Ag3H8(C3O2)6 crystallizes in the orthorhombic Fddd space group. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 3-coordinate geometry to one O(2), one O(5), and one O(6) atom. The Ag(1)-O(2) bond length is 2.56 Å. The Ag(1)-O(5) bond length is 2.26 Å. The Ag(1)-O(6) bond length is 2.23 Å. In the second Ag site, Ag(2) is bonded in a linear geometry to two equivalent O(2) atoms. Both Ag(2)-O(2) bond lengths are 2.11 Å. There are nine inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(2), one C(3), and one C(9) atom. The C(1)-C(2) bond length is 1.39 Å. The C(1)-C(3) bond length is 1.51 Å. The C(1)-C(9) bond length is 1.40 Å. In the second C site, C(2) is bonded in a single-bond geometry to one C(1), one C(4), and one H(1) atom. The C(2)-C(4) bond length is 1.40 Å. The C(2)-H(1) bond length is 0.93 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(1), and one O(2) atom. The C(3)-O(1) bond length is 1.26 Å. The C(3)-O(2) bond length is 1.26 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(2), one C(5), and one C(6) atom. The C(4)-C(5) bond length is 1.50 Å. The C(4)-C(6) bond length is 1.39 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(3), and one O(4) atom. The C(5)-O(3) bond length is 1.23 Å. The C(5)-O(4) bond length is 1.29 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(4), one C(7), and one H(2) atom. The C(6)-C(7) bond length is 1.40 Å. The C(6)-H(2) bond length is 0.93 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one C(6), one C(8), and one C(9) atom. The C(7)-C(8) bond length is 1.51 Å. The C(7)-C(9) bond length is 1.36 Å. In the eighth C site, C(9) is bonded in a distorted single-bond geometry to one C(1), one C(7), and one H(3) atom. The C(9)-H(3) bond length is 0.93 Å. In the ninth C site, C(8) is bonded in a bent 120 degrees geometry to one C(7), one O(5), and one O(6) atom. The C(8)-O(5) bond length is 1.28 Å. The C(8)-O(6) bond length is 1.25 Å. There are four 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(6) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(9) atom. In the fourth H site, H(4) is bonded in a distorted single-bond geometry to one O(1) and one O(4) atom. The H(4)-O(1) bond length is 1.66 Å. The H(4)-O(4) bond length is 0.93 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one C(3) and one H(4) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Ag(1), one Ag(2), and one C(3) atom. In the third O site, O(3) is bonded in a single-bond geometry to one C(5) atom. In the fourth O site, O(4) is bonded in a water-like geometry to one C(5) and one H(4) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Ag(1) and one C(8) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Ag(1) and one C(8) atom. Linkers: 32 [O]C(=O)c1cc(C([O])=O)cc(C(=O)O)c1. Metal clusters: 8 O=[C]O[Ag]12(O[C]=O)[Ag@]34O[C]O[Ag@]3(O[C]O4)[Ag]1(O[C]=O)(O[C]=O)[Ag@]13O[C]O[Ag@@]12O[C]O3. RCSR code: dia. The MOF has largest included sphere 7.19 A, density 1.40 g/cm3, surface area 3073.35 m2/g, accessible volume 0.35 cm3/g