AgC9N3H10O2 crystallizes in the trigonal R-3 space group. Ag(1) is bonded in a 4-coordinate geometry to one N(1), one N(3), and two equivalent O(1) atoms. The Ag(1)-N(1) bond length is 2.23 Å. The Ag(1)-N(3) bond length is 2.26 Å. There is one shorter (2.50 Å) and one longer (2.62 Å) Ag(1)-O(1) bond length. There are nine inequivalent C sites. In the first C site, C(1) is bonded in a distorted single-bond geometry to two equivalent C(7) and one H(1) atom. Both C(1)-C(7) bond lengths are 1.40 Å. The C(1)-H(1) bond length is 1.09 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(8), one C(9), and one H(2) atom. The C(2)-C(8) bond length is 1.40 Å. The C(2)-C(9) bond length is 1.39 Å. The C(2)-H(2) bond length is 1.09 Å. In the third C site, C(3) is bonded in a distorted trigonal non-coplanar geometry to one C(8), one H(3), one H(4), and one H(5) atom. The C(3)-C(8) bond length is 1.49 Å. The C(3)-H(3) bond length is 1.10 Å. The C(3)-H(4) bond length is 1.10 Å. The C(3)-H(5) bond length is 1.10 Å. In the fourth C site, C(4) is bonded in a distorted trigonal non-coplanar geometry to one C(9), one H(6), one H(7), and one H(8) atom. The C(4)-C(9) bond length is 1.49 Å. The C(4)-H(6) bond length is 1.10 Å. The C(4)-H(7) bond length is 1.10 Å. The C(4)-H(8) bond length is 1.10 Å. In the fifth C site, C(5) is bonded in a bent 120 degrees geometry to one C(7), one O(1), and one O(2) atom. The C(5)-C(7) bond length is 1.50 Å. The C(5)-O(1) bond length is 1.28 Å. The C(5)-O(2) bond length is 1.27 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one N(1), one N(2), and one N(3) atom. The C(6)-N(1) bond length is 1.36 Å. The C(6)-N(2) bond length is 1.34 Å. The C(6)-N(3) bond length is 1.36 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one C(5) and two equivalent C(1) atoms. In the eighth C site, C(8) is bonded in a distorted trigonal planar geometry to one C(2), one C(3), and one N(1) atom. The C(8)-N(1) bond length is 1.35 Å. In the ninth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(2), one C(4), and one N(3) atom. The C(9)-N(3) bond length is 1.35 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(6), and one C(8) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(6), one H(10), and one H(9) atom. The N(2)-H(10) bond length is 1.03 Å. The N(2)-H(9) bond length is 1.04 Å. In the third N site, N(3) is bonded in a trigonal planar geometry to one Ag(1), one C(6), and one C(9) atom. There are ten inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(3) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(3) 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. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(4) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one N(2) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one N(2) atom. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent Ag(1) and one C(5) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(5) atom. Linkers: 6 Cc1cc(C)nc(N)n1 ,2 [O]C(=O)c1cc(C([O])=O)cc(C([O])=O)c1. Metal clusters: 3 O=[C]O[Ag].O=[C]O[Ag]. The MOF has largest included sphere 3.43 A, density 2.02 g/cm3, surface area 3575.57 m2/g, accessible volume 0.12 cm3/g