Mn2C34N3H27O10C5NH4 crystallizes in the monoclinic P2_1/c space group. The structure consists of two 4,4'-bipyridine molecules inside a Mn2C34N3H27O10 framework. In the Mn2C34N3H27O10 framework, there are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a distorted trigonal bipyramidal geometry to one N(2), one O(1), one O(2), one O(5), and one O(6) atom. The Mn(1)-N(2) bond length is 2.16 Å. The Mn(1)-O(1) bond length is 2.16 Å. The Mn(1)-O(2) bond length is 2.08 Å. The Mn(1)-O(5) bond length is 2.09 Å. The Mn(1)-O(6) bond length is 2.14 Å. In the second Mn site, Mn(2) is bonded in an octahedral geometry to one N(3), one O(10), one O(3), one O(7), one O(8), and one O(9) atom. The Mn(2)-N(3) bond length is 2.25 Å. The Mn(2)-O(10) bond length is 2.11 Å. The Mn(2)-O(3) bond length is 2.16 Å. The Mn(2)-O(7) bond length is 2.15 Å. The Mn(2)-O(8) bond length is 2.28 Å. The Mn(2)-O(9) bond length is 2.19 Å. There are thirty-four inequivalent C sites. In the first C site, C(32) is bonded in a distorted bent 120 degrees geometry to one N(3) and one H(25) atom. The C(32)-N(3) bond length is 1.35 Å. The C(32)-H(25) bond length is 1.09 Å. In the second C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(1)-C(2) bond length is 1.50 Å. The C(1)-O(1) bond length is 1.28 Å. The C(1)-O(2) bond length is 1.27 Å. In the third C site, C(33) is bonded in a distorted trigonal planar geometry to one C(34), one N(3), and one H(26) atom. The C(33)-C(34) bond length is 1.39 Å. The C(33)-N(3) bond length is 1.35 Å. The C(33)-H(26) bond length is 1.09 Å. In the fourth C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(24), and one C(3) atom. The C(2)-C(24) bond length is 1.40 Å. The C(2)-C(3) bond length is 1.40 Å. In the fifth C site, C(34) is bonded in a distorted single-bond geometry to one C(30), one C(33), and one H(27) atom. The C(34)-C(30) bond length is 1.40 Å. The C(34)-H(27) bond length is 1.09 Å. In the sixth C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(4), and one H(5) atom. The C(3)-C(4) bond length is 1.41 Å. The C(3)-H(5) bond length is 1.09 Å. In the seventh C site, C(4) is bonded in a distorted trigonal planar geometry to one C(21), one C(3), and one N(1) atom. The C(4)-C(21) bond length is 1.41 Å. The C(4)-N(1) bond length is 1.38 Å. In the eighth C site, C(5) is bonded in a distorted trigonal non-coplanar geometry to one C(6), one N(1), one H(6), and one H(7) atom. The C(5)-C(6) bond length is 1.51 Å. The C(5)-N(1) bond length is 1.45 Å. The C(5)-H(6) bond length is 1.10 Å. The C(5)-H(7) bond length is 1.10 Å. In the ninth C site, C(6) is bonded in a trigonal planar geometry to one C(12), one C(5), and one C(7) atom. The C(6)-C(12) bond length is 1.40 Å. The C(6)-C(7) bond length is 1.40 Å. In the tenth C site, C(7) is bonded in a distorted single-bond geometry to one C(6) and one H(8) atom. The C(7)-H(8) bond length is 1.09 Å. In the eleventh C site, C(8) is bonded in a distorted single-bond geometry to one C(9) and one H(9) atom. The C(8)-C(9) bond length is 1.40 Å. The C(8)-H(9) bond length is 1.09 Å. In the twelfth C site, C(9) is bonded in a trigonal planar geometry to one C(10), one C(11), and one C(8) atom. The C(9)-C(10) bond length is 1.50 Å. The C(9)-C(11) bond length is 1.40 Å. In the thirteenth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one C(9), one O(3), and one O(4) atom. The C(10)-O(3) bond length is 1.27 Å. The C(10)-O(4) bond length is 1.29 Å. In the fourteenth C site, C(11) is bonded in a distorted single-bond geometry to one C(9) and one H(10,11) atom. The C(11)-H(10,11) bond length is 1.09 Å. In the fifteenth C site, C(12) is bonded in a distorted single-bond geometry to one C(6) and one H(10,11) atom. The C(12)-H(10,11) bond