Cd2C25N5H27O11 crystallizes in the orthorhombic Pna2_1 space group. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one O(10), one O(11), one O(2), one O(3), one O(5), and one O(9) atom to form corner-sharing CdO6 octahedra. The Cd(1)-O(10) bond length is 2.39 Å. The Cd(1)-O(11) bond length is 2.39 Å. The Cd(1)-O(2) bond length is 2.33 Å. The Cd(1)-O(3) bond length is 2.29 Å. The Cd(1)-O(5) bond length is 2.24 Å. The Cd(1)-O(9) bond length is 2.27 Å. In the second Cd site, Cd(2) is bonded to one O(1), one O(2), one O(4), one O(6), one O(7), and one O(8) atom to form distorted corner-sharing CdO6 pentagonal pyramids. The corner-sharing octahedral tilt angles are 77°. The Cd(2)-O(1) bond length is 2.45 Å. The Cd(2)-O(2) bond length is 2.41 Å. The Cd(2)-O(4) bond length is 2.27 Å. The Cd(2)-O(6) bond length is 2.22 Å. The Cd(2)-O(7) bond length is 2.30 Å. The Cd(2)-O(8) bond length is 2.45 Å. There are twenty-four inequivalent C sites. In the first C site, C(4) is bonded in a trigonal planar geometry to one C(3), one C(5), and one C(6) atom. The C(4)-C(3) bond length is 1.39 Å. The C(4)-C(5) bond length is 1.50 Å. The C(4)-C(6) bond length is 1.40 Å. In the second C site, C(5) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(3), and one O(4) atom. The C(5)-O(3) bond length is 1.27 Å. The C(5)-O(4) bond length is 1.27 Å. In the third C site, C(6) is bonded in a distorted single-bond geometry to one C(4), one C(7), and one H(2) atom. The C(6)-C(7) bond length is 1.40 Å. The C(6)-H(2) bond length is 1.09 Å. In the fourth C site, C(7) is bonded in a distorted trigonal planar geometry to one C(6), one C(8), and one N(1) atom. The C(7)-C(8) bond length is 1.40 Å. The C(7)-N(1) bond length is 1.42 Å. In the fifth C site, C(8) is bonded in a distorted trigonal planar geometry to one C(2), one C(7), and one H(3) atom. The C(8)-C(2) bond length is 1.39 Å. The C(8)-H(3) bond length is 1.09 Å. In the sixth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(10), one C(16), and one N(2) atom. The C(9)-C(10) bond length is 1.41 Å. The C(9)-C(16) bond length is 1.40 Å. The C(9)-N(2) bond length is 1.41 Å. In the seventh C site, C(10) is bonded in a distorted trigonal planar geometry to one C(11), one C(9), and one H(4) atom. The C(10)-C(11) bond length is 1.39 Å. The C(10)-H(4) bond length is 1.09 Å. In the eighth C site, C(11) is bonded in a trigonal planar geometry to one C(10), one C(12), and one C(13) atom. The C(11)-C(12) bond length is 1.50 Å. The C(11)-C(13) bond length is 1.40 Å. In the ninth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one C(11), one O(5), and one O(6) atom. The C(12)-O(5) bond length is 1.27 Å. The C(12)-O(6) bond length is 1.27 Å. In the tenth C site, C(13) is bonded in a distorted trigonal planar geometry to one C(11), one C(14), and one H(5) atom. The C(13)-C(14) bond length is 1.40 Å. The C(13)-H(5) bond length is 1.09 Å. In the eleventh C site, C(14) is bonded in a trigonal planar geometry to one C(13), one C(15), and one C(16) atom. The C(14)-C(15) bond length is 1.50 Å. The C(14)-C(16) bond length is 1.40 Å. In the twelfth C site, C(15) is bonded in a distorted bent 120 degrees geometry to one C(14), one O(7), and one O(8) atom. The C(15)-O(7) bond length is 1.29 Å. The C(15)-O(8) bond length is 1.27 Å. In the thirteenth C site, C(16) is bonded in a distorted single-bond geometry to one C(14), one C(9), and one H(6) atom. The C(16)-H(6) bond length is 1.09 Å. In the fourteenth C site, C(17) is bonded in a trigonal planar geometry to one N(3), one H(7), and one O(9) atom. The C(17)-N(3) bond length is 1.33 Å. The C(17)-H(7) bond length is 1.10 Å. The C(17)-O(9) bond length is 1.26 Å. In the fifteenth C site, C(18) is bonded to one N(3), one H(10), one H(8), and one H(9) atom to form corner-sharing CH3N tetrahedra. The C(18)-N(3) bond length is 1.46 Å. The C(18)-H(10) bond length is 1.10 Å. The C(18)-H(8) bond length is 1.10 Å. The C(18)-H(9) bond length is 1.10 Å. In the sixteenth C site, C(19) is bonded to one N(3), one H(11), one H(12), and one H(13) atom to form corner-sharing CH3N tetrahedra. The C(19)-N(3) bond length is 1.46 Å. The C(19)-H(11) bond length is 1.10 Å. The C(19)-H(12) bond length is 1.10 Å. The C(19)-H(13) bond length is 1.10 Å. In the seventeenth C site, C(20) is bonded in a trigonal planar geometry to one N(4), one H(14), and one O(10) atom. The C(20)-N(4) bond length is 1.34 Å. The C(20)-H(14) bond length is 1.11 Å. The C(20)-O(10) bond length is 1.25 Å. In the eighteenth C site, C(21,22) is bonded to one N(4), one H(15), one H(16), and one H(17) atom to form corner-sharing CH3N tetrahedra. The C(21,22)-N(4) bond length is 1.45 Å. The C(21,22)-H(15) bond length is 1.10 Å. The C(21,22)-H(16) bond length is 1.10 Å. The C(21,22)-H(17) bond length is 1.10 Å. In the nineteenth C site, C(23) is bonded in a trigonal planar geometry to one N(5), one H(21), and one O(11) atom. The C(23)-N(5) bond length is 1.34 Å. The C(23)-H(21) bond length is 1.10 Å. The C(23)-O(11) bond