Ag2H18(C8N3)3(C4NH2)3 is Indium-derived structured and crystallizes in the monoclinic C2/c space group. The structure is zero-dimensional and consists of eight Ag2H18(C8N3)3 clusters and eight C4NH2 clusters. In each Ag2H18(C8N3)3 cluster, there are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a trigonal planar geometry to one N(1), one N(2), and one N(9) atom. The Ag(1)-N(1) bond length is 2.26 Å. The Ag(1)-N(2) bond length is 2.30 Å. The Ag(1)-N(9) bond length is 2.29 Å. In the second Ag site, Ag(2) is bonded in a distorted trigonal planar geometry to one N(3), one N(7), and one N(8) atom. The Ag(2)-N(3) bond length is 2.30 Å. The Ag(2)-N(7) bond length is 2.34 Å. The Ag(2)-N(8) bond length is 2.26 Å. There are twenty-four inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(6), one N(4), and one N(5) atom. The C(1)-C(6) bond length is 1.49 Å. The C(1)-N(4) bond length is 1.34 Å. The C(1)-N(5) bond length is 1.33 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(21), one C(6), and one H(1) atom. The C(2)-C(21) bond length is 1.39 Å. The C(2)-C(6) bond length is 1.38 Å. The C(2)-H(1) bond length is 0.93 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one N(7) and one H(2,18) atom. The C(3)-N(7) bond length is 1.34 Å. The C(3)-H(2,18) bond length is 0.93 Å. In the fourth C site, C(6) is bonded in a trigonal planar geometry to one C(1), one C(13), and one C(2) atom. The C(6)-C(13) bond length is 1.39 Å. In the fifth C site, C(7) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(4) atom. The C(7)-N(2) bond length is 1.34 Å. The C(7)-H(4) bond length is 0.93 Å. In the sixth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one N(8) and one H(6,15) atom. The C(9)-N(8) bond length is 1.34 Å. The C(9)-H(6,15) bond length is 0.93 Å. In the seventh C site, C(10) is bonded in a distorted trigonal planar geometry to one C(15), one N(4), and one N(6) atom. The C(10)-C(15) bond length is 1.49 Å. The C(10)-N(4) bond length is 1.34 Å. The C(10)-N(6) bond length is 1.33 Å. In the eighth C site, C(11) is bonded in a distorted single-bond geometry to one C(23) and one H(7) atom. The C(11)-C(23) bond length is 1.39 Å. The C(11)-H(7) bond length is 0.93 Å. In the ninth C site, C(13) is bonded in a distorted single-bond geometry to one C(14), one C(6), and one H(8) atom. The C(13)-C(14) bond length is 1.37 Å. The C(13)-H(8) bond length is 0.93 Å. In the tenth C site, C(14) is bonded in a distorted trigonal planar geometry to one C(13), one N(1), and one H(9) atom. The C(14)-N(1) bond length is 1.34 Å. The C(14)-H(9) bond length is 0.93 Å. In the eleventh C site, C(15) is bonded in a trigonal planar geometry to one C(10), one C(32), and one C(34) atom. The C(15)-C(32) bond length is 1.39 Å. The C(15)-C(34) bond length is 1.38 Å. In the twelfth C site, C(20) is bonded in a distorted trigonal planar geometry to one C(23), one N(5), and one N(6) atom. The C(20)-C(23) bond length is 1.49 Å. The C(20)-N(5) bond length is 1.34 Å. The C(20)-N(6) bond length is 1.34 Å. In the thirteenth C site, C(21) is bonded in a distorted trigonal planar geometry to one C(2), one N(1), and one H(11) atom. The C(21)-N(1) bond length is 1.33 Å. The C(21)-H(11) bond length is 0.93 Å. In the fourteenth C site, C(22) is bonded in a distorted bent 120 degrees geometry to one N(9) and one H(12) atom. The C(22)-N(9) bond length is 1.34 Å. The C(22)-H(12) bond length is 0.93 Å. In the fifteenth C site, C(23) is bonded in a trigonal planar geometry to one C(11), one C(20), and one C(25) atom. The C(23)-C(25) bond length is 1.39 Å. In the sixteenth C