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(8) atom. The Ag(1)-N(1) bond length is 2.31 Å. The Ag(1)-N(2) bond length is 2.27 Å. The Ag(1)-N(8) bond length is 2.30 Å. In the second Ag site, Ag(2) is bonded in a trigonal planar geometry to one N(3), one N(7), and one N(9) atom. The Ag(2)-N(3) bond length is 2.31 Å. The Ag(2)-N(7) bond length is 2.33 Å. The Ag(2)-N(9) bond length is 2.27 Å. There are twenty-four inequivalent C sites. In the first C site, C(2) is bonded in a distorted bent 120 degrees geometry to one N(9) and one H(1) atom. The C(2)-N(9) bond length is 1.34 Å. The C(2)-H(1) bond length is 0.93 Å. In the second C site, C(3) is bonded in a distorted trigonal planar geometry to one C(8), one N(4), and one N(5) atom. The C(3)-C(8) bond length is 1.49 Å. The C(3)-N(4) bond length is 1.34 Å. The C(3)-N(5) bond length is 1.33 Å. In the third C site, C(4) is bonded in a distorted single-bond geometry to one C(26), one C(8), and one H(2) atom. The C(4)-C(26) bond length is 1.39 Å. The C(4)-C(8) bond length is 1.38 Å. The C(4)-H(2) bond length is 0.93 Å. In the fourth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(3) atom. The C(5)-N(1) bond length is 1.34 Å. The C(5)-H(3) bond length is 0.93 Å. In the fifth C site, C(8) is bonded in a trigonal planar geometry to one C(10), one C(3), and one C(4) atom. The C(8)-C(10) bond length is 1.38 Å. In the sixth C site, C(10) is bonded in a distorted single-bond geometry to one C(19), one C(8), and one H(6) atom. The C(10)-C(19) bond length is 1.37 Å. The C(10)-H(6) bond length is 0.93 Å. In the seventh C site, C(11) is bonded in a trigonal planar geometry to one C(12), one C(27), and one C(34) atom. The C(11)-C(12) bond length is 1.48 Å. The C(11)-C(27) bond length is 1.38 Å. The C(11)-C(34) bond length is 1.38 Å. In the eighth C site, C(12) is bonded in a distorted trigonal planar geometry to one C(11), one N(5), and one N(6) atom. The C(12)-N(5) bond length is 1.34 Å. The C(12)-N(6) bond length is 1.33 Å. In the ninth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one N(7) and one H(7) atom. The C(13)-N(7) bond length is 1.34 Å. The C(13)-H(7) bond length is 0.93 Å. In the tenth C site, C(14) is bonded in a distorted single-bond geometry to one C(31) and one H(8) atom. The C(14)-C(31) bond length is 1.39 Å. The C(14)-H(8) bond length is 0.93 Å. In the eleventh C site, C(17) is bonded in a distorted single-bond geometry to one C(31) and one H(9,20) atom. The C(17)-C(31) bond length is 1.40 Å. The C(17)-H(9,20) bond length is 0.93 Å. In the twelfth C site, C(19) is bonded in a distorted trigonal planar geometry to one C(10), one N(2), and one H(11) atom. The C(19)-N(2) bond length is 1.33 Å. The C(19)-H(11) bond length is 0.93 Å. In the thirteenth C site, C(20) is bonded in a distorted trigonal planar geometry to one C(31), one N(4), and one N(6) atom. The C(20)-C(31) bond length is 1.49 Å. The C(20)-N(4) bond length is 1.33 Å. The C(20)-N(6) bond length is 1.34 Å. In the fourteenth C site, C(23) is bonded in a distorted bent 120 degrees geometry to one N(8) and one H(13) atom. The C(23)-N(8) bond length is 1.34 Å. The C(23)-H(13) bond length is 0.93 Å. In the fifteenth C site, C(24) is bonded in a distorted bent 120 degrees geometry to one N(8) and one H(14) atom. The C(24)-N(8) bond length is 1.33 Å. The C(24)-H(14) bond length is 0.93 Å. In the sixteenth C site, C(26) is bonded in a distorted trigonal planar geometry to one C(4), one N(2), and one H(16) atom. The C(26)-N(2) bond length is 1.33 Å. The C(26)-H(16) bond