Cd2C26NH15O12CH3 crystallizes in the orthorhombic Pccn space group. The structure consists of eight 02329_fluka molecules inside a Cd2C26NH15O12 framework. In the Cd2C26NH15O12 framework, there are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one O(1), one O(11), one O(12), one O(2), one O(3), one O(4), one O(8), and one O(9) atom to form distorted corner-sharing CdO8 hexagonal bipyramids. The Cd(1)-O(1) bond length is 2.44 Å. The Cd(1)-O(11) bond length is 2.35 Å. The Cd(1)-O(12) bond length is 2.22 Å. The Cd(1)-O(2) bond length is 2.32 Å. The Cd(1)-O(3) bond length is 2.49 Å. The Cd(1)-O(4) bond length is 2.33 Å. The Cd(1)-O(8) bond length is 2.31 Å. The Cd(1)-O(9) bond length is 2.35 Å. In the second Cd site, Cd(2) is bonded to one O(10), one O(4), one O(5), one O(6), and one O(7) atom to form distorted corner-sharing CdO5 square pyramids. The Cd(2)-O(10) bond length is 2.21 Å. The Cd(2)-O(4) bond length is 2.42 Å. The Cd(2)-O(5) bond length is 2.31 Å. The Cd(2)-O(6) bond length is 2.38 Å. The Cd(2)-O(7) bond length is 2.19 Å. There are twenty-six inequivalent C sites. In the first C site, C(1) is bonded in a distorted single-bond geometry to one C(2), one C(6), and one H(1) atom. The C(1)-C(2) bond length is 1.41 Å. The C(1)-C(6) bond length is 1.38 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 C(1), one C(19), and one C(3) atom. The C(2)-C(19) bond length is 1.52 Å. The C(2)-C(3) bond length is 1.39 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(4), and one H(2) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-H(2) bond length is 0.93 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(3), one C(5), and one C(7) atom. The C(4)-C(5) bond length is 1.40 Å. The C(4)-C(7) bond length is 1.48 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(3) atom. The C(5)-C(6) bond length is 1.39 Å. The C(5)-H(3) bond length is 0.93 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(1), one C(20), and one C(5) atom. The C(6)-C(20) bond length is 1.49 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one C(16), one C(4), and one C(8) atom. The C(7)-C(16) bond length is 1.40 Å. The C(7)-C(8) bond length is 1.40 Å. In the eighth C site, C(8) is bonded in a single-bond geometry to one C(7), one C(9), and one H(4) atom. The C(8)-C(9) bond length is 1.40 Å. The C(8)-H(4) bond length is 0.93 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one C(10), one C(15), and one C(8) atom. The C(9)-C(10) bond length is 1.49 Å. The C(9)-C(15) bond length is 1.41 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one C(12), one C(21), and one C(9) atom. The C(10)-C(12) bond length is 1.40 Å. The C(10)-C(21) bond length is 1.40 Å. In the eleventh C site, C(11) is bonded in a trigonal planar geometry to one C(12), one C(18), and one C(22) atom. The C(11)-C(12) bond length is 1.38 Å. The C(11)-C(18) bond length is 1.51 Å. The C(11)-C(22) bond length is 1.40 Å. In the twelfth C site, C(12) is bonded in a distorted single-bond geometry to one C(10), one C(11), and one H(5) atom. The C(12)-H(5) bond length is 0.93 Å. In the thirteenth C site, C(13) is bonded in a bent 120 degrees geometry to one C(23), one O(1), and one O(2) atom. The C(13)-C(23) bond length is 1.50 Å. The C(13)-O(1) bond length is 1.25 Å. The C(13)-O(2) bond length is 1.25 Å. In the fourteenth C site, C(14) is bonded in a trigonal planar geometry to one C(15), one C(16), and one C(17) atom. The C(14)-C(15) bond length is 1.42 Å. The C(14)-C(16) bond length is 1.37 Å. The C(14)-C(17) bond length is 1.50 Å. In the fifteenth C site, C(15) is bonded in a distorted single-bond geometry to one C(14), one C(9), and one H(6) atom. The C(15)-H(6) bond length is 0.93 Å. In the sixteenth C site, C(16) is bonded in a single-bond geometry to one C(14), one C(7), and one H(7) atom. The C(16)-H(7) bond length is 0.93 Å. In the seventeenth C site, C(17) is bonded in a distorted bent 120 degrees geometry to one C(14), one O(3), and one O(4) atom. The C(17)-O(3) bond length is 1.23 Å. The C(17)-O(4) bond length is 1.28 Å. In the eighteenth C