PdH16(C8N)4CdH8(C2O)8 is Indium-derived structured and crystallizes in the monoclinic C2/c space group. The structure is zero-dimensional and consists of four CdH8(C2O)8 clusters and four PdH16(C8N)4 clusters. In each CdH8(C2O)8 cluster, Cd(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms. Both Cd(1)-O(1) bond lengths are 2.34 Å. Both Cd(1)-O(2) bond lengths are 2.41 Å. Both Cd(1)-O(3) bond lengths are 2.65 Å. Both Cd(1)-O(4) bond lengths are 2.40 Å. There are eight inequivalent C sites. In the first C site, C(13) is bonded in a distorted single-bond geometry to one C(14) and one H(6) atom. The C(13)-C(14) bond length is 1.38 Å. The C(13)-H(6) bond length is 0.93 Å. In the second C site, C(14) is bonded in a trigonal planar geometry to one C(13), one C(15), and one C(17) atom. The C(14)-C(15) bond length is 1.37 Å. The C(14)-C(17) bond length is 1.52 Å. In the third C site, C(15) is bonded in a distorted single-bond geometry to one C(14) and one H(7) atom. The C(15)-H(7) bond length is 0.93 Å. In the fourth C site, C(17) is bonded in a distorted bent 120 degrees geometry to one C(14), one O(1), and one O(2) atom. The C(17)-O(1) bond length is 1.23 Å. The C(17)-O(2) bond length is 1.24 Å. In the fifth C site, C(20) is bonded in a distorted single-bond geometry to one C(21) and one H(10) atom. The C(20)-C(21) bond length is 1.39 Å. The C(20)-H(10) bond length is 0.93 Å. In the sixth 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 1.39 Å. The C(21)-C(24) bond length is 1.52 Å. In the seventh C site, C(22) is bonded in a distorted single-bond geometry to one C(21) and one H(11) atom. The C(22)-H(11) bond length is 0.93 Å. In the eighth C site, C(24) is bonded in a distorted bent 120 degrees geometry to one C(21), one O(3), and one O(4) atom. The C(24)-O(3) bond length is 1.19 Å. The C(24)-O(4) bond length is 1.29 Å. There are four inequivalent H sites. In the first H site, H(6) is bonded in a single-bond geometry to one C(13) atom. In the second H site, H(7) is bonded in a single-bond geometry to one C(15) atom. In the third H site, H(10) is bonded in a single-bond geometry to one C(20) atom. In the fourth H site, H(11) is bonded in a single-bond geometry to one C(22) atom. There are four 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(17) atom. In the second O site, O(4) is bonded in an L-shaped geometry to one Cd(1) and one C(24) atom. In the third O site, O(2) is bonded in an L-shaped geometry to one Cd(1) and one C(17) atom. In the fourth O site, O(3) is bonded in a distorted single-bond geometry to one Cd(1) and one C(24) atom. In each PdH16(C8N)4 cluster, Pd(1) is bonded in a square co-planar geometry to two equivalent N(1) and two equivalent N(2) atoms. Both Pd(1)-N(1) bond lengths are 2.03 Å. Both Pd(1)-N(2) bond lengths are 2.01 Å. There are sixteen inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(10), one C(2), and one N(1) atom. The C(1)-C(10) bond length is 1.36 Å. The C(1)-C(2) bond length is 1.44 Å. The C(1)-N(1) bond length is 1.37 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1) and one H(1) atom. The C(2)-H(1) bond length is 0.93 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(4) and one H(2) atom. The C(3)-C(4) bond length is 1.43 Å. The C(3)-H(2) bond length is 0.93 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(3), one C(5), and one N(1) atom. The C(4)-C(5) bond length is 1.37 Å. The C(4)-N(1) bond length is 1.39 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(11), one C(4), and one C(6) atom. The C(5)-C(11) bond length is 1.50 Å. The C(5)-C(6) bond length is 1.40 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(5), one C(7), and one N(2) atom. The C(6)-C(7) bond length is 1.39 Å. The C(6)-N(2) bond length is 1.38 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(6) and one H(3) atom. The C(7)-H(3) bond length is 0.93 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to 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 distorted trigonal planar geometry to one C(10), one C(8), and one N(2) atom. The C(9)-C(10) bond length is 1.43 Å. The C(9)-N(2) bond length is 1.35 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one C(1), one C(18), and one C(9) atom. The C(10)-C(18) bond length is 1.49 Å. In the eleventh C site, C(11) is bonded in a trigonal planar geometry to one C(12), one C(16), and one C(5) atom. The C(11)-C(12) bond length is 1.38 Å. The C(11)-C(16) bond length is 1.38 Å. In the twelfth C site, C(12) is bonded in a distorted single-bond geometry to 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(16) is bonded in a distorted single-bond geometry to one C(11) and one H(8) atom. The C(16)-H(8) bond length is 0.93 Å. In the fourteenth C site, C(18) is bonded in a trigonal planar geometry to one C(10), one C(19), and one C(23) atom. The C(18)-C(19) bond length is 1.39 Å. The C(18)-C(23) bond length is 1.39 Å. In the fifteenth C site, C(19) is bonded in a distorted single-bond geometry to one C(18) and one H(9,12) atom. The C(19)-H(9,12) bond length is 0.93 Å. In the sixteenth C site, C(23) is bonded in a distorted single-bond geometry to one C(18) and one H(9,12) atom. The C(23)-H(9,12) bond length is 0.93 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Pd(1), one C(1), and one C(4) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Pd(1), one C(6), and one C(9) atom. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(2) 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(7) 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(8) is bonded in a single-bond geometry to one C(16) atom. In the seventh H site, H(9,12) is bonded in a single-bond geometry to one C(19) atom. Linkers: 1 [O]C(=O)c1ccc(/C2=C3\C=C/C(=C(\c4ccc([C]=O)cc4)C4=N/C(=C(/c5ccc(C([O])=O)cc5)C5=CC=C([N]5)/C(c5ccc(C([O])=O)cc5)=C5/C=CC2=N5)C=C4)[N]3)cc1 ,1 [O]C(=O)c1ccc(cc1)C1=C2C=CC3=[N]2[Pd@@]24n5c1ccc5C(=C1[N]2=C(C=C1)C(=c1n4c(=C3c2ccc(cc2)C(=O)[O])cc1)c1ccc(cc1)C(=O)[O])c1ccc(cc1)C(=O)[O] ,1 [CH]/[C]=C(/C1=N[C](/C(=C(/[CH])[N])c2ccc(C([O])=O)cc2)C=C1)c1ccc(C([O])=O)cc1 ,1 [O]C(=O)c1ccc(/C2=C3\C=C/C(=C(\c4ccc(C([O])=O)cc4)C4=N/C(=C(/c5ccc(C([O])=O)cc5)C5=CC=C([N]5)/C(c5ccc([C]=O)cc5)=C5/C=CC2=N5)C=C4)[N]3)cc1 ,1 [CH]/C([N])=C(/C1=N/C(=C(\[C]=[CH])c2ccc(C([O])=O)cc2)C=C1)c1ccc(C([O])=O)cc1. Metal clusters: 2 [Cd] ,1 [Pd]. The MOF has largest included sphere 5.48 A, density 1.17 g/cm3, surface area 3979.35 m2/g, accessible volume 0.40 cm3/g