length is 0.93 Å. In the seventeenth C site, C(27) is bonded in a distorted single-bond geometry to one C(11), one C(29), and one H(17) atom. The C(27)-C(29) bond length is 1.38 Å. The C(27)-H(17) bond length is 0.93 Å. In the eighteenth C site, C(28) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(18) atom. The C(28)-N(1) bond length is 1.33 Å. The C(28)-H(18) bond length is 0.93 Å. In the nineteenth C site, C(29) is bonded in a distorted trigonal planar geometry to one C(27), one N(3), and one H(19) atom. The C(29)-N(3) bond length is 1.35 Å. The C(29)-H(19) bond length is 0.93 Å. In the twentieth C site, C(31) is bonded in a trigonal planar geometry to one C(14), one C(17), and one C(20) atom. In the twenty-first C site, C(33) is bonded in a distorted bent 120 degrees geometry to one N(9) and one H(21) atom. The C(33)-N(9) bond length is 1.33 Å. The C(33)-H(21) bond length is 0.93 Å. In the twenty-second C site, C(34) is bonded in a distorted single-bond geometry to one C(11) and one H(22) atom. The C(34)-H(22) bond length is 0.93 Å. In the twenty-third C site, C(35) is bonded in a distorted bent 120 degrees geometry to one N(3) and one H(23) atom. The C(35)-N(3) bond length is 1.33 Å. The C(35)-H(23) 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(7) and one H(24) atom. The C(36)-N(7) 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(29), and one C(35) atom. In the second N site, N(6) is bonded in a bent 120 degrees geometry to one C(12) and one C(20) atom. In the third N site, N(7) is bonded in a distorted trigonal planar geometry to one Ag(2), one C(13), and one C(36) atom. In the fourth N site, N(8) is bonded in a distorted trigonal planar geometry to one Ag(1), one C(23), and one C(24) atom. In the fifth N site, N(9) is bonded in a trigonal planar geometry to one Ag(2), one C(2), and one C(33) atom. In the sixth N site, N(1) is bonded in a trigonal planar geometry to one Ag(1), one C(28), and one C(5) atom. In the seventh N site, N(2) is bonded in a trigonal planar geometry to one Ag(1), one C(19), and one C(26) atom. In the eighth N site, N(4) is bonded in a bent 120 degrees geometry to one C(20) and one C(3) atom. In the ninth N site, N(5) is bonded in a bent 120 degrees geometry to one C(12) and one C(3) atom. There are eighteen 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(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(5) atom. In the fourth H site, H(6) is bonded in a single-bond geometry to one C(10) atom. In the fifth H site, H(7) is bonded in a single-bond geometry to one C(13) atom. In the sixth H site, H(8) is bonded in a single-bond geometry to one C(14) atom. In the seventh H site, H(9,20) is bonded in a single-bond geometry to one C(17) atom. In the eighth H site, H(11) is bonded in a single-bond geometry to one C(19) atom. In the ninth H site, H(13) is bonded in a single-bond geometry to one C(23) atom. In the tenth H site, H(14) is bonded in a single-bond geometry to one C(24) atom. In the eleventh H site, H(16) is bonded in a single-bond geometry to one C(26) atom. In the twelfth H site, H(17) is bonded in a single-bond geometry to one C(27) atom. In the thirteenth H site, H(18) is bonded in a single-bond geometry to one C(28) atom. In the fourteenth H site, H(19) is bonded in a single-bond geometry to one C(29) atom. In the fifteenth H site, H(21) is bonded in a single-bond geometry to one C(33) atom. In the sixteenth H site, H(22) is bonded in a single-bond geometry to one C(34) atom. In the seventeenth H site, H(23) is bonded in