AgC12N11H6O5 crystallizes in the triclinic P-1 space group. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a distorted tetrahedral geometry to one N(11), one N(14), one N(21), and one N(5) atom. The Ag(1)-N(11) bond length is 2.42 Å. The Ag(1)-N(14) bond length is 2.29 Å. The Ag(1)-N(21) bond length is 2.27 Å. The Ag(1)-N(5) bond length is 2.32 Å. In the second Ag site, Ag(2) is bonded in a distorted tetrahedral geometry to one N(12), one N(13), one N(22), and one N(6) atom. The Ag(2)-N(12) bond length is 2.43 Å. The Ag(2)-N(13) bond length is 2.29 Å. The Ag(2)-N(22) bond length is 2.27 Å. The Ag(2)-N(6) bond length is 2.32 Å. There are nineteen inequivalent C sites. In the first C site, C(1,2) is bonded in a distorted single-bond geometry to one C(11,12); one C(3,4); and one O(1,2) atom. The C(1,2)-C(11,12) bond length is 1.45 Å. The C(1,2)-C(3,4) bond length is 1.46 Å. The C(1,2)-O(1,2) bond length is 1.26 Å. In the second C site, C(3,4) is bonded in a distorted trigonal planar geometry to one C(1,2); one C(5); and one N(1,2) atom. The C(3,4)-C(5) bond length is 1.39 Å. The C(3,4)-N(1,2) bond length is 1.41 Å. In the third C site, C(5) is bonded in a distorted trigonal planar geometry to one C(3,4); one C(7); and one N(7,8) atom. The C(5)-C(7) bond length is 1.40 Å. The C(5)-N(7,8) bond length is 1.49 Å. In the fourth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(3,4); one C(8); and one N(7,8) atom. The C(6)-C(3,4) bond length is 1.39 Å. The C(6)-C(8) bond length is 1.40 Å. The C(6)-N(7,8) bond length is 1.49 Å. In the fifth C site, C(7) is bonded in a distorted trigonal planar geometry to one C(5), one C(9), and one N(9) atom. The C(7)-C(9) bond length is 1.40 Å. The C(7)-N(9) bond length is 1.41 Å. In the sixth C site, C(8) is bonded in a distorted trigonal planar geometry to one C(10), one C(6), and one N(10) atom. The C(8)-C(10) bond length is 1.40 Å. The C(8)-N(10) bond length is 1.41 Å. In the seventh C site, C(9) is bonded in a distorted trigonal planar geometry to one C(11,12); one C(7); and one N(15,16) atom. The C(9)-C(11,12) bond length is 1.39 Å. The C(9)-N(15,16) bond length is 1.47 Å. In the eighth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(11,12); one C(8); and one N(15,16) atom. The C(10)-C(11,12) bond length is 1.39 Å. The C(10)-N(15,16) bond length is 1.47 Å. In the ninth C site, C(11,12) is bonded in a distorted trigonal planar geometry to one C(1,2); one C(9); and one N(17) atom. The C(11,12)-N(17) bond length is 1.41 Å. In the tenth C site, C(13,14) is bonded in a trigonal planar geometry to one N(3,4); one N(5); and one H(1,2) atom. The C(13,14)-N(3,4) bond length is 1.32 Å. The C(13,14)-N(5) bond length is 1.37 Å. The C(13,14)-H(1,2) bond length is 1.08 Å. In the eleventh C site, C(15,16) is bonded in a trigonal planar geometry to one N(1,2); one N(5); and one H(3,4) atom. The C(15,16)-N(1,2) bond length is 1.36 Å. The C(15,16)-N(5) bond length is 1.33 Å. The C(15,16)-H(3,4) bond length is 1.08 Å. In the twelfth C site, C(17) is bonded in a trigonal planar geometry to one N(11), one N(13), and one H(5) atom. The C(17)-N(11) bond length is 1.33 Å. The C(17)-N(13) bond length is 1.36 Å. The C(17)-H(5) bond