Sr2C12N2H8SO9 crystallizes in the triclinic P-1 space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 6-coordinate geometry to one O(3), one O(5), one O(7), one O(9), and two equivalent O(8) atoms. The Sr(1)-O(3) bond length is 2.48 Å. The Sr(1)-O(5) bond length is 2.52 Å. The Sr(1)-O(7) bond length is 2.61 Å. The Sr(1)-O(9) bond length is 2.66 Å. There is one shorter (2.46 Å) and one longer (2.78 Å) Sr(1)-O(8) bond length. In the second Sr site, Sr(2) is bonded in a 7-coordinate geometry to one O(1), one O(5), one O(9), two equivalent O(2), and two equivalent O(6) atoms. The Sr(2)-O(1) bond length is 2.69 Å. The Sr(2)-O(5) bond length is 2.72 Å. The Sr(2)-O(9) bond length is 2.71 Å. There is one shorter (2.62 Å) and one longer (2.68 Å) Sr(2)-O(2) bond length. There is one shorter (2.54 Å) and one longer (2.66 Å) Sr(2)-O(6) bond length. There are twelve inequivalent C sites. In the first C site, C(1) is bonded in a distorted single-bond geometry to one C(2), one N(2), and one S(1) atom. The C(1)-C(2) bond length is 1.40 Å. The C(1)-N(2) bond length is 1.36 Å. The C(1)-S(1) bond length is 1.73 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(5) atom. The C(2)-C(3) bond length is 1.44 Å. The C(2)-C(5) bond length is 1.43 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(6) atom. The C(3)-C(4) bond length is 1.37 Å. The C(3)-C(6) bond length is 1.50 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(3), one C(8), and one S(1) atom. The C(4)-C(8) bond length is 1.48 Å. The C(4)-S(1) bond length is 1.73 Å. In the fifth C site, C(5) is bonded in a distorted linear geometry to one C(2) and one N(1) atom. The C(5)-N(1) bond length is 1.15 Å. In the sixth C site, C(6) is bonded in a water-like geometry to one C(3) and two equivalent H(1,2) atoms. Both C(6)-H(1,2) bond lengths are 0.99 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(2) atom. The C(7)-O(1) bond length is 1.26 Å. The C(7)-O(2) bond length is 1.26 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(3), and one O(4) atom. The C(8)-O(3) bond length is 1.26 Å. The C(8)-O(4) bond length is 1.28 Å. In the ninth C site, C(9) is bonded in a 3-coordinate geometry to one C(10); one N(2); and two equivalent H(3,4) atoms. The C(9)-C(10) bond length is 1.54 Å. The C(9)-N(2) bond length is 1.46 Å. Both C(9)-H(3,4) bond lengths are 0.99 Å. In the tenth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(9), one O(5), and one O(6) atom. The C(10)-O(5) bond length is 1.26 Å. The C(10)-O(6) bond length is 1.26 Å. In the eleventh C site, C(11) is bonded in a 3-coordinate geometry to one N(2) and two equivalent H(5,6) atoms. The C(11)-N(2) bond length is 1.46 Å. Both C(11)-H(5,6) bond lengths are 0.99 Å. In the twelfth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one O(7) and one O(8) atom. The C(12)-O(7) bond length is 1.26 Å. The C(12)-O(8) bond length is 1.25 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a single-bond geometry to one C(5) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(1), one C(11), and one C(9) atom. There are five inequivalent H sites. In the first H site, H(1,2) is bonded in a single-bond geometry to one C(6) atom. In the second H site, H(3,4) is bonded in a single-bond geometry to one C(9) atom. In the third H site, H(5,6) is bonded in a single-bond geometry to one C(11) atom. In the fourth H site, H(7) is bonded in a single-bond geometry to one O(9) atom. The H(7)-O(9) bond length is 0.80 Å. In the fifth H site, H(8) is bonded in a single-bond geometry to one O(9) atom. The H(8)-O(9) bond length is 0.82 Å. S(1) is bonded in an L-shaped geometry to one C(1) and one C(4) atom. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one Sr(2) and one C(7) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to two equivalent Sr(2) and one C(7) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Sr(1) and one C(8) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one C(8) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Sr(1), one Sr(2), and one C(10) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to two equivalent Sr(2) and one C(10) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one Sr(1) and one C(12) atom. In the eighth O site, O(8) is bonded in a 1-coordinate geometry to two equivalent Sr(1) and one C(12) atom. In the ninth O site, O(9) is bonded in a distorted water-like geometry to one Sr(1), one Sr(2), one H(7), and one H(8) atom. Linkers: 2 N#Cc1c(N(CC([O])=O)CC([O])=O)sc(C([O])=O)c1CC([O])=O. Metal clusters: 4 [Sr]. The MOF has largest included sphere 6.35 A, density 1.53 g/cm3, surface area 3379.70 m2/g, accessible volume 0.27 cm3/g