Ag2H3(C2O)4 crystallizes in the triclinic P-1 space group. There are four inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 5-coordinate geometry to one C(10), one C(16), one O(4), and two equivalent O(2) atoms. The Ag(1)-C(10) bond length is 2.31 Å. The Ag(1)-C(16) bond length is 2.46 Å. The Ag(1)-O(4) bond length is 2.39 Å. There is one shorter (2.27 Å) and one longer (2.75 Å) Ag(1)-O(2) bond length. In the second Ag site, Ag(2) is bonded in a distorted trigonal pyramidal geometry to one O(1), one O(5), one O(7), and one O(8) atom. The Ag(2)-O(1) bond length is 2.35 Å. The Ag(2)-O(5) bond length is 2.31 Å. The Ag(2)-O(7) bond length is 2.62 Å. The Ag(2)-O(8) bond length is 2.34 Å. In the third Ag site, Ag(3) is bonded in a 4-coordinate geometry to one C(14), one O(2), one O(4), one O(7), and one O(8) atom. The Ag(3)-C(14) bond length is 2.74 Å. The Ag(3)-O(2) bond length is 2.45 Å. The Ag(3)-O(4) bond length is 2.27 Å. The Ag(3)-O(7) bond length is 2.54 Å. The Ag(3)-O(8) bond length is 2.50 Å. In the fourth Ag site, Ag(4) is bonded in a 4-coordinate geometry to one O(1), one O(3), one O(5), and one O(6) atom. The Ag(4)-O(1) bond length is 2.67 Å. The Ag(4)-O(3) bond length is 2.26 Å. The Ag(4)-O(5) bond length is 2.48 Å. The Ag(4)-O(6) bond length is 2.20 Å. There are sixteen inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(1), and one O(6) atom. The C(1)-C(5) bond length is 1.50 Å. The C(1)-O(1) bond length is 1.27 Å. The C(1)-O(6) bond length is 1.28 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(9), one O(2), and one O(3) atom. The C(2)-C(9) bond length is 1.51 Å. The C(2)-O(2) bond length is 1.29 Å. The C(2)-O(3) bond length is 1.26 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(5), one C(9), and one H(1) atom. The C(3)-C(5) bond length is 1.40 Å. The C(3)-C(9) bond length is 1.40 Å. The C(3)-H(1) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(6), one C(8), and one C(9) atom. The C(4)-C(6) bond length is 1.41 Å. The C(4)-C(8) bond length is 1.48 Å. The C(4)-C(9) bond length is 1.41 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(7) atom. The C(5)-C(7) bond length is 1.40 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(12), one C(4), and one C(7) atom. The C(6)-C(12) bond length is 1.50 Å. The C(6)-C(7) bond length is 1.40 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(5), one C(6), and one H(2) atom. The C(7)-H(2) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one C(10), one C(11), and one C(4) atom. The C(8)-C(10) bond length is 1.42 Å. The C(8)-C(11) bond length is 1.40 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one C(2), one C(3), and one C(4) atom. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one Ag(1), one C(8), and one H(3) atom. The C(10)-H(3) bond length is 1.09 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(8) and one H(4) atom. The C(11)-H(4) bond length is 1.09 Å. In the twelfth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one C(6), one O(4), and one O(5) atom. The C(12)-O(4) bond length is 1.28 Å. The C(12)-O(5) bond length is 1.27 Å. In the thirteenth C site, C(13) is bonded in a distorted single-bond geometry to one C(14) and one H(5) atom. The C(13)-C(14) bond length is 1.40 Å. The C(13)-H(5) bond length is 1.09 Å. In the fourteenth C site, C(14) is bonded in a distorted trigonal pyramidal geometry to one Ag(3), one C(13), one C(15), and one C(16) atom. The C(14)-C(15) bond length is 1.50 Å. The C(14)-C(16) bond length is 1.42 Å. In the fifteenth C site, C(15) is bonded in a distorted bent 120 degrees geometry to one C(14), one O(7), and one O(8) atom. The C(15)-O(7) bond length is 1.26 Å. The C(15)-O(8) bond length is 1.29 Å. In the sixteenth C site, C(16) is bonded in a distorted single-bond geometry to one Ag(1), one C(14), and one H(6) atom. The C(16)-H(6) bond length is 1.09 Å. There are six inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(7) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(10) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(11) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(13) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(16) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Ag(2), one Ag(4), and one C(1) atom. In the second O site, O(2) is bonded in a 1-coordinate geometry to one Ag(3), two equivalent Ag(1), and one C(2) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one Ag(4) and one C(2) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Ag(1), one Ag(3), and one C(12) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Ag(2), one Ag(4), and one C(12) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one Ag(4) and one C(1) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one Ag(2), one Ag(3), and one C(15) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Ag(2), one Ag(3), and one C(15) atom. Linkers: 2 [O]C(=O)c1ccc(-c2c(C([O])=O)cc(C([O])=O)cc2C([O])=O)cc1. Metal clusters: 8 [Ag]. The MOF has largest included sphere 1.83 A, density 3.37 g/cm3, surface area 1723.25 m2/g, accessible volume 0.04 cm3/g