site, C(24) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(13) atom. The C(24)-N(2) bond length is 1.33 Å. The C(24)-H(13) bond length is 0.93 Å. In the seventeenth C site, C(25) is bonded in a distorted single-bond geometry to one C(23) and one H(14) atom. The C(25)-H(14) bond length is 0.93 Å. In the eighteenth C site, C(27) is bonded in a distorted bent 120 degrees geometry to one N(8) and one H(6,15) atom. The C(27)-N(8) bond length is 1.34 Å. The C(27)-H(6,15) bond length is 0.93 Å. In the nineteenth C site, C(30) is bonded in a distorted bent 120 degrees geometry to one N(7) and one H(2,18) atom. The C(30)-N(7) bond length is 1.35 Å. The C(30)-H(2,18) bond length is 0.93 Å. In the twentieth C site, C(31) is bonded in a distorted bent 120 degrees geometry to one N(9) and one H(19) atom. The C(31)-N(9) bond length is 1.35 Å. The C(31)-H(19) bond length is 0.93 Å. In the twenty-first C site, C(32) is bonded in a distorted single-bond geometry to one C(15), one C(33), and one H(20) atom. The C(32)-C(33) bond length is 1.38 Å. The C(32)-H(20) bond length is 0.93 Å. In the twenty-second C site, C(33) is bonded in a distorted bent 120 degrees geometry to one C(32), one N(3), and one H(21) atom. The C(33)-N(3) bond length is 1.34 Å. The C(33)-H(21) bond length is 0.93 Å. In the twenty-third C site, C(34) is bonded in a distorted single-bond geometry to one C(15) and one H(22) atom. The C(34)-H(22) bond length is 0.93 Å. In the twenty-fourth C site, C(36) is bonded in a distorted bent 120 degrees geometry to one N(3) and one H(24) atom. The C(36)-N(3) bond length is 1.34 Å. The C(36)-H(24) bond length is 0.93 Å. There are nine inequivalent N sites. In the first N site, N(3) is bonded in a trigonal planar geometry to one Ag(2), one C(33), and one C(36) atom. In the second N site, N(1) is bonded in a trigonal planar geometry to one Ag(1), one C(14), and one C(21) atom. In the third N site, N(6) is bonded in a bent 120 degrees geometry to one C(10) and one C(20) atom. In the fourth N site, N(7) is bonded in a distorted trigonal planar geometry to one Ag(2), one C(3), and one C(30) atom. In the fifth N site, N(8) is bonded in a trigonal planar geometry to one Ag(2), one C(27), and one C(9) atom. In the sixth N site, N(9) is bonded in a distorted trigonal planar geometry to one Ag(1), one C(22), and one C(31) atom. In the seventh N site, N(2) is bonded in a trigonal planar geometry to one Ag(1), one C(24), and one C(7) atom. In the eighth N site, N(4) is bonded in a bent 120 degrees geometry to one C(1) and one C(10) atom. In the ninth N site, N(5) is bonded in a bent 120 degrees geometry to one C(1) and one C(20) atom. There are sixteen 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(2,18) is bonded in a single-bond geometry to one C(3) atom. In the third H site, H(4) is bonded in a single-bond geometry to one C(7) atom. In the fourth H site, H(6,15) is bonded in a single-bond geometry to one C(9) atom. In the fifth H site, H(7) is bonded in a single-bond geometry to one C(11) 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(9) is bonded in a single-bond geometry to one C(14) atom. In the eighth H site, H(11) is bonded in a single-bond geometry to one C(21) atom. In the ninth H site, H(12) is bonded in a single-bond geometry to one C(22) atom. In the tenth H site, H(13) is bonded in a single-bond geometry to one C(24) atom. In the eleventh H site, H(14) is bonded in a single-bond geometry to one C(25) atom. In the twelfth H site, H(19) is bonded in a single-bond geometry to one C(31) atom. In the thirteenth H site, H(20) is