Ag2C5HO4 crystallizes in the orthorhombic Pna2_1 space group. There are four inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 3-coordinate geometry to one O(3), one O(4), and one O(8) atom. The Ag(1)-O(3) bond length is 2.25 Å. The Ag(1)-O(4) bond length is 2.24 Å. The Ag(1)-O(8) bond length is 2.53 Å. In the second Ag site, Ag(2) is bonded in a 6-coordinate geometry to one H(2), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. The Ag(2)-H(2) bond length is 2.46 Å. The Ag(2)-O(2) bond length is 2.72 Å. The Ag(2)-O(3) bond length is 2.53 Å. The Ag(2)-O(4) bond length is 2.64 Å. The Ag(2)-O(5) bond length is 2.31 Å. The Ag(2)-O(6) bond length is 2.24 Å. In the third Ag site, Ag(3) is bonded in a 3-coordinate geometry to one O(2), one O(5), and one O(8) atom. The Ag(3)-O(2) bond length is 2.23 Å. The Ag(3)-O(5) bond length is 2.54 Å. The Ag(3)-O(8) bond length is 2.22 Å. In the fourth Ag site, Ag(4) is bonded in a 2-coordinate geometry to one O(1) and one O(7) atom. The Ag(4)-O(1) bond length is 2.19 Å. The Ag(4)-O(7) bond length is 2.21 Å. There are ten inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(10), one C(2), and one C(6) atom. The C(1)-C(10) bond length is 1.50 Å. The C(1)-C(2) bond length is 1.40 Å. The C(1)-C(6) bond length is 1.41 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1) and one H(1) atom. The C(2)-H(1) bond length is 1.09 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(4) and one H(2) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-H(2) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(3), one C(5), and one C(7) atom. The C(4)-C(5) bond length is 1.41 Å. The C(4)-C(7) bond length is 1.50 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(4), one C(6), and one C(8) atom. The C(5)-C(6) bond length is 1.41 Å. The C(5)-C(8) bond length is 1.51 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(1), one C(5), and one C(9) atom. The C(6)-C(9) bond length is 1.51 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(1), and one O(2) atom. The C(7)-O(1) bond length is 1.27 Å. The C(7)-O(2) bond length is 1.28 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(3), and one O(4) atom. The C(8)-O(3) bond length is 1.27 Å. The C(8)-O(4) bond length is 1.28 Å. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(6), one O(5), and one O(6) atom. The C(9)-O(5) bond length is 1.27 Å. The C(9)-O(6) bond length is 1.27 Å. In the tenth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(7), and one O(8) atom. The C(10)-O(7) bond length is 1.27 Å. The C(10)-O(8) bond length is 1.28 Å. There are two 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 Ag(2) and one C(3) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Ag(4) and one C(7) atom. In the second O site, O(2) is bonded in a 2-coordinate geometry to one Ag(2), one Ag(3), and one C(7) 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(8) atom. In the fourth O site, O(4) is bonded in a 1-coordinate geometry to one Ag(1), one Ag(2), and one C(8) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Ag(2), one Ag(3), and one C(9) atom. In the sixth O site, O(6) is bonded in a 1-coordinate geometry to one Ag(2) and one C(9) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Ag(4) and one C(10) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Ag(1), one Ag(3), and one C(10) atom. Linkers: 4 [O]C(=O)c1ccc(C([O])=O)c(C([O])=O)c1C([O])=O. Metal clusters: 16 [Ag]. The MOF has largest included sphere 1.32 A, density 4.11 g/cm3, surface area 1204.48 m2/g, accessible volume 0.02 cm3/g