Ag2C5N3H3O5 crystallizes in the monoclinic P2_1/c space group. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 5-coordinate geometry to one N(1), one O(2), one O(3), and two equivalent O(1) atoms. The Ag(1)-N(1) bond length is 2.21 Å. The Ag(1)-O(2) bond length is 2.56 Å. The Ag(1)-O(3) bond length is 2.69 Å. There is one shorter (2.23 Å) and one longer (2.58 Å) Ag(1)-O(1) bond length. In the second Ag site, Ag(2) is bonded in a 4-coordinate geometry to one N(3), one O(2), one O(3), and one O(4) atom. The Ag(2)-N(3) bond length is 2.38 Å. The Ag(2)-O(2) bond length is 2.53 Å. The Ag(2)-O(3) bond length is 2.36 Å. The Ag(2)-O(4) bond length is 2.43 Å. There are five inequivalent C sites. In the first C site, C(4) is bonded in a distorted trigonal planar geometry to one C(1), one N(3), and one H(2) atom. The C(4)-C(1) bond length is 1.39 Å. The C(4)-N(3) bond length is 1.34 Å. The C(4)-H(2) bond length is 1.08 Å. In the second C site, C(5) is bonded in a distorted trigonal planar geometry to one C(2), one N(3), and one H(3) atom. The C(5)-C(2) bond length is 1.40 Å. The C(5)-N(3) bond length is 1.34 Å. The C(5)-H(3) bond length is 1.09 Å. In the third C site, C(1) is bonded in a distorted trigonal planar geometry to one C(3), one C(4), and one N(1) atom. The C(1)-C(3) bond length is 1.51 Å. The C(1)-N(1) bond length is 1.35 Å. In the fourth C site, C(2) is bonded in a distorted trigonal planar geometry to one C(5), one N(1), and one H(1) atom. The C(2)-N(1) bond length is 1.35 Å. The C(2)-H(1) bond length is 1.09 Å. In the fifth C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(1), and one O(3) atom. The C(3)-O(1) bond length is 1.27 Å. The C(3)-O(3) bond length is 1.27 Å. There are three inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar 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 O(2), one O(4), and one O(5) atom. The N(2)-O(2) bond length is 1.27 Å. The N(2)-O(4) bond length is 1.28 Å. The N(2)-O(5) bond length is 1.26 Å. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one Ag(2), one C(4), and one C(5) atom. There are three 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. There are five inequivalent O sites. In the first O site, O(4) is bonded in a distorted water-like geometry to one Ag(2) and one N(2) atom. In the second O site, O(5) is bonded in a single-bond geometry to one N(2) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Ag(1), one Ag(2), and one C(3) atom. In the fourth O site, O(1) is bonded in a 3-coordinate geometry to two equivalent Ag(1) and one C(3) atom. In the fifth O site, O(2) is bonded in a distorted trigonal planar geometry to one Ag(1), one Ag(2), and one N(2) atom. Linkers: 4 [O]C(=O)c1cnccn1. Metal clusters: 8 [Ag]. The MOF has largest included sphere 1.35 A, density 3.24 g/cm3, surface area 2171.66 m2/g, accessible volume 0.03 cm3/g