length is 1.08 Å. In the thirteenth C site, C(18) is bonded in a trigonal planar geometry to one N(12), one N(14), and one H(6) atom. The C(18)-N(12) bond length is 1.33 Å. The C(18)-N(14) bond length is 1.36 Å. The C(18)-H(6) bond length is 1.08 Å. In the fourteenth C site, C(19) is bonded in a trigonal planar geometry to one N(13), one N(9), and one H(7) atom. The C(19)-N(13) bond length is 1.33 Å. The C(19)-N(9) bond length is 1.35 Å. The C(19)-H(7) bond length is 1.09 Å. In the fifteenth C site, C(20) is bonded in a trigonal planar geometry to one N(10), one N(14), and one H(8) atom. The C(20)-N(10) bond length is 1.35 Å. The C(20)-N(14) bond length is 1.33 Å. The C(20)-H(8) bond length is 1.09 Å. In the sixteenth C site, C(21) is bonded in a trigonal planar geometry to one N(19), one N(21), and one H(9) atom. The C(21)-N(19) bond length is 1.32 Å. The C(21)-N(21) bond length is 1.37 Å. The C(21)-H(9) bond length is 1.08 Å. In the seventeenth C site, C(22) is bonded in a trigonal planar geometry to one N(20), one N(22), and one H(10) atom. The C(22)-N(20) bond length is 1.32 Å. The C(22)-N(22) bond length is 1.37 Å. The C(22)-H(10) bond length is 1.08 Å. In the eighteenth C site, C(23) is bonded in a trigonal planar geometry to one N(17), one N(21), and one H(11) atom. The C(23)-N(17) bond length is 1.35 Å. The C(23)-N(21) bond length is 1.33 Å. The C(23)-H(11) bond length is 1.08 Å. In the nineteenth C site, C(24) is bonded in a trigonal planar geometry to one N(18), one N(22), and one H(12) atom. The C(24)-N(18) bond length is 1.35 Å. The C(24)-N(22) bond length is 1.33 Å. The C(24)-H(12) bond length is 1.08 Å. There are eighteen inequivalent N sites. In the first N site, N(1,2) is bonded in a distorted trigonal planar geometry to one C(15,16); one C(3,4); and one N(3,4) atom. The N(1,2)-N(3,4) bond length is 1.37 Å. In the second N site, N(3,4) is bonded in a distorted water-like geometry to one C(13,14) and one N(1,2) atom. In the third N site, N(5) is bonded in a distorted trigonal planar geometry to one Ag(1); one C(13,14); and one C(15,16) atom. In the fourth N site, N(6) is bonded in a distorted trigonal planar geometry to one Ag(2); one C(13,14); and one C(15,16) atom. The N(6)-C(13,14) bond length is 1.37 Å. The N(6)-C(15,16) bond length is 1.33 Å. In the fifth N site, N(7,8) is bonded in a trigonal planar geometry to one C(5); one O(3,4); and one O(5,6) atom. The N(7,8)-O(3,4) bond length is 1.23 Å. The N(7,8)-O(5,6) bond length is 1.23 Å. In the sixth N site, N(9) is bonded in a distorted trigonal planar geometry to one C(19), one C(7), and one N(11) atom. The N(9)-N(11) bond length is 1.37 Å. In the seventh N site, N(10) is bonded in a distorted trigonal planar geometry to one C(20), one C(8), and one N(12) atom. The N(10)-N(12) bond length is 1.37 Å. In the eighth N site, N(11) is bonded in a distorted trigonal planar geometry to one Ag(1), one C(17), and one N(9) atom. In the ninth N site, N(12) is bonded in a distorted trigonal planar geometry to one Ag(2), one C(18), and one N(10) atom. In the tenth N site, N(13) is bonded in a distorted trigonal planar geometry to one Ag(2), one C(17), and one C(19) atom. In the eleventh N site, N(14) is