MnC18H12S(NO)4 crystallizes in the monoclinic C2/c space group. The structure consists of a MnC18H12S(NO)4 framework. Mn(1) is bonded in a 6-coordinate geometry to one N(1), one N(3), one O(1), one O(2), one O(3), and one O(4) atom. The Mn(1)-N(1) bond length is 2.23 Å. The Mn(1)-N(3) bond length is 2.22 Å. The Mn(1)-O(1) bond length is 2.15 Å. The Mn(1)-O(2) bond length is 2.09 Å. The Mn(1)-O(3) bond length is 2.16 Å. The Mn(1)-O(4) bond length is 2.46 Å. There are eighteen inequivalent C sites. In the first C site, C(7) is bonded in a trigonal planar geometry to one C(11), one C(12), and one C(15) atom. The C(7)-C(11) bond length is 1.41 Å. The C(7)-C(12) bond length is 1.45 Å. The C(7)-C(15) bond length is 1.41 Å. In the second C site, C(8) is bonded in a trigonal planar geometry to one C(14), one C(3), and one S(1) atom. The C(8)-C(14) bond length is 1.39 Å. The C(8)-C(3) bond length is 1.47 Å. The C(8)-S(1) bond length is 1.72 Å. In the third C site, C(9) is bonded in a distorted single-bond geometry to one C(16), one C(2), and one H(3) atom. The C(9)-C(16) bond length is 1.38 Å. The C(9)-C(2) bond length is 1.41 Å. The C(9)-H(3) bond length is 1.09 Å. In the fourth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(4) atom. The C(10)-N(1) bond length is 1.35 Å. The C(10)-H(4) bond length is 1.09 Å. In the fifth C site, C(11) is bonded in a distorted single-bond geometry to one C(13), one C(7), and one H(5) atom. The C(11)-C(13) bond length is 1.39 Å. The C(11)-H(5) bond length is 1.09 Å. In the sixth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one C(7), one N(2), and one H(6) atom. The C(12)-N(2) bond length is 1.30 Å. The C(12)-H(6) bond length is 1.10 Å. In the seventh C site, C(13) is bonded in a distorted trigonal planar geometry to one C(11), one N(3), and one H(7) atom. The C(13)-N(3) bond length is 1.35 Å. The C(13)-H(7) bond length is 1.09 Å. In the eighth C site, C(14) is bonded in a distorted single-bond geometry to one C(5), one C(8), and one H(8) atom. The C(14)-C(5) bond length is 1.41 Å. The C(14)-H(8) bond length is 1.09 Å. In the ninth C site, C(15) is bonded in a distorted trigonal planar geometry to one C(18), one C(7), and one H(9) atom. The C(15)-C(18) bond length is 1.39 Å. The C(15)-H(9) bond length is 1.09 Å. In the tenth C site, C(16) is bonded in a distorted trigonal planar geometry to one C(9), one N(1), and one H(10) atom. The C(16)-N(1) bond length is 1.35 Å. The C(16)-H(10) bond length is 1.09 Å. In the eleventh C site, C(17) is bonded in a distorted single-bond geometry to one C(2) and one H(11) atom. The C(17)-C(2) bond length is 1.40 Å. The C(17)-H(11) bond length is 1.09 Å. In the twelfth C site, C(18) is bonded in a distorted bent 120 degrees geometry to one C(15), one N(3), and one H(12) atom. The C(18)-N(3) bond length is 1.35 Å. The C(18)-H(12) bond length is 1.09 Å. In the thirteenth C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(6), one O(2), and one O(3) atom. The C(1)-C(6) bond length is 1.47 Å. The C(1)-O(2) bond length is 1.27 Å. The C(1)-O(3) bond length is 1.28 Å. In the fourteenth C site, C(2) is bonded in a trigonal planar geometry to one C(17), one C(4), and one C(9) atom. The C(2)-C(4) bond length is 1.46 Å. In the fifteenth C site, C(3) is bonded in a bent 120 degrees geometry to one C(8), one O(1), and one O(4) atom. The C(3)-O(1) bond length is 1.29 Å. The C(3)-O(4) bond length is 1.27 Å. In the sixteenth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(2), one N(4), and one H(1) atom. The C(4)-N(4) bond length is 1.29 Å. The C(4)-H(1) bond length is 1.10 Å. In the seventeenth C site, C(5) is bonded in a distorted single-bond geometry to one C(14), one C(6), and one H(2) atom. The C(5)-C(6) bond length is 1.39 Å. The C(5)-H(2) bond length is 1.09 Å. In the eighteenth C site, C(6) is bonded in a trigonal planar geometry to one C(1), one C(5), and one S(1) atom. The C(6)-S(1) bond length is 1.72 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Mn(1), one C(10), and one C(16) atom. In the second N site, N(2) is bonded in a distorted water-like geometry to one C(12) and one N(4) atom. The N(2)-N(4) bond length is 1.38 Å. In the third N site, N(3) is bonded in a trigonal planar geometry to one Mn(1), one C(13), and one C(18) atom. In the fourth N site, N(4) is bonded in a distorted bent 120 degrees geometry to one C(4) and one N(2) atom. There are twelve inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(4) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(5) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(9) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(10) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(11) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(12) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(13) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(14) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(15) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(16) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(17) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(18) atom. S(1) is bonded in an L-shaped geometry to one C(6) and one C(8) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in an L-shaped geometry to one Mn(1) and one C(3) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Mn(1) and one C(1) atom. In the third O site, O(3) is bonded in a water-like geometry to one Mn(1) and one C(1) atom. In the fourth O site, O(4) is bonded in a distorted L-shaped geometry to one Mn(1) and one C(3) atom. Linkers: 4 [CH]([N][N][CH]c1ccncc1)c1ccncc1 ,4 [O]C(=O)c1ccc(C([O])=O)s1. Metal clusters: 2 [C]1O[Mn]2(O1)O[C]O[Mn]1(O[C]O1)O[C]O2. RCSR code: sql. The MOF has largest included sphere 4.61 A, density 1.31 g/cm3, surface area 4564.30 m2/g, accessible volume 0.22 cm3/g