Na2Zn3H12(C10O9)2 crystallizes in the triclinic P-1 space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded in a 6-coordinate geometry to one O(13), one O(14), one O(15), one O(16), one O(17), and one O(18) atom. The Na(1)-O(13) bond length is 2.61 Å. The Na(1)-O(14) bond length is 2.62 Å. The Na(1)-O(15) bond length is 2.32 Å. The Na(1)-O(16) bond length is 2.33 Å. The Na(1)-O(17) bond length is 2.33 Å. The Na(1)-O(18) bond length is 2.33 Å. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one O(13), one O(14), one O(15), one O(16), one O(3), and one O(4) atom. The Na(2)-O(13) bond length is 2.30 Å. The Na(2)-O(14) bond length is 2.30 Å. The Na(2)-O(15) bond length is 2.82 Å. The Na(2)-O(16) bond length is 2.81 Å. The Na(2)-O(3) bond length is 2.43 Å. The Na(2)-O(4) bond length is 2.43 Å. There are three inequivalent Zn sites. In the first Zn site, Zn(1) is bonded in a tetrahedral geometry to one O(1), one O(3), one O(5), and one O(7) atom. The Zn(1)-O(1) bond length is 2.00 Å. The Zn(1)-O(3) bond length is 1.98 Å. The Zn(1)-O(5) bond length is 1.98 Å. The Zn(1)-O(7) bond length is 2.00 Å. In the second Zn site, Zn(2) is bonded in a tetrahedral geometry to one O(2), one O(4), one O(6), and one O(8) atom. The Zn(2)-O(2) bond length is 2.00 Å. The Zn(2)-O(4) bond length is 1.98 Å. The Zn(2)-O(6) bond length is 1.98 Å. The Zn(2)-O(8) bond length is 2.00 Å. In the third Zn site, Zn(3) is bonded in a rectangular see-saw-like geometry to one O(10), one O(11), one O(12), and one O(9) atom. The Zn(3)-O(10) bond length is 1.99 Å. The Zn(3)-O(11) bond length is 1.98 Å. The Zn(3)-O(12) bond length is 1.98 Å. The Zn(3)-O(9) bond length is 1.99 Å. There are nineteen inequivalent C sites. In the first C site, C(1,2) is bonded in a distorted single-bond geometry to one C(13); one C(5); and one H(5,6) atom. The C(1,2)-C(13) bond length is 1.40 Å. The C(1,2)-C(5) bond length is 1.40 Å. The C(1,2)-H(5,6) bond length is 1.09 Å. In the second C site, C(3) is bonded in a trigonal planar geometry to one C(11), one C(15), and one C(9) atom. The C(3)-C(11) bond length is 1.40 Å. The C(3)-C(15) bond length is 1.49 Å. The C(3)-C(9) bond length is 1.40 Å. In the third C site, C(4) is bonded in a trigonal planar geometry to one C(10), one C(12), and one C(16) atom. The C(4)-C(10) bond length is 1.40 Å. The C(4)-C(12) bond length is 1.40 Å. The C(4)-C(16) bond length is 1.49 Å. In the fourth C site, C(5) is bonded in a trigonal planar geometry to one C(1,2); one C(11); and one C(17) atom. The C(5)-C(11) bond length is 1.40 Å. The C(5)-C(17) bond length is 1.49 Å. In the fifth C site, C(6) is bonded in a trigonal planar geometry to one C(1,2); one C(12); and one C(18) atom. The C(6)-C(1,2) bond length is 1.40 Å. The C(6)-C(12) bond length is 1.40 Å. The C(6)-C(18) bond length is 1.49 Å. In the sixth C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(13), one O(13), and one O(5) atom. The C(7)-C(13) bond length is 1.50 Å. The C(7)-O(13) bond length is 1.26 Å. The C(7)-O(5) bond length is 1.29 Å. In the seventh C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(14), one O(14), and one O(6) atom. The C(8)-C(14) bond length is 1.50 Å. The C(8)-O(14) bond length is 1.26 Å. The C(8)-O(6) bond length is 1.29 Å. In the eighth C site, C(9) is bonded in a distorted single-bond geometry to one C(13); one C(3); and one H(7,8) atom. The C(9)-C(13) bond length is 1.40 Å. The C(9)-H(7,8) bond length is 1.09 Å. In the ninth C site, C(10) is bonded in a distorted single-bond