PdCd2(C5N)8 crystallizes in the monoclinic C2/c space group. 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 2.01 Å. Both Pd(1)-N(2) bond lengths are 1.98 Å. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded in a water-like geometry to two equivalent N(3) atoms. Both Cd(1)-N(3) bond lengths are 2.32 Å. In the second Cd site, Cd(2) is bonded in a linear geometry to two equivalent N(4) atoms. Both Cd(2)-N(4) bond lengths are 2.26 Å. There are twenty inequivalent C sites. In the first C site, C(1) is bonded in a 3-coordinate geometry to one C(10), one C(2), and one N(1) atom. The C(1)-C(10) bond length is 1.54 Å. The C(1)-C(2) bond length is 1.28 Å. The C(1)-N(1) bond length is 1.40 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(11), and one C(3) atom. The C(2)-C(11) bond length is 1.53 Å. The C(2)-C(3) bond length is 1.41 Å. In the third C site, C(3) is bonded in a distorted trigonal planar geometry to one C(2), one C(4), and one N(2) atom. The C(3)-C(4) bond length is 1.44 Å. The C(3)-N(2) bond length is 1.47 Å. In the fourth C site, C(4) is bonded in a water-like geometry to one C(3) and one C(5) atom. The C(4)-C(5) bond length is 1.40 Å. In the fifth C site, C(5) is bonded in a water-like geometry to one C(4) and one C(6) atom. The C(5)-C(6) bond length is 1.46 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(5), one C(7), and one N(2) atom. The C(6)-C(7) bond length is 1.51 Å. The C(6)-N(2) bond length is 1.34 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one C(16), one C(6), and one C(8) atom. The C(7)-C(16) bond length is 1.55 Å. The C(7)-C(8) bond length is 1.34 Å. In the eighth C site, C(8) is bonded in a distorted trigonal planar geometry to one C(7), one C(9), and one N(1) atom. The C(8)-C(9) bond length is 1.48 Å. The C(8)-N(1) bond length is 1.33 Å. In the ninth C site, C(9) is bonded in a water-like geometry to one C(10) and one C(8) atom. The C(9)-C(10) bond length is 1.23 Å. In the tenth C site, C(10) is bonded in a water-like geometry to one C(1) and one C(9) atom. In the eleventh C site, C(11) is bonded in a trigonal planar geometry to one C(12), one C(15), and one C(2) atom. The C(11)-C(12) bond length is 1.30 Å. The C(11)-C(15) bond length is 1.56 Å. In the twelfth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one C(11) and one C(13) atom. The C(12)-C(13) bond length is 1.45 Å. In the thirteenth C site, C(13) is bonded in a distorted single-bond geometry to one C(12) and one N(3) atom. The C(13)-N(3) bond length is 1.46 Å. In the fourteenth C site, C(14) is bonded in a distorted single-bond geometry to one C(15) and one N(3) atom. The C(14)-C(15) bond length is 1.37 Å. The C(14)-N(3) bond length is 1.29 Å. In the fifteenth C site, C(15) is bonded in a water-like geometry to one C(11) and one C(14) atom. In the sixteenth C site, C(16) is bonded in a distorted trigonal planar geometry to one C(17), one C(20), and one C(7) atom. The C(16)-C(17) bond length is 1.29 Å. The C(16)-C(20) bond length is 1.32 Å. In the seventeenth C site, C(17) is bonded in a distorted bent 120 degrees geometry to one C(16) and one C(18) atom. The C(17)-C(18) bond length is 1.39 Å. In the eighteenth C site, C(18) is bonded in a distorted bent 120 degrees geometry to one C(17) and one N(4) atom. The C(18)-N(4) bond length is 1.43 Å. In the nineteenth C site, C(19) is bonded in a bent 120 degrees geometry to one C(20) and one N(4) atom. The C(19)-C(20) bond length is 1.46 Å. The C(19)-N(4) bond length is 1.33 Å. In the twentieth C site, C(20) is bonded in a bent 120 degrees geometry to one C(16) and one C(19) atom. There are four 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(8) atom. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one Pd(1), one C(3), and one C(6) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one Cd(1), one C(13), and one C(14) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one Cd(2), one C(18), and one C(19) atom. Linkers: 7 N1=[C][C]=C([C]=[C]1)C1=C2[C]=[C]C3=C(C4=[C][C]=N[C]=[C]4)C4=[N]5[Pd@@]6(N23)[N]2=C1[C]=[C]C2=C(C1=[C][C]=C(N61)C(=C5[C]=[C]4)C1=[C][C]=N[C]=[C]1)C1=[C][C]=N[C]=[C]1 ,2 [C]/[C]=[C]/C1=C2[C]=[C]C3=C(C4=[C][C]=N[C]=[C]4)C4=[N]5[Pd@@]6(N23)[N]2=C1[C]=[C]C2=C(C1=[C][C]=C(N61)C(=C5[C]=[C]4)C1=[C][C]=N[C]=[C]1)C1=[C][C]=N[C]=[C]1 ,2 [C]/[C]=[C]/C1=C2[C]=[C]C3=[N]2[Pd@@]24N5C1=[C][C]=C5C(=C1[N]4=C(C(=C4N2C(=C3C2=[C][C]=N[C]=[C]2)[C]=[C]4)C2=[C][C]=N[C]=[C]2)[C]=[C]1)C1=[C][C]=N[C]=[C]1. Metal clusters: 8 [Cd]. The MOF has largest included sphere 5.30 A, density 1.24 g/cm3, surface area 3577.99 m2/g, accessible volume 0.42 cm3/g