a single-bond geometry to one C(35) atom. In the eighteenth 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(1) is bonded in a distorted trigonal planar geometry to one C(15), one N(10), and one N(11) atom. The C(1)-C(15) bond length is 1.51 Å. The C(1)-N(10) bond length is 1.31 Å. The C(1)-N(11) bond length is 1.34 Å. In the second C site, C(6) is bonded in a distorted bent 120 degrees geometry to one C(30), one N(10), and one N(12) atom. The C(6)-C(30) bond length is 1.49 Å. The C(6)-N(10) bond length is 1.35 Å. The C(6)-N(12) bond length is 1.33 Å. In the third C site, C(7) is bonded in a distorted single-bond geometry to one C(30) and one H(4) atom. The C(7)-C(30) bond length is 1.40 Å. The C(7)-H(4) bond length is 0.93 Å. In the fourth C site, C(9) is bonded in a distorted single-bond geometry to one C(15) and one H(5) atom. The C(9)-C(15) bond length is 1.38 Å. The C(9)-H(5) bond length is 0.93 Å. In the fifth C site, C(15) is bonded in a trigonal planar geometry to one C(1), one C(32), and one C(9) atom. The C(15)-C(32) bond length is 1.38 Å. In the sixth C site, C(16) is bonded in a trigonal planar geometry to one C(18), one C(22), and one C(25) atom. The C(16)-C(18) bond length is 1.38 Å. The C(16)-C(22) bond length is 1.49 Å. The C(16)-C(25) bond length is 1.38 Å. In the seventh C site, C(18) is bonded in a distorted single-bond geometry to one C(16) and one H(10) atom. The C(18)-H(10) bond length is 0.93 Å. In the eighth C site, C(21) is bonded in a distorted single-bond geometry to one C(30) and one H(12) atom. The C(21)-C(30) bond length is 1.38 Å. The C(21)-H(12) bond length is 0.93 Å. In the ninth C site, C(22) is bonded in a distorted bent 120 degrees geometry to one C(16), one N(11), and one N(12) atom. The C(22)-N(11) bond length is 1.33 Å. The C(22)-N(12) bond length is 1.33 Å. In the tenth C site, C(25) is bonded in a distorted single-bond geometry to one C(16) and one H(15) atom. The C(25)-H(15) bond length is 0.93 Å. In the eleventh C site, C(30) is bonded in a trigonal planar geometry to one C(21), one C(6), and one C(7) atom. In the twelfth C site, C(32) is bonded in a distorted single-bond geometry to one C(15) and one H(9,20) atom. The C(32)-H(9,20) 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(1) and one C(6) atom. In the second N site, N(11) is bonded in a bent 120 degrees geometry to one C(1) and one C(22) atom. In the third N site, N(12) is bonded in a bent 120 degrees geometry to one C(22) and one C(6) atom. There are six inequivalent H sites. In the first H site, H(4) is bonded in a single-bond geometry to one C(7) atom. In the second H site, H(5) is bonded in a single-bond geometry to one C(9) atom. In the third H site, H(9,20) is bonded in a single-bond geometry to one C(17) atom. In the fourth H site, H(10) is bonded in a single-bond geometry to one C(18) atom. In the fifth H site, H(12) is bonded in a single-bond geometry to one C(21) atom. In the sixth H site, H(15) is bonded in a single-bond geometry to one C(25) atom. Linkers: 1 n1ccc(cc1)C1=NC(=[N]=C([N]1)C1=C[CH]N(C=C1)[Ag](N1[CH]C=C(C=C1)C1=NC(=[N]=C([N]1)c1ccncc1)c1ccncc1)N1[CH]C=C(C=C1)C1=NC(=[N]=C([N]1)c1ccncc1)c1ccncc1)c1ccncc1 ,1 n1ccc(cc1)C1=NC(=[N]=C([N]1)c1ccncc1)C1=C[CH]N(C=C1)[Ag](N1[CH]C=C(C=C1)C1=[N]=C(N=C([N]1)c1ccncc1)c1ccncc1)N1[CH]C=C(C=C1)C1=NC(=[N]=C([N]1)c1ccncc1)c1ccncc1 ,2 n1ccc(cc1)C1=NC(=[N]=C([N]1)c1ccncc1)c1ccncc1. Metal clusters: 6 [Ag]. The MOF has largest included sphere 7.04 A, density 1.32 g/cm3, surface area 4033.25 m2/g, accessible volume 0.35 cm3/g