length is 1.09 Å. In the sixteenth C site, C(13) is bonded in a distorted trigonal non-coplanar geometry to one C(14), one N(1), one H(12), and one H(13) atom. The C(13)-C(14) bond length is 1.52 Å. The C(13)-N(1) bond length is 1.45 Å. The C(13)-H(12) bond length is 1.10 Å. The C(13)-H(13) bond length is 1.10 Å. In the seventeenth C site, C(14) is bonded in a trigonal planar geometry to one C(13), one C(15), and one C(20) atom. The C(14)-C(15) bond length is 1.40 Å. The C(14)-C(20) bond length is 1.40 Å. In the eighteenth C site, C(15) is bonded in a distorted single-bond geometry to one C(14) and one H(14) atom. The C(15)-H(14) bond length is 1.09 Å. In the nineteenth C site, C(16) is bonded in a distorted single-bond geometry to one C(17) and one H(15,16) atom. The C(16)-C(17) bond length is 1.40 Å. The C(16)-H(15,16) bond length is 1.09 Å. In the twentieth C site, C(17) is bonded in a trigonal planar geometry to one C(16), one C(18), and one C(19) atom. The C(17)-C(18) bond length is 1.49 Å. The C(17)-C(19) bond length is 1.40 Å. In the twenty-first C site, C(18) is bonded in a distorted bent 120 degrees geometry to one C(17), one O(5), and one O(6) atom. The C(18)-O(5) bond length is 1.28 Å. The C(18)-O(6) bond length is 1.28 Å. In the twenty-second C site, C(19) is bonded in a distorted single-bond geometry to one C(17) and one H(15,16) atom. The C(19)-H(15,16) bond length is 1.09 Å. In the twenty-third C site, C(20) is bonded in a distorted single-bond geometry to one C(14) and one H(17) atom. The C(20)-H(17) bond length is 1.09 Å. In the twenty-fourth C site, C(21) is bonded in a distorted single-bond geometry to one C(22), one C(4), and one H(18) atom. The C(21)-C(22) bond length is 1.40 Å. The C(21)-H(18) bond length is 1.09 Å. In the twenty-fifth C site, C(22) is bonded in a trigonal planar geometry to one C(21), one C(23), and one C(24) atom. The C(22)-C(23) bond length is 1.50 Å. The C(22)-C(24) bond length is 1.40 Å. In the twenty-sixth C site, C(23) is bonded in a distorted bent 120 degrees geometry to one C(22), one O(10), and one O(7) atom. The C(23)-O(10) bond length is 1.28 Å. The C(23)-O(7) bond length is 1.27 Å. In the twenty-seventh C site, C(24) is bonded in a distorted trigonal planar geometry to one C(2), one C(22), and one H(19) atom. The C(24)-H(19) bond length is 1.09 Å. In the twenty-eighth C site, C(25) is bonded in a distorted trigonal planar geometry to one C(26), one N(2), and one H(20) atom. The C(25)-C(26) bond length is 1.39 Å. The C(25)-N(2) bond length is 1.35 Å. The C(25)-H(20) bond length is 1.09 Å. In the twenty-ninth C site, C(26) is bonded in a distorted trigonal planar geometry to one C(25), one C(27), and one H(21) atom. The C(26)-C(27) bond length is 1.40 Å. The C(26)-H(21) bond length is 1.09 Å. In the thirtieth C site, C(27) is bonded in a trigonal planar geometry to one C(26), one C(28), and one C(30) atom. The C(27)-C(28) bond length is 1.40 Å. The C(27)-C(30) bond length is 1.48 Å. In the thirty-first C site, C(28) is bonded in a distorted single-bond geometry to one C(27), one C(29), and one H(22) atom. The C(28)-C(29) bond length is 1.39 Å. The C(28)-H(22) bond length is 1.09 Å. In the thirty-second C site, C(29) is bonded in a distorted trigonal planar geometry to one C(28), one N(2), and one H(23) atom. The C(29)-N(2) bond length is 1.35 Å. The C(29)-H(23) bond length is 1.09 Å. In the thirty-third C site, C(30) is bonded in a trigonal planar geometry to one C(27), one C(31), and one C(34) atom. The C(30)-C(31) bond length is 1.41 Å. In the thirty-fourth C site, C(31) is bonded in a distorted single-bond geometry to one C(30) and one H(24) atom. The C(31)-H(24) bond length is 1.09 Å. There are three inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one C(13), one C(4), and one C(5) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Mn(1), one C(25), and one C(29) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one Mn(2), one C(32), and one C(33) atom. There are twenty-five inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(8) atom. The H(1)-O(8) bond length is 0.98 Å. In the second H site, H(2) is bonded in a distorted single-bond geometry to one O(4) and one O(8) atom. The H(2)-O(4) bond length is 1.65 Å. The H(2)-O(8) bond length is 1.01 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(4) and one O(9) atom. The H(3)-O(4) bond length is 1.68 Å. The H(3)-O(9) bond length is 1.00 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(9) atom. The H(4)-O(9) bond length is 0.97 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(3) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(5) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(5) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(7) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(8) atom. In the tenth H site, H(10,11) is bonded in a single-bond geometry to one C(11) atom. In the eleventh H site, H(12) is bonded in a single-bond geometry to one C(13) atom. In the twelfth H site, H(13) is bonded in a single-bond geometry to one C(13) atom. In the thirteenth H site, H(14) is bonded in a single-bond geometry to one C(15) atom. In the fourteenth H site, H(15,16) is bonded in a single-bond geometry to one C(16) atom. In the fifteenth H site, H(17) is bonded in a single-bond geometry to one C(20) atom. In the sixteenth H site, H(18) is bonded in a single-bond geometry to one C(21) atom. In the seventeenth H site, H(19) is bonded in a single-bond geometry to one C(24) atom. In the eighteenth H site, H(20) is bonded in a single-bond geometry to one C(25) atom. In the nineteenth H site, H(21) is bonded in a single-bond geometry to one C(26) atom. In the twentieth H site, H(22) is bonded in a single-bond geometry to one C(28) atom. In the twenty-first H site, H(23) is bonded in a single-bond geometry to one C(29) atom. In the twenty-second H site, H(24) is bonded in a single-bond geometry to one C(31) atom. In the twenty-third H site, H(25) is bonded in a single-bond geometry to one C(32) atom. In the twenty-fourth H site, H(26) is bonded in a single-bond geometry to one C(33) atom. In the twenty-fifth H site, H(27) is bonded in a single-bond geometry to one C(34) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Mn(1) and one C(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Mn(1) and one C(1) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one Mn(2) and one C(10) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one C(10), one H(2), and one H(3) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Mn(1) and one C(18) atom. In the sixth O site, O(6) is bonded in a water-like geometry to one Mn(1) and one C(18) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Mn(2) and one C(23) atom. In the eighth O site, O(8) is bonded in a distorted water-like geometry to one Mn(2), one H(1), and one H(2) atom. In the ninth O site, O(9) is bonded in a distorted water-like geometry to one Mn(2), one H(3), and one H(4) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Mn(2) and one C(23) atom. Linkers: 1 [O]C(=O)c1ccc(CN(Cc2ccc([C]=O)cc2)c2cc(C([O])=O)cc(C([O])=O)c2)cc1 ,3 [O]C(=O)c1ccc(CN(Cc2ccc(C([O])=O)cc2)c2cc(C([O])=O)cc(C([O])=O)c2)cc1 ,4 c1cc(-c2ccncc2)ccn1. Metal clusters: 2 [C]1O[Mn]234O[C]O[Mn]2(O1)(O[C]O3)O[C]O4 ,2 O.O.O.O.[O][C]O[Mn]1O[C]O[Mn](O[C][O])O[C]O1. The MOF has largest included sphere 3.05 A, density 1.55 g/cm3, surface area 4279.17 m2/g, accessible volume 0.21 cm3/g