CdC15N2H16O7(CH)4 crystallizes in the triclinic P-1 space group. The structure consists of two isobutylene molecules inside a CdC15N2H16O7 framework. In the CdC15N2H16O7 framework, Cd(1) is bonded in an octahedral geometry to one N(1), one N(2), one O(3), one O(5), one O(6), and one O(7) atom. The Cd(1)-N(1) bond length is 2.32 Å. The Cd(1)-N(2) bond length is 2.30 Å. The Cd(1)-O(3) bond length is 2.37 Å. The Cd(1)-O(5) bond length is 2.39 Å. The Cd(1)-O(6) bond length is 2.46 Å. The Cd(1)-O(7) bond length is 2.35 Å. There are fifteen inequivalent C sites. In the first 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 1.51 Å. The C(1)-O(1) bond length is 1.27 Å. The C(1)-O(2) bond length is 1.28 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(7) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-C(7) bond length is 1.40 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2) and one H(1) atom. The C(3)-H(1) bond length is 1.09 Å. In the fourth C site, C(7) is bonded in a distorted single-bond geometry to one C(2) and one H(4) atom. The C(7)-H(4) bond length is 1.09 Å. In the fifth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. The C(9)-O(3) bond length is 1.30 Å. The C(9)-O(4) bond length is 1.25 Å. In the sixth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(11), one N(2), and one H(7) atom. The C(10)-C(11) bond length is 1.39 Å. The C(10)-N(2) bond length is 1.34 Å. The C(10)-H(7) bond length is 1.09 Å. In the seventh C site, C(11) is bonded in a distorted single-bond geometry to one C(10), one C(12), and one H(8) atom. The C(11)-C(12) bond length is 1.40 Å. The C(11)-H(8) bond length is 1.09 Å. In the eighth C site, C(12) is bonded in a trigonal planar geometry to one C(11), one C(12), and one C(13) atom. The C(12)-C(12) bond length is 1.48 Å. The C(12)-C(13) bond length is 1.40 Å. In the ninth C site, C(13) is bonded in a distorted single-bond geometry to one C(12) and one H(9) atom. The C(13)-H(9) bond length is 1.09 Å. In the tenth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(10) atom. The C(14)-N(2) bond length is 1.35 Å. The C(14)-H(10) bond length is 1.09 Å. In the eleventh C site, C(15) is bonded in a distorted trigonal planar geometry to one C(16), one N(1), and one H(11) atom. The C(15)-C(16) bond length is 1.39 Å. The C(15)-N(1) bond length is 1.34 Å. The C(15)-H(11) bond length is 1.09 Å. In the twelfth C site, C(16) is bonded in a distorted single-bond geometry to one C(15), one C(17), and one H(12) atom. The C(16)-C(17) bond length is 1.40 Å. The C(16)-H(12) bond length is 1.09 Å. In the thirteenth C site, C(17) is bonded in a trigonal planar geometry to one C(16), one C(17), and one C(18) atom. The C(17)-C(17) bond length is 1.47 Å. The C(17)-C(18) bond length is 1.40 Å. In the fourteenth C site, C(18) is bonded in a distorted single-bond geometry to one C(17), one C(19), and one H(13) atom. The C(18)-C(19) bond length is 1.39 Å. The C(18)-H(13) bond length is 1.09 Å. In the fifteenth C site, C(19) is bonded in a distorted trigonal planar geometry to one C(18), one N(1), and one H(14) atom. The C(19)-N(1) bond length is 1.34 Å. The C(19)-H(14) bond length is 1.09 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Cd(1), one C(15), and one C(19) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Cd(1), one C(10), and one C(14) atom. There are sixteen 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(4) is bonded in a single-bond geometry to one C(7) atom. In the third H site, H(7) is bonded in a single-bond geometry to one C(10) atom. In the fourth H site, H(8) is bonded in a single-bond geometry to one C(11) atom. In the fifth H site, H(9) is bonded in a single-bond geometry to one C(13) atom. In the sixth H site, H(10) is bonded in a single-bond geometry to one C(14) atom. In the seventh H site, H(11) is bonded in a single-bond geometry to one C(15) atom. In the eighth H site, H(12) is bonded in a single-bond geometry to one C(16) atom. In the ninth H site, H(13) is bonded in a single-bond geometry to one C(18) atom. In the tenth H site, H(14) is bonded in a single-bond geometry to one C(19) atom. In the eleventh H site, H(15) is bonded in a distorted linear geometry to one O(1) and one O(5) atom. The H(15)-O(1) bond length is 1.58 Å. The H(15)-O(5) bond length is 1.03 Å. In the twelfth H site, H(16) is bonded in a single-bond geometry to one O(5) atom. The H(16)-O(5) bond length is 0.99 Å. In the thirteenth H site, H(17) is bonded in a linear geometry to one O(2) and one O(6) atom. The H(17)-O(2) bond length is 1.51 Å. The H(17)-O(6) bond length is 1.05 Å. In the fourteenth H site, H(18) is bonded in a single-bond geometry to one O(6) atom. The H(18)-O(6) bond length is 0.98 Å. In the fifteenth H site, H(19) is bonded in a distorted single-bond geometry to one O(3) and one O(7) atom. The H(19)-O(3) bond length is 1.69 Å. The H(19)-O(7) bond length is 1.00 Å. In the sixteenth H site, H(20) is bonded in a distorted single-bond geometry to one O(4) and one O(7) atom. The H(20)-O(4) bond length is 1.67 Å. The H(20)-O(7) bond length is 1.01 Å. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one C(1) and one H(15) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one C(1) and one H(17) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Cd(1), one C(9), and one H(19) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one C(9) and one H(20) atom. In the fifth O site, O(5) is bonded in a distorted water-like geometry to one Cd(1), one H(15), and one H(16) atom. In the sixth O site, O(6) is bonded in a water-like geometry to one Cd(1), one H(17), and one H(18) atom. In the seventh O site, O(7) is bonded in a distorted water-like geometry to one Cd(1), one H(19), and one H(20) atom. Linkers: 2 c1cc(-c2ccncc2)ccn1. Metal clusters: 2 [Cd]. The MOF has largest included sphere 2.01 A, density 1.83 g/cm3, surface area 4141.33 m2/g, accessible volume 0.08 cm3/g