CdC20N2H11O5(CH)4 crystallizes in the triclinic P-1 space group. The structure consists of eight 02329_fluka molecules inside a CdC20N2H11O5 framework. In the CdC20N2H11O5 framework, Cd(1) is bonded to one N(1), one O(2), one O(4), two equivalent O(1), and two equivalent O(3) atoms to form distorted edge-sharing CdNO6 pentagonal bipyramids. The Cd(1)-N(1) bond length is 2.30 Å. The Cd(1)-O(2) bond length is 2.36 Å. The Cd(1)-O(4) bond length is 2.55 Å. There is one shorter (2.47 Å) and one longer (2.54 Å) Cd(1)-O(1) bond length. There is one shorter (2.35 Å) and one longer (2.41 Å) Cd(1)-O(3) bond length. There are twenty inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(1) atom. The C(1)-N(1) bond length is 1.33 Å. The C(1)-N(2) bond length is 1.36 Å. The C(1)-H(1) bond length is 1.08 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(2) atom. The C(2)-N(1) bond length is 1.39 Å. The C(2)-H(2) bond length is 1.08 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(3) atom. The C(3)-N(2) bond length is 1.39 Å. The C(3)-H(3) bond length is 1.08 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(10), one C(5), and one N(2) atom. The C(4)-C(10) bond length is 1.40 Å. The C(4)-C(5) bond length is 1.41 Å. The C(4)-N(2) bond length is 1.43 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(10), one C(4), and one C(6) atom. The C(5)-C(10) bond length is 1.45 Å. The C(5)-C(6) bond length is 1.43 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(5) and one H(4) atom. The C(6)-H(4) bond length is 1.09 Å. In the seventh C site, C(9) is bonded in a distorted single-bond geometry to one C(10) and one H(7) atom. The C(9)-C(10) bond length is 1.43 Å. The C(9)-H(7) bond length is 1.09 Å. In the eighth C site, C(10) is bonded in a trigonal planar geometry to one C(4), one C(5), and one C(9) atom. In the ninth C site, C(11) is bonded in a distorted bent 120 degrees geometry to one C(12), one O(1), and one O(2) atom. The C(11)-C(12) bond length is 1.50 Å. The C(11)-O(1) bond length is 1.28 Å. The C(11)-O(2) bond length is 1.28 Å. In the tenth C site, C(12) is bonded in a trigonal planar geometry to one C(11), one C(13), and one C(15) atom. The C(12)-C(13) bond length is 1.40 Å. The C(12)-C(15) bond length is 1.40 Å. In the eleventh C site, C(13) is bonded in a distorted single-bond geometry to one C(12) and one H(8) atom. The C(13)-H(8) bond length is 1.09 Å. In the twelfth C site, C(15) is bonded in a distorted single-bond geometry to one C(12), one C(16), and one H(10) atom. The C(15)-C(16) bond length is 1.39 Å. The C(15)-H(10) bond length is 1.09 Å. In the thirteenth C site, C(16) is bonded in a distorted trigonal planar geometry to one C(15), one C(17), and one H(11) atom. The C(16)-C(17) bond length is 1.40 Å. The C(16)-H(11) bond length is 1.09 Å. In the fourteenth C site, C(17) is bonded in a distorted single-bond geometry to one C(16) and one O(5) atom. The C(17)-O(5) bond length is 1.40 Å. In the fifteenth C site, C(18) is bonded in a distorted single-bond geometry to one C(19) and one O(5) atom. The C(18)-C(19) bond length is 1.40 Å. The C(18)-O(5) bond length is 1.38 Å. In the sixteenth C site, C(19) is bonded in a distorted trigonal planar geometry to one C(18), one C(20), and one H(12) atom. The C(19)-C(20) bond length is 1.39 Å. The C(19)-H(12) bond length is 1.09 Å. In the seventeenth C site, C(20) is bonded in a distorted single-bond geometry to one C(19), one C(21), and one H(13) atom. The C(20)-C(21) bond length is 1.40 Å. The C(20)-H(13) bond length is 1.09 Å. In the eighteenth C site, C(21) is bonded in a trigonal planar geometry to one C(20), one C(22), and one C(24) atom. The C(21)-C(22) bond length is 1.40 Å. The C(21)-C(24) bond length is 1.48 Å. In the nineteenth C site, C(22) is bonded in a distorted single-bond geometry to one C(21) and one H(14) atom. The C(22)-H(14) bond length is 1.09 Å. In the twentieth C site, C(24) is bonded in a bent 120 degrees geometry to one C(21), one O(3), and one O(4) atom. The C(24)-O(3) bond length is 1.30 Å. The C(24)-O(4) bond length is 1.26 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(1), and one C(2) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(4) atom. There are eleven 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) is bonded in a single-bond geometry to one C(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(6) atom. In the fifth H site, H(7) is bonded in a single-bond geometry to one C(9) atom. In the sixth H site, H(8) is bonded in a single-bond geometry to one C(13) atom. In the seventh H site, H(10) is bonded in a single-bond geometry to one C(15) atom. In the eighth H site, H(11) is bonded in a single-bond geometry to one C(16) atom. In the ninth H site, H(12) is bonded in a single-bond geometry to one C(19) atom. In the tenth H site, H(13) is bonded in a single-bond geometry to one C(20) atom. In the eleventh H site, H(14) is bonded in a single-bond geometry to one C(22) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent Cd(1) and one C(11) atom. In the second O site, O(2) is bonded in a distorted L-shaped geometry to one Cd(1) and one C(11) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to two equivalent Cd(1) and one C(24) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Cd(1) and one C(24) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one C(17) and one C(18) atom. Linkers: 1 c1ccc2c(-n3ccnc3)c3ccccc3c(-n3ccnc3)c2c1 ,2 [O]C(=O)c1ccc(Oc2ccc(C([O])=O)cc2)cc1. Metal clusters: 2 [Cd]. RCSR code: sql. The MOF has largest included sphere 3.21 A, density 1.61 g/cm3, surface area 4035.81 m2/g, accessible volume 0.17 cm3/g