bonded in a distorted trigonal planar geometry to one Ag(1), one C(18), and one C(20) atom. In the twelfth N site, N(15,16) is bonded in a trigonal planar geometry to one C(9); one O(7,8); and one O(9,10) atom. The N(15,16)-O(7,8) bond length is 1.24 Å. The N(15,16)-O(9,10) bond length is 1.24 Å. In the thirteenth N site, N(17) is bonded in a distorted trigonal planar geometry to one C(11,12); one C(23); and one N(19) atom. The N(17)-N(19) bond length is 1.37 Å. In the fourteenth N site, N(18) is bonded in a distorted trigonal planar geometry to one C(11,12); one C(24); and one N(20) atom. The N(18)-C(11,12) bond length is 1.41 Å. The N(18)-N(20) bond length is 1.37 Å. In the fifteenth N site, N(19) is bonded in a distorted water-like geometry to one C(21) and one N(17) atom. In the sixteenth N site, N(20) is bonded in a distorted water-like geometry to one C(22) and one N(18) atom. In the seventeenth N site, N(21) is bonded in a distorted trigonal planar geometry to one Ag(1), one C(21), and one C(23) atom. In the eighteenth N site, N(22) is bonded in a distorted trigonal planar geometry to one Ag(2), one C(22), and one C(24) atom. There are ten inequivalent H sites. In the first H site, H(1,2) is bonded in a single-bond geometry to one C(13,14) atom. In the second H site, H(3,4) is bonded in a single-bond geometry to one C(15,16) atom. In the third H site, H(5) is bonded in a single-bond geometry to one C(17) atom. In the fourth H site, H(6) is bonded in a single-bond geometry to one C(18) atom. In the fifth H site, H(7) is bonded in a single-bond geometry to one C(19) atom. In the sixth H site, H(8) is bonded in a single-bond geometry to one C(20) atom. In the seventh H site, H(9) is bonded in a single-bond geometry to one C(21) atom. In the eighth H site, H(10) is bonded in a single-bond geometry to one C(22) atom. In the ninth H site, H(11) is bonded in a single-bond geometry to one C(23) atom. In the tenth H site, H(12) is bonded in a single-bond geometry to one C(24) atom. There are five inequivalent O sites. In the first O site, O(5,6) is bonded in a single-bond geometry to one N(7,8) atom. In the second O site, O(7,8) is bonded in a single-bond geometry to one N(15,16) atom. In the third O site, O(9,10) is bonded in a single-bond geometry to one N(15,16) atom. In the fourth O site, O(1,2) is bonded in a single-bond geometry to one C(1,2) atom. In the fifth O site, O(3,4) is bonded in a single-bond geometry to one N(7,8) atom. Linkers: 1 O=C1C(n2cncn2)=C([N+](=O)[O-])[C](N2[CH]N=C[N]2)C([N+](=O)[O-])=C1n1cncn1 ,1 O=C1C(n2cncn2)=C([N+](=O)[O-])[C](n2cncn2)C([N+](=O)[O-])=C1n1cncn1 ,1 O=C1C(n2cn[c]n2)=C([N+](=O)[O-])[C](n2cncn2)C([N+](=O)[O-])=C1n1cncn1 ,1 O=C1[C](N2[CH]N=C[N]2)C([N+](=O)[O-])=C(n2cncn2)C([N+](=O)[O-])=C1n1cncn1 ,1 [CH]=N[C]1C(=O)C(n2cncn2)=C([N+](=O)[O-])C(n2cncn2)=C1N=O ,1 O=C1C(N2[CH]N=C[N]2)=C([N+](=O)[O-])[C](n2cncn2)C([N+](=O)[O-])=C1n1cncn1 ,1 O=C1C(N2[CH]N=C[N]2)=C([N+](=O)[O-])[C](n2cncn2)C([N+](=O)[O-])=C1n1cn[c]n1 ,1 [CH]=NC1=C(N=O)[C](n2cncn2)C([N+](=O)[O-])=C(n2cncn2)C1=O. Metal clusters: 4 [Ag]. The MOF has largest included sphere 4.64 A, density 1.77 g/cm3, surface area 3562.61 m2/g, accessible volume 0.16 cm3/g