length is 1.26 Å. In the twentieth C site, C(24) is bonded to one N(5), one H(22), one H(23), and one H(24) atom to form corner-sharing CH3N tetrahedra. The C(24)-N(5) bond length is 1.46 Å. The C(24)-H(22) bond length is 1.10 Å. The C(24)-H(23) bond length is 1.10 Å. The C(24)-H(24) bond length is 1.10 Å. In the twenty-first C site, C(25) is bonded to one N(5), one H(25), one H(26), and one H(27) atom to form corner-sharing CH3N tetrahedra. The C(25)-N(5) bond length is 1.46 Å. The C(25)-H(25) bond length is 1.10 Å. The C(25)-H(26) bond length is 1.10 Å. The C(25)-H(27) bond length is 1.10 Å. In the twenty-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 1.49 Å. The C(1)-O(1) bond length is 1.26 Å. The C(1)-O(2) bond length is 1.29 Å. In the twenty-third C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(8) atom. The C(2)-C(3) bond length is 1.40 Å. In the twenty-fourth C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(4), and one H(1) atom. The C(3)-H(1) bond length is 1.09 Å. There are five inequivalent N sites. In the first N site, N(1) is bonded in a distorted bent 120 degrees geometry to one C(7) and one N(2) atom. The N(1)-N(2) bond length is 1.27 Å. In the second N site, N(2) is bonded in a distorted bent 120 degrees geometry to one C(9) and one N(1) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one C(17), one C(18), and one C(19) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one C(20) and two equivalent C(21,22) atoms. In the fifth N site, N(5) is bonded in a trigonal planar geometry to one C(23), one C(24), and one C(25) atom. There are twenty-seven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(6) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(8) 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(13) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(16) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(17) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(18) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(18) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(18) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(19) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(19) atom. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one C(19) atom. In the fourteenth H site, H(14) is bonded in a single-bond geometry to one C(20) atom. In the fifteenth H site, H(15) is bonded in a single-bond geometry to one C(21,22) atom. In the sixteenth H site, H(16) is bonded in a single-bond geometry to one C(21,22) atom. In the seventeenth H site, H(17) is bonded in a single-bond geometry to one C(21,22) atom. In the eighteenth H site, H(18) is bonded in a single-bond geometry to one C(21,22) atom. The H(18)-C(21,22) bond length is 1.09 Å. In the nineteenth H site, H(19) is bonded in a single-bond geometry to one C(21,22) atom. The H(19)-C(21,22) bond length is 1.10 Å. In the twentieth H site, H(20) is bonded in a single-bond geometry to one C(21,22) atom. The H(20)-C(21,22) bond length is 1.10 Å. In the twenty-first H site, H(21) is bonded in a single-bond geometry to one C(23) atom. In the twenty-second H site, H(22) is bonded in a single-bond geometry to one C(24) atom. In the twenty-third H site, H(23) is bonded in a single-bond geometry to one C(24) atom. In the twenty-fourth H site, H(24) is bonded in a single-bond geometry to one C(24) atom. In the twenty-fifth H site, H(25) is bonded in a single-bond geometry to one C(25) atom. In the twenty-sixth H site, H(26) is bonded in a single-bond geometry to one C(25) atom. In the twenty-seventh H site, H(27) is bonded in a single-bond geometry to one C(25) atom. There are eleven inequivalent O sites. In the first O site, O(6) is bonded in a bent 120 degrees geometry to one Cd(2) and one C(12) atom. In the second O site, O(7) is bonded in a distorted L-shaped geometry to one Cd(2) and one C(15) atom. In the third O site, O(8) is bonded in a distorted L-shaped geometry to one Cd(2) and one C(15) atom. In the fourth O site, O(9) is bonded in a bent 120 degrees geometry to one Cd(1) and one C(17) atom. In the fifth O site, O(10) is bonded in a bent 120 degrees geometry to one Cd(1) and one C(20) atom. In the sixth O site, O(11) is bonded in a distorted bent 120 degrees geometry to one Cd(1) and one C(23) atom. In the seventh O site, O(4) is bonded in a bent 120 degrees geometry to one Cd(2) and one C(5) atom. In the eighth O site, O(1) is bonded in a distorted L-shaped geometry to one Cd(2) and one C(1) atom. In the ninth O site, O(2) is bonded in a 3-coordinate geometry to one Cd(1), one Cd(2), and one C(1) atom. In the tenth O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Cd(1) and one C(5) atom. In the eleventh O site, O(5) is bonded in a bent 150 degrees geometry to one Cd(1) and one C(12) atom. Linkers: 4 [O]C(=O)c1cc([N][N]c2cc(C([O])=O)cc(C([O])=O)c2)cc(C([O])=O)c1. Metal clusters: 8 [Cd]. The MOF has largest included sphere 5.38 A, density 1.15 g/cm3, surface area 4478.02 m2/g, accessible volume 0.43 cm3/g