Zn3H13(C2O)16 crystallizes in the triclinic P-1 space group. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(11), one O(3), one O(8), one O(9), and two equivalent O(7) atoms to form distorted ZnO6 octahedra that share  a cornercorner with one Zn(2)O5 square pyramid and  an edgeedge with one Zn(1)O6 octahedra. The Zn(1)-O(11) bond length is 2.19 Å. The Zn(1)-O(3) bond length is 2.12 Å. The Zn(1)-O(8) bond length is 2.22 Å. The Zn(1)-O(9) bond length is 2.14 Å. There is one shorter (2.13 Å) and one longer (2.50 Å) Zn(1)-O(7) bond length. In the second Zn site, Zn(2) is bonded to one O(12), one O(13), one O(4), one O(5), and one O(8) atom to form distorted corner-sharing ZnO5 square pyramids. The corner-sharing octahedral tilt angles are 81°. The Zn(2)-O(12) bond length is 2.11 Å. The Zn(2)-O(13) bond length is 2.14 Å. The Zn(2)-O(4) bond length is 2.14 Å. The Zn(2)-O(5) bond length is 2.08 Å. The Zn(2)-O(8) bond length is 2.53 Å. In the third Zn site, Zn(3) is bonded in a square pyramidal geometry to one O(1), one O(14), one O(16), one O(2), and one O(6) atom. The Zn(3)-O(1) bond length is 2.21 Å. The Zn(3)-O(14) bond length is 2.13 Å. The Zn(3)-O(16) bond length is 2.13 Å. The Zn(3)-O(2) bond length is 2.15 Å. The Zn(3)-O(6) bond length is 2.13 Å. There are thirty-two inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(1), and one O(9) atom. The C(1)-C(2) bond length is 1.51 Å. The C(1)-O(1) bond length is 1.26 Å. The C(1)-O(9) bond length is 1.25 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(7) atom. The C(2)-C(3) bond length is 1.36 Å. The C(2)-C(7) bond length is 1.39 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(4), and one H(1) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-H(1) bond length is 0.93 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(8) atom. The C(4)-C(5) bond length is 1.38 Å. The C(4)-C(8) bond length is 1.50 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(4), one C(6), and one H(2) atom. The C(5)-C(6) bond length is 1.41 Å. The C(5)-H(2) bond length is 0.93 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(5), one C(7), and one C(9) atom. The C(6)-C(7) bond length is 1.38 Å. The C(6)-C(9) bond length is 1.50 Å. In the seventh C site, C(7) is bonded in a single-bond geometry to one C(2), one C(6), and one H(3) atom. The C(7)-H(3) bond length is 0.93 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(3), and one O(4) atom. The C(8)-O(3) bond length is 1.26 Å. The C(8)-O(4) bond length is 1.23 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one C(10), one C(14), and one C(6) atom. The C(9)-C(10) bond length is 1.40 Å. The C(9)-C(14) bond length is 1.38 Å. In the tenth C site, C(10) is bonded in a single-bond geometry to one C(11), one C(9), and one H(4) atom. The C(10)-C(11) bond length is 1.40 Å. The C(10)-H(4) bond length is 0.93 Å. In the eleventh C site, C(11) is bonded in a trigonal planar geometry to one C(10), one C(12), and one C(16) atom. The C(11)-C(12) bond length is 1.38 Å. The C(11)-C(16) bond length is 1.49 Å. In the twelfth C site, C(12) is bonded in a distorted single-bond geometry to one C(11), one C(13), and one H(5) atom. The C(12)-C(13) bond length is 1.37 Å. The C(12)-H(5) bond length is 0.93 Å. In the thirteenth C site, C(13) is bonded in a trigonal planar geometry to one C(12), one C(14), and one C(15) atom. The C(13)-C(14) bond length is 1.40 Å. The C(13)-C(15) bond length is 1.52 Å. In the fourteenth C site, C(14) is bonded in a distorted single-bond geometry to one C(13), one C(9), and one H(6) atom. The C(14)-H(6) bond length is 0.93 Å. In the fifteenth C site, C(15) is bonded in a distorted bent 120 degrees geometry to one C(13), one O(5), and one O(6) atom. The C(15)-O(5) bond length is 1.26 Å. The C(15)-O(6) bond length is 1.24 Å. In the sixteenth C site, C(16) is bonded in a bent 120 degrees geometry to one C(11), one O(7), and one O(8) atom. The C(16)-O(7) bond length is 1.25 Å. The C(16)-O(8) bond length is 1.26 Å. In the seventeenth C site, C(17) is bonded in a distorted bent 120 degrees geometry to one C(18), one O(11), and one O(12) atom. The C(17)-C(18) bond length is 1.51 Å. The C(17)-O(11) bond length is 1.29 Å. The C(17)-O(12) bond length is 1.23 Å. In the eighteenth C site, C(18) is bonded in a trigonal planar geometry to one C(17), one C(19), and one C(23) atom. The C(18)-C(19) bond length is 1.38 Å. The C(18)-C(23) bond length is 1.37 Å. In the nineteenth C site, C(19) is bonded in a distorted single-bond geometry to one C(18), one C(20), and one H(7) atom. The C(19)-C(20) bond length is 1.34 Å. The C(19)-H(7) bond length is 0.93 Å. In the twentieth C site, C(20) is bonded in a trigonal planar geometry to one C(19), one C(21), and one C(25) atom. The C(20)-C(21) bond length is 1.44 Å. The C(20)-C(25) bond length is 1.50 