Ag2C2N6H2O13 crystallizes in the orthorhombic Pna2_1 space group. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 10-coordinate geometry to one O(1), one O(10), one O(11), one O(12), one O(2), one O(3), one O(4), one O(5), one O(7), and one O(9) atom. The Ag(1)-O(1) bond length is 2.56 Å. The Ag(1)-O(10) bond length is 2.67 Å. The Ag(1)-O(11) bond length is 2.50 Å. The Ag(1)-O(12) bond length is 2.88 Å. The Ag(1)-O(2) bond length is 2.64 Å. The Ag(1)-O(3) bond length is 2.61 Å. The Ag(1)-O(4) bond length is 2.69 Å. The Ag(1)-O(5) bond length is 2.62 Å. The Ag(1)-O(7) bond length is 2.84 Å. The Ag(1)-O(9) bond length is 2.84 Å. In the second Ag site, Ag(2) is bonded in a 4-coordinate geometry to one O(7), one O(9), and two equivalent O(13) atoms. The Ag(2)-O(7) bond length is 2.64 Å. The Ag(2)-O(9) bond length is 2.55 Å. There is one shorter (2.43 Å) and one longer (2.44 Å) Ag(2)-O(13) bond length. There are two inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one N(2), one N(4), and one N(6) atom. The C(1)-N(2) bond length is 1.41 Å. The C(1)-N(4) bond length is 1.41 Å. The C(1)-N(6) bond length is 1.41 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one N(1), one N(3), and one N(5) atom. The C(2)-N(1) bond length is 1.38 Å. The C(2)-N(3) bond length is 1.39 Å. The C(2)-N(5) bond length is 1.44 Å. There are six inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one C(2), one O(1), and one O(2) atom. The N(1)-O(1) bond length is 1.26 Å. The N(1)-O(2) bond length is 1.26 Å. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(1), one O(3), and one O(5) atom. The N(2)-O(3) bond length is 1.25 Å. The N(2)-O(5) bond length is 1.26 Å. In the third N site, N(3) is bonded in a trigonal planar geometry to one C(2), one O(11), and one O(4) atom. The N(3)-O(11) bond length is 1.27 Å. The N(3)-O(4) bond length is 1.25 Å. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one C(1), one O(7), and one O(9) atom. The N(4)-O(7) bond length is 1.25 Å. The N(4)-O(9) bond length is 1.26 Å. In the fifth N site, N(5) is bonded in a trigonal planar geometry to one C(2), one O(6), and one O(8) atom. The N(5)-O(6) bond length is 1.24 Å. The N(5)-O(8) bond length is 1.24 Å. In the sixth N site, N(6) is bonded in a trigonal planar geometry to one C(1), one O(10), and one O(12) atom. The N(6)-O(10) bond length is 1.26 Å. The N(6)-O(12) bond length is 1.25 Å. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(13) atom. The H(1)-O(13) bond length is 0.98 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(13) atom. The H(2)-O(13) bond length is 0.99 Å. There are thirteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted L-shaped geometry to one Ag(1) and one N(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Ag(1) and one N(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Ag(1) and one N(2) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one Ag(1) and one N(3) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Ag(1) and one N(2) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to one N(5) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one Ag(1), one Ag(2), and one N(4) atom. In the eighth O site, O(8) is bonded in a single-bond geometry to one N(5) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Ag(1), one Ag(2), and one N(4) atom. In the tenth O site, O(10) is bonded in a distorted single-bond geometry to one Ag(1) and one N(6) atom. In the eleventh O site, O(11) is bonded in a distorted water-like geometry to one Ag(1) and one N(3) atom. In the twelfth O site, O(12) is bonded in a single-bond geometry to one Ag(1) and one N(6) atom. In the thirteenth O site, O(13) is bonded in a water-like geometry to two equivalent Ag(2), one H(1), and one H(2) atom. Linkers: 8 O=[N+]([O-])[C]([N+](=O)[O-])[N+](=O)[O-]. Metal clusters: 8 [Ag]. The MOF has largest included sphere 1.77 A, density 2.99 g/cm3, surface area 2117.64 m2/g, accessible volume 0.03 cm3/g