to form corner-sharing MgO6 octahedra. The corner-sharing octahedral tilt angles are 65°. Both Mg(2)-O(6) bond lengths are 2.07 Å. Both Mg(2)-O(7) bond lengths are 2.12 Å. Both Mg(2)-O(8) bond lengths are 2.05 Å. There are twelve inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(10), one O(1), and one O(3) atom. The C(1)-C(10) bond length is 1.49 Å. The C(1)-O(1) bond length is 1.24 Å. The C(1)-O(3) bond length is 1.26 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(9), one O(4), and one O(8) atom. The C(2)-C(9) bond length is 1.49 Å. The C(2)-O(4) bond length is 1.25 Å. The C(2)-O(8) bond length is 1.25 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(2), and one O(7) atom. The C(3)-C(4) bond length is 1.48 Å. The C(3)-O(2) bond length is 1.26 Å. The C(3)-O(7) bond length is 1.26 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(3), one C(7), and one S(1) atom. The C(4)-C(7) bond length is 1.36 Å. The C(4)-S(1) bond length is 1.72 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(6), one C(8), and one S(1) atom. The C(5)-C(6) bond length is 1.50 Å. The C(5)-C(8) bond length is 1.36 Å. The C(5)-S(1) bond length is 1.71 Å. In the sixth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(5), and one O(6) atom. The C(6)-O(5) bond length is 1.26 Å. The C(6)-O(6) bond length is 1.24 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(4) and one H(1) atom. The C(7)-H(1) bond length is 0.93 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(5) and one H(2) atom. The C(8)-H(2) bond length is 0.93 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one C(12), one C(2), and one S(2) atom. The C(9)-C(12) bond length is 1.37 Å. The C(9)-S(2) bond length is 1.71 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one C(1), one C(11), and one S(2) atom. The C(10)-C(11) bond length is 1.36 Å. The C(10)-S(2) bond length is 1.72 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(10) and one H(3) atom. The C(11)-H(3) bond length is 0.93 Å. In the twelfth C site, C(12) is bonded in a distorted single-bond geometry to one C(9) and one H(4) atom. The C(12)-H(4) bond length is 0.93 Å. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(7) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(8) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(11) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(12) atom. There are two inequivalent S sites. In the first S site, S(1) is bonded in an L-shaped geometry to one C(4) and one C(5) atom. In the second S site, S(2) is bonded in an L-shaped geometry to one C(10) and one C(9) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Mg(1) and one C(1) atom. In the second O site, O(2) is bonded in an L-shaped geometry to one Mg(1) and one C(3) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Mg(1) and one C(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Mg(1) and one C(2) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Mg(1) and one C(6) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Mg(2) and one C(6) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Mg(1), one Mg(2), and one C(3) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one Mg(2) and one C(2) atom. Linkers: 4 [O]C(=O)c1ccc(C([O])=O)s1. Metal clusters: 3 [Mg]. The MOF has largest included sphere 4.83 A, density 1.24 g/cm3, surface area 4057.33 m2/g, accessible volume 0.37 cm3/g