MnC15N9H15SO4 crystallizes in the triclinic P-1 space group. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a square co-planar geometry to two equivalent N(9) and two equivalent O(3) atoms. Both Mn(1)-N(9) bond lengths are 2.25 Å. Both Mn(1)-O(3) bond lengths are 2.18 Å. In the second Mn site, Mn(2) is bonded to two equivalent N(3), two equivalent N(6), and two equivalent O(1) atoms to form MnN4O2 octahedra that share corners with two equivalent S(1)O4 tetrahedra. Both Mn(2)-N(3) bond lengths are 2.31 Å. Both Mn(2)-N(6) bond lengths are 2.26 Å. Both Mn(2)-O(1) bond lengths are 2.15 Å. There are fifteen inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one N(2), one N(3), and one H(1) atom. The C(1)-N(2) bond length is 1.33 Å. The C(1)-N(3) bond length is 1.35 Å. The C(1)-H(1) bond length is 0.93 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one N(1), one N(3), and one H(2) atom. The C(2)-N(1) bond length is 1.34 Å. The C(2)-N(3) bond length is 1.32 Å. The C(2)-H(2) bond length is 0.93 Å. In the third C site, C(3) is bonded in a 3-coordinate geometry to one C(4); one N(1); and two equivalent H(3,4) atoms. The C(3)-C(4) bond length is 1.52 Å. The C(3)-N(1) bond length is 1.46 Å. Both C(3)-H(3,4) bond lengths are 0.97 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(11), one C(3), and one C(5) atom. The C(4)-C(11) bond length is 1.38 Å. The C(4)-C(5) bond length is 1.39 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(4), one C(6), and one H(5) atom. The C(5)-C(6) bond length is 1.40 Å. The C(5)-H(5) bond length is 0.93 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(10), one C(5), and one C(7) atom. The C(6)-C(10) bond length is 1.38 Å. The C(6)-C(7) bond length is 1.52 Å. In the seventh C site, C(7) is bonded in a 3-coordinate geometry to one C(6); one N(4); and two equivalent H(6,7) atoms. The C(7)-N(4) bond length is 1.46 Å. Both C(7)-H(6,7) bond lengths are 0.97 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one N(5), one N(6), and one H(8) atom. The C(8)-N(5) bond length is 1.32 Å. The C(8)-N(6) bond length is 1.34 Å. The C(8)-H(8) bond length is 0.93 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one N(4), one N(6), and one H(9) atom. The C(9)-N(4) bond length is 1.33 Å. The C(9)-N(6) bond length is 1.33 Å. The C(9)-H(9) bond length is 0.93 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(12), one C(6), and one H(10) atom. The C(10)-C(12) bond length is 1.40 Å. The C(10)-H(10) bond length is 0.93 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(12), one C(4), and one H(11) atom. The C(11)-C(12) bond length is 1.39 Å. The C(11)-H(11) bond length is 0.93 Å. In the twelfth C site, C(12) is bonded in a trigonal planar geometry to one C(10), one C(11), and one C(13) atom. The C(12)-C(13) bond length is 1.53 Å. In the thirteenth C site, C(13) is bonded in a 3-coordinate geometry to one C(12); one N(7); and two equivalent H(12,13) atoms. The C(13)-N(7) bond length is 1.46 Å. Both C(13)-H(12,13) bond lengths are 0.97 Å. In the fourteenth C site, C(14) is bonded in a trigonal planar geometry to one N(8), one N(9), and one H(14) atom. The C(14)-N(8) bond length is 1.31 Å. The C(14)-N(9) bond length is 1.35 Å. The C(14)-H(14) bond length is 0.93 Å. In the fifteenth C site, C(15) is bonded in a trigonal planar geometry to one N(7), one N(9), and one H(15) atom. The C(15)-N(7) bond length is 1.32 Å. The C(15)-N(9) bond length is 1.32 Å. The C(15)-H(15) bond length is 0.93 Å. There are nine inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one C(2), one C(3), and one N(2) atom. The N(1)-N(2) bond length is 1.37 Å. In the second N site, N(2) is bonded in a distorted water-like geometry to one C(1) and one N(1) atom. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one Mn(2), one C(1), and one C(2) atom. In the fourth N site, N(4) is bonded in a distorted trigonal planar geometry to one C(7), one C(9), and one N(5) atom. The N(4)-N(5) bond length is 1.37 Å. In the fifth N site, N(5) is bonded in a distorted water-like geometry to one C(8) and one N(4) atom. In the sixth N site, N(6) is bonded in a distorted trigonal planar geometry to one Mn(2), one C(8), and one C(9) atom. In the seventh N site, N(7) is bonded in a 2-coordinate geometry to one C(13), one C(15), and one N(8) atom. The N(7)-N(8) bond length is 1.35 Å. In the eighth N site, N(8) is bonded in a distorted water-like geometry to one C(14) and one N(7) atom. In the ninth N site, N(9) is bonded in a distorted trigonal planar geometry to one Mn(1), one C(14), and one C(15) atom. There are twelve inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(2) atom. In the third H site, H(3,4) is bonded in a single-bond geometry to one C(3) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one C(5) atom. In the fifth H site, H(6,7) is bonded in a single-bond geometry to one C(7) atom. In the sixth H site, H(8) is bonded in a single-bond geometry to one C(8) atom. In the seventh H site, H(9) is bonded in a single-bond geometry to one C(9) atom. In the eighth H site, H(10) is bonded in a single-bond geometry to one C(10) atom. In the ninth H site, H(11) is bonded in a single-bond geometry to one C(11) atom. In the tenth H site, H(12,13) is bonded in a single-bond geometry to one C(13) atom. In the eleventh H site, H(14) is bonded in a single-bond geometry to one C(14) atom. In the twelfth H site, H(15) is bonded in a single-bond geometry to one C(15) atom. S(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form SO4 tetrahedra that share  a cornercorner with one Mn(2)N4O2 octahedra. The corner-sharing octahedral tilt angles are 24°. The S(1)-O(1) bond length is 1.45 Å. The S(1)-O(2) bond length is 1.46 Å. The S(1)-O(3) bond length is 1.46 Å. The S(1)-O(4) bond length is 1.45 Å. There are four inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Mn(2) and one S(1) atom. In the second O site, O(2) is bonded in a single-bond geometry to one S(1) atom. In the third O site, O(3) is bonded in a bent 150 degrees geometry to one Mn(1) and one S(1) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one S(1) atom. Linkers: 4 [c]1ncn(Cc2cc(Cn3cncn3)cc(Cn3cncn3)c2)n1 ,2 c1ncn(Cc2cc(Cn3cncn3)cc(Cn3cncn3)c2)n1. Metal clusters: 2 [Mn]. The MOF has largest included sphere 3.98 A, density 1.35 g/cm3, surface area 4711.86 m2/g, accessible volume 0.26 cm3/g