Å. In the twenty-first C site, C(21) is bonded in a distorted single-bond geometry to one C(20), one C(22), and one H(8) atom. The C(21)-C(22) bond length is 1.38 Å. The C(21)-H(8) bond length is 0.93 Å. In the twenty-second C site, C(22) is bonded in a trigonal planar geometry to one C(21), one C(23), and one C(24) atom. The C(22)-C(23) bond length is 1.39 Å. The C(22)-C(24) bond length is 1.50 Å. In the twenty-third C site, C(23) is bonded in a distorted single-bond geometry to one C(18), one C(22), and one H(9) atom. The C(23)-H(9) bond length is 0.93 Å. In the twenty-fourth C site, C(24) is bonded in a distorted bent 120 degrees geometry to one C(22), one O(10), and one O(2) atom. The C(24)-O(10) bond length is 1.26 Å. The C(24)-O(2) bond length is 1.25 Å. In the twenty-fifth C site, C(25) is bonded in a trigonal planar geometry to one C(20), one C(26), and one C(30) atom. The C(25)-C(26) bond length is 1.39 Å. The C(25)-C(30) bond length is 1.39 Å. In the twenty-sixth C site, C(26) is bonded in a distorted single-bond geometry to one C(25), one C(27), and one H(10) atom. The C(26)-C(27) bond length is 1.39 Å. The C(26)-H(10) bond length is 0.93 Å. In the twenty-seventh C site, C(27) is bonded in a trigonal planar geometry to one C(26), one C(28), and one C(31) atom. The C(27)-C(28) bond length is 1.40 Å. The C(27)-C(31) bond length is 1.52 Å. In the twenty-eighth C site, C(28) is bonded in a distorted single-bond geometry to one C(27), one C(29), and one H(11) atom. The C(28)-C(29) bond length is 1.37 Å. The C(28)-H(11) bond length is 0.93 Å. In the twenty-ninth C site, C(29) is bonded in a trigonal planar geometry to one C(28), one C(30), and one C(32) atom. The C(29)-C(30) bond length is 1.43 Å. The C(29)-C(32) bond length is 1.50 Å. In the thirtieth C site, C(30) is bonded in a distorted single-bond geometry to one C(25), one C(29), and one H(12) atom. The C(30)-H(12) bond length is 0.93 Å. In the thirty-first C site, C(31) is bonded in a distorted bent 120 degrees geometry to one C(27), one O(15), and one O(16) atom. The C(31)-O(15) bond length is 1.25 Å. The C(31)-O(16) bond length is 1.23 Å. In the thirty-second C site, C(32) is bonded in a distorted bent 120 degrees geometry to one C(29), one O(13), and one O(14) atom. The C(32)-O(13) bond length is 1.28 Å. The C(32)-O(14) bond length is 1.22 Å. There are thirteen 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(5) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(7) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(10) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(12) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(14) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(19) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(21) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(23) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(26) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(28) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(30) atom. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one O(13) atom. The H(13)-O(13) bond length is 0.93 Å. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Zn(3) and one C(1) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Zn(3) and one C(24) atom. In the third O site, O(3) is bonded in a water-like geometry to one Zn(1) and one C(8) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one Zn(2) and one C(8) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Zn(2) and one C(15) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one Zn(3) and one C(15) atom. In the seventh O site, O(7) is bonded in a 2-coordinate geometry to two equivalent Zn(1) and one C(16) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Zn(1), one Zn(2), and one C(16) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one Zn(1) and one C(1) atom. In the tenth O site, O(10) is bonded in a single-bond geometry to one C(24) atom. In the eleventh O site, O(11) is bonded in a water-like geometry to one Zn(1) and one C(17) atom. In the twelfth O site, O(12) is bonded in a bent 150 degrees geometry to one Zn(2) and one C(17) atom. In the thirteenth O site, O(13) is bonded in a distorted trigonal planar geometry to one Zn(2), one C(32), and one H(13) atom. In the fourteenth O site, O(14) is bonded in a bent 150 degrees geometry to one Zn(3) and one C(32) atom. In the fifteenth O site, O(15) is bonded in a single-bond geometry to one C(31) atom. In the sixteenth O site, O(16) is bonded in a bent 150 degrees geometry to one Zn(3) and one C(31) atom. Linkers: 2 [O]C(=O)c1cc(C([O])=O)cc(-c2cc(C([O])=O)cc(C([O])=O)c2)c1 ,2 [O]C(=O)c1cc(C([O])=O)cc(-c2cc(C([O])=O)cc(C(=O)O)c2)c1. Metal clusters: 6 [Zn]. The MOF has largest included sphere 5.39 A, density 1.49 g/cm3, surface area 3691.36 m2/g, accessible volume 0.28 cm3/g