AgC5N5H7O2 crystallizes in the monoclinic P2_1/c space group. Ag(1) is bonded in a 5-coordinate geometry to one N(1), one N(2), one O(1), and two equivalent O(2) atoms. The Ag(1)-N(1) bond length is 2.30 Å. The Ag(1)-N(2) bond length is 2.26 Å. The Ag(1)-O(1) bond length is 2.62 Å. There is one shorter (2.40 Å) and one longer (2.63 Å) Ag(1)-O(2) bond length. There are five inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one N(1), one N(2), and one N(4) atom. The C(1)-N(1) bond length is 1.36 Å. The C(1)-N(2) bond length is 1.35 Å. The C(1)-N(4) bond length is 1.34 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one N(2), one N(3), and one N(5) atom. The C(2)-N(2) bond length is 1.36 Å. The C(2)-N(3) bond length is 1.36 Å. The C(2)-N(5) bond length is 1.33 Å. In the third C site, C(3) is bonded in a distorted trigonal planar geometry to one C(4), one N(1), and one N(3) atom. The C(3)-C(4) bond length is 1.49 Å. The C(3)-N(1) bond length is 1.34 Å. The C(3)-N(3) bond length is 1.33 Å. In the fourth C site, C(4) is bonded in a distorted trigonal non-coplanar geometry to one C(3), one H(5), one H(6), and one H(7) atom. The C(4)-H(5) bond length is 1.09 Å. The C(4)-H(6) bond length is 1.10 Å. The C(4)-H(7) bond length is 1.10 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(2) atom. The C(5)-O(1) bond length is 1.26 Å. The C(5)-O(2) bond length is 1.28 Å. There are five inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Ag(1), one C(1), and one C(3) atom. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one Ag(1), one C(1), and one C(2) atom. In the third N site, N(3) is bonded in a bent 120 degrees geometry to one C(2) 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(1), and one H(2) atom. The N(4)-H(1) bond length is 1.02 Å. The N(4)-H(2) bond length is 1.02 Å. In the fifth N site, N(5) is bonded in a trigonal planar geometry to one C(2), one H(3), and one H(4) atom. The N(5)-H(3) bond length is 1.04 Å. The N(5)-H(4) bond length is 1.03 Å. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one N(4) atom. In the second H site, H(2) is bonded in a single-bond geometry to one N(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one N(5) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one N(5) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(4) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(4) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(4) atom. There are two inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one Ag(1) and one C(5) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to two equivalent Ag(1) and one C(5) atom. Linkers: 1 NC1=NC(=[N]=C([N]1)C)N ,3 CC1=NC(=[N]=C([N]1)N)N ,1 [O]C(=O)C([O])=O. Metal clusters: 4 [Ag]. The MOF has largest included sphere 1.74 A, density 2.39 g/cm3, surface area 2900.25 m2/g, accessible volume 0.07 cm3/g