bonded in a single-bond geometry to one C(32) atom. In the fourteenth H site, H(21) is bonded in a single-bond geometry to one C(33) atom. In the fifteenth H site, H(22) is bonded in a single-bond geometry to one C(34) atom. In the sixteenth H site, H(24) is bonded in a single-bond geometry to one C(36) atom. In each C4NH2 cluster, there are twelve inequivalent C sites. In the first C site, C(4) is bonded in a distorted trigonal planar geometry to one C(12), one N(10), and one N(11) atom. The C(4)-C(12) bond length is 1.49 Å. The C(4)-N(10) bond length is 1.35 Å. The C(4)-N(11) bond length is 1.32 Å. In the second C site, C(5) is bonded in a distorted single-bond geometry to one C(17) and one H(3) atom. The C(5)-C(17) bond length is 1.40 Å. The C(5)-H(3) bond length is 0.93 Å. In the third C site, C(8) is bonded in a distorted single-bond geometry to one C(12) and one H(5) atom. The C(8)-C(12) bond length is 1.39 Å. The C(8)-H(5) bond length is 0.93 Å. In the fourth C site, C(12) is bonded in a trigonal planar geometry to one C(29), one C(4), and one C(8) atom. The C(12)-C(29) bond length is 1.38 Å. In the fifth C site, C(16) is bonded in a distorted bent 120 degrees geometry to one C(17), one N(11), and one N(12) atom. The C(16)-C(17) bond length is 1.49 Å. The C(16)-N(11) bond length is 1.34 Å. The C(16)-N(12) bond length is 1.34 Å. In the sixth C site, C(17) is bonded in a trigonal planar geometry to one C(16), one C(28), and one C(5) atom. The C(17)-C(28) bond length is 1.38 Å. In the seventh C site, C(18) is bonded in a distorted trigonal planar geometry to one C(26), one N(10), and one N(12) atom. The C(18)-C(26) bond length is 1.49 Å. The C(18)-N(10) bond length is 1.34 Å. The C(18)-N(12) bond length is 1.34 Å. In the eighth C site, C(19) is bonded in a distorted single-bond geometry to one C(26) and one H(10) atom. The C(19)-C(26) bond length is 1.38 Å. The C(19)-H(10) bond length is 0.93 Å. In the ninth C site, C(26) is bonded in a trigonal planar geometry to one C(18), one C(19), and one C(35) atom. The C(26)-C(35) bond length is 1.39 Å. In the tenth C site, C(28) is bonded in a distorted single-bond geometry to one C(17) and one H(16) atom. The C(28)-H(16) bond length is 0.93 Å. In the eleventh C site, C(29) is bonded in a distorted single-bond geometry to one C(12) and one H(17) atom. The C(29)-H(17) bond length is 0.93 Å. In the twelfth C site, C(35) is bonded in a distorted single-bond geometry to one C(26) and one H(23) atom. The C(35)-H(23) bond length is 0.93 Å. There are three inequivalent N sites. In the first N site, N(10) is bonded in a bent 120 degrees geometry to one C(18) and one C(4) atom. In the second N site, N(11) is bonded in a bent 120 degrees geometry to one C(16) and one C(4) atom. In the third N site, N(12) is bonded in a bent 120 degrees geometry to one C(16) and one C(18) atom. There are six inequivalent H sites. In the first H site, H(3) is bonded in a single-bond geometry to one C(5) atom. In the second H site, H(5) is bonded in a single-bond geometry to one C(8) atom. In the third H site, H(10) is bonded in a single-bond geometry to one C(19) atom. In the fourth H site, H(16) is bonded in a single-bond geometry to one C(28) atom. In the fifth H site, H(17) is bonded in a single-bond geometry to one C(29) atom. In the sixth H site, H(23) is bonded in a single-bond geometry to one C(35) atom. Linkers: 16 n1ccc(cc1)C1=NC(=[N]=C([N]1)c1ccncc1)c1ccncc1. Metal clusters: 16 [Ag]. The MOF has largest included sphere 7.03 A, density 1.33 g/cm3, surface area 4002.14 m2/g, accessible volume 0.30 cm3/g