site, C(18) is bonded in a distorted bent 120 degrees geometry to one C(11), one O(5), and one O(6) atom. The C(18)-O(5) bond length is 1.25 Å. The C(18)-O(6) bond length is 1.24 Å. In the nineteenth C site, C(19) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(10), and one O(9) atom. The C(19)-O(10) bond length is 1.24 Å. The C(19)-O(9) bond length is 1.26 Å. In the twentieth C site, C(20) is bonded in a distorted bent 120 degrees geometry to one C(6), one O(7), and one O(8) atom. The C(20)-O(7) bond length is 1.26 Å. The C(20)-O(8) bond length is 1.26 Å. In the twenty-first C site, C(21) is bonded in a distorted single-bond geometry to one C(10), one C(23), and one H(8) atom. The C(21)-C(23) bond length is 1.40 Å. The C(21)-H(8) bond length is 0.93 Å. In the twenty-second C site, C(22) is bonded in a distorted single-bond geometry to one C(11), one C(23), and one H(9) atom. The C(22)-C(23) bond length is 1.39 Å. The C(22)-H(9) bond length is 0.93 Å. In the twenty-third C site, C(23) is bonded in a trigonal planar geometry to one C(13), one C(21), and one C(22) atom. In the twenty-fourth C site, C(24) is bonded to one N(1); one H(10); and two equivalent H(11,12) atoms to form corner-sharing CH3N tetrahedra. The C(24)-N(1) bond length is 1.49 Å. The C(24)-H(10) bond length is 0.96 Å. Both C(24)-H(11,12) bond lengths are 0.96 Å. In the twenty-fifth C site, C(25) is bonded to one N(1); one H(14); and two equivalent H(13,15) atoms to form corner-sharing CH3N tetrahedra. The C(25)-N(1) bond length is 1.47 Å. The C(25)-H(14) bond length is 0.96 Å. Both C(25)-H(13,15) bond lengths are 0.96 Å. In the twenty-sixth C site, C(26) is bonded in a 2-coordinate geometry to one N(1) and one O(12) atom. The C(26)-N(1) bond length is 1.47 Å. The C(26)-O(12) bond length is 1.22 Å. N(1) is bonded in a trigonal planar geometry to one C(24), one C(25), and one C(26) atom. There are thirteen 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(3) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(5) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(8) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(12) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(15) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(16) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(21) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(22) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(24) atom. In the eleventh H site, H(11,12) is bonded in a single-bond geometry to one C(24) atom. In the twelfth H site, H(13,15) is bonded in a single-bond geometry to one C(25) atom. In the thirteenth H site, H(14) is bonded in a single-bond geometry to one C(25) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted L-shaped geometry to one Cd(1) and one C(13) atom. In the second O site, O(2) is bonded in a distorted L-shaped geometry to one Cd(1) and one C(13) atom. In the third O site, O(3) is bonded in a distorted L-shaped geometry to one Cd(1) and one C(17) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Cd(1), one Cd(2), and one C(17) atom. In the fifth O site, O(5) is bonded in an L-shaped geometry to one Cd(2) and one C(18) atom. In the sixth O site, O(6) is bonded in a distorted L-shaped geometry to one Cd(2) and one C(18) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Cd(2) and one C(20) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Cd(1) and one C(20) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one Cd(1) and one C(19) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Cd(2) and one C(19) atom. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one Cd(1) and one O(12) atom. The O(11)-O(12) bond length is 0.70 Å. In the twelfth O site, O(12) is bonded in a 3-coordinate geometry to one Cd(1), one C(26), and one O(11) atom. Linkers: 8 [O]C(=O)c1cc(C([O])=O)cc(-c2cc(C([O])=O)cc(-c3cc(C([O])=O)cc(C([O])=O)c3)c2)c1. Metal clusters: 8 [O]O[Cd](O[C]O[Cd]1(O[C]=O)O[C]O1)(O[C]=O)O[C]=O. The MOF has largest included sphere 5.64 A, density 1.33 g/cm3, surface area 3696.44 m2/g, accessible volume 0.42 cm3/g