AgC3N7H8O4 crystallizes in the monoclinic Cc space group. Ag(1) is bonded in a 4-coordinate geometry to one N(1), one N(2), one N(3), and one O(1) atom. The Ag(1)-N(1) bond length is 2.54 Å. The Ag(1)-N(2) bond length is 2.31 Å. The Ag(1)-N(3) bond length is 2.30 Å. The Ag(1)-O(1) bond length is 2.50 Å. There are three inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one N(1), one N(3), and one N(4) atom. The C(1)-N(1) bond length is 1.35 Å. The C(1)-N(3) bond length is 1.37 Å. The C(1)-N(4) bond length is 1.33 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one N(1), one N(2), and one N(5) atom. The C(2)-N(1) bond length is 1.35 Å. The C(2)-N(2) bond length is 1.36 Å. The C(2)-N(5) bond length is 1.34 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one N(2), one N(3), and one N(6) atom. The C(3)-N(2) bond length is 1.36 Å. The C(3)-N(3) bond length is 1.36 Å. The C(3)-N(6) bond length is 1.34 Å. There are seven inequivalent N sites. In the first N site, N(1) is bonded in a distorted bent 120 degrees geometry to one Ag(1), one C(1), and one C(2) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Ag(1), one C(2), and one C(3) atom. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one Ag(1), one C(1), and one C(3) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one C(1), one H(3), and one H(4) atom. The N(4)-H(3) bond length is 1.02 Å. The N(4)-H(4) bond length is 1.03 Å. In the fifth N site, N(5) is bonded in a trigonal planar geometry to one C(2), one H(5), and one H(6) atom. The N(5)-H(5) bond length is 1.02 Å. The N(5)-H(6) bond length is 1.01 Å. In the sixth N site, N(6) is bonded in a trigonal planar geometry to one C(3), one H(7), and one H(8) atom. The N(6)-H(7) bond length is 1.01 Å. The N(6)-H(8) bond length is 1.03 Å. In the seventh N site, N(7) is bonded in a trigonal planar geometry to one O(2), one O(3), and one O(4) atom. The N(7)-O(2) bond length is 1.28 Å. The N(7)-O(3) bond length is 1.26 Å. The N(7)-O(4) bond length is 1.26 Å. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(1) atom. The H(1)-O(1) bond length is 0.99 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(1) and one O(4) atom. The H(2)-O(1) bond length is 0.99 Å. The H(2)-O(4) bond length is 1.72 Å. In the third H site, H(3) is bonded in a single-bond geometry to one N(4) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one N(4) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one N(5) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one N(5) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one N(6) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one N(6) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one Ag(1), one H(1), and one H(2) atom. In the second O site, O(2) is bonded in a single-bond geometry to one N(7) atom. In the third O site, O(3) is bonded in a single-bond geometry to one N(7) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one N(7) and one H(2) atom. Linkers: 1 NC1=NC(=[N]=C([N]1)N)N. Metal clusters: 2 [Ag]. The MOF has largest included sphere 1.78 A, density 2.35 g/cm3, surface area 3177.34 m2/g, accessible volume 0.08 cm3/g