Ag(CO2)2AgH8(CN)2 crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of four Ag(CO2)2 clusters and four AgH8(CN)2 clusters. In each Ag(CO2)2 cluster, Ag(2) is bonded in a linear geometry to one O(2) and one O(3) atom. The Ag(2)-O(2) bond length is 2.15 Å. The Ag(2)-O(3) bond length is 2.13 Å. There are two inequivalent C sites. In the first C site, C(2) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(2) atom. The C(2)-O(1) bond length is 1.25 Å. The C(2)-O(2) bond length is 1.29 Å. In the second C site, C(3) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. The C(3)-O(3) bond length is 1.29 Å. The C(3)-O(4) bond length is 1.25 Å. There are four inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one C(2) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Ag(2) and one C(2) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Ag(2) and one C(3) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one C(3) atom. In each AgH8(CN)2 cluster, Ag(1) is bonded in a linear geometry to one N(1) and one N(2) atom. The Ag(1)-N(1) bond length is 2.11 Å. The Ag(1)-N(2) bond length is 2.11 Å. There are two inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal non-coplanar geometry to one N(2), one H(4), and one H(5) atom. The C(1)-N(2) bond length is 1.47 Å. The C(1)-H(4) bond length is 1.10 Å. The C(1)-H(5) bond length is 1.10 Å. In the second C site, C(4) is bonded in a distorted trigonal non-coplanar geometry to one N(1), one H(6), and one H(7) atom. The C(4)-N(1) bond length is 1.47 Å. The C(4)-H(6) bond length is 1.10 Å. The C(4)-H(7) bond length is 1.10 Å. There are two inequivalent N sites. In the first N site, N(2) is bonded in a distorted tetrahedral geometry to one Ag(1), one C(1), one H(2), and one H(3) atom. The N(2)-H(2) bond length is 1.03 Å. The N(2)-H(3) bond length is 1.03 Å. In the second N site, N(1) is bonded in a 4-coordinate geometry to one Ag(1), one C(4), one H(1), and one H(8) atom. The N(1)-H(1) bond length is 1.03 Å. The N(1)-H(8) bond length is 1.03 Å. There are eight inequivalent H sites. In the first H site, H(7) is bonded in a single-bond geometry to one C(4) atom. In the second H site, H(8) is bonded in a single-bond geometry to one N(1) atom. In the third H site, H(1) is bonded in a single-bond geometry to one N(1) atom. In the fourth H site, H(2) is bonded in a single-bond geometry to one N(2) atom. In the fifth H site, H(3) is bonded in a single-bond geometry to one N(2) atom. In the sixth H site, H(4) is bonded in a single-bond geometry to one C(1) atom. In the seventh H site, H(5) is bonded in a single-bond geometry to one C(1) atom. In the eighth H site, H(6) is bonded in a single-bond geometry to one C(4) atom. Linkers: 8 NCC([O])=O. Metal clusters: 8 [Ag]. The MOF has largest included sphere 2.48 A, density 2.97 g/cm3, surface area 2338.68 m2/g, accessible volume 0.05 cm3/g