geometry to one C(14); one C(4); and one H(7,8) atom. The C(10)-C(14) bond length is 1.40 Å. The C(10)-H(7,8) bond length is 1.09 Å. In the tenth C site, C(11) is bonded in a distorted single-bond geometry to one C(3); one C(5); and one H(9,10) atom. The C(11)-H(9,10) bond length is 1.09 Å. In the eleventh C site, C(12) is bonded in a distorted single-bond geometry to one C(4); one C(6); and one H(9,10) atom. The C(12)-H(9,10) bond length is 1.09 Å. In the twelfth C site, C(13) is bonded in a trigonal planar geometry to one C(1,2); one C(7); and one C(9) atom. In the thirteenth C site, C(14) is bonded in a trigonal planar geometry to one C(1,2); one C(10); and one C(8) atom. The C(14)-C(1,2) bond length is 1.40 Å. In the fourteenth C site, C(15) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(11), and one O(15) atom. The C(15)-O(11) bond length is 1.30 Å. The C(15)-O(15) bond length is 1.25 Å. In the fifteenth C site, C(16) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(12), and one O(16) atom. The C(16)-O(12) bond length is 1.30 Å. The C(16)-O(16) bond length is 1.25 Å. In the sixteenth C site, C(17) is bonded in a bent 120 degrees geometry to one C(5), one O(1), and one O(9) atom. The C(17)-O(1) bond length is 1.28 Å. The C(17)-O(9) bond length is 1.28 Å. In the seventeenth C site, C(18) is bonded in a bent 120 degrees geometry to one C(6), one O(10), and one O(2) atom. The C(18)-O(10) bond length is 1.28 Å. The C(18)-O(2) bond length is 1.28 Å. In the eighteenth C site, C(19) is bonded in a trigonal planar geometry to one H(11), one O(17), and one O(3) atom. The C(19)-H(11) bond length is 1.10 Å. The C(19)-O(17) bond length is 1.25 Å. The C(19)-O(3) bond length is 1.29 Å. In the nineteenth C site, C(20) is bonded in a trigonal planar geometry to one H(12), one O(18), and one O(4) atom. The C(20)-H(12) bond length is 1.10 Å. The C(20)-O(18) bond length is 1.25 Å. The C(20)-O(4) bond length is 1.29 Å. There are nine inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(7) atom. The H(1)-O(7) bond length is 0.99 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(8) atom. The H(2)-O(8) bond length is 0.99 Å. In the third H site, H(3) is bonded in a linear geometry to one O(17) and one O(7) atom. The H(3)-O(17) bond length is 1.60 Å. The H(3)-O(7) bond length is 1.02 Å. In the fourth H site, H(4) is bonded in a linear geometry to one O(18) and one O(8) atom. The H(4)-O(18) bond length is 1.60 Å. The H(4)-O(8) bond length is 1.02 Å. In the fifth H site, H(5,6) is bonded in a single-bond geometry to one C(1,2) atom. In the sixth H site, H(7,8) is bonded in a single-bond geometry to one C(9) atom. In the seventh H site, H(9,10) is bonded in a single-bond geometry to one C(11) atom. In the eighth H site, H(11) is bonded in a single-bond geometry to one C(19) atom. In the ninth H site, H(12) is bonded in a single-bond geometry to one C(20) atom. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(17) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(18) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Na(2), one Zn(1), and one C(19) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Na(2), one Zn(2), and one C(20) atom. In the fifth O site, O(5) is bonded in a water-like geometry to one Zn(1) and one C(7) atom. In the sixth O site, O(6) is bonded in a water-like geometry to one Zn(2) and one C(8) atom. In the seventh O site, O(7) is bonded in a distorted trigonal non-coplanar geometry to one Zn(1), one H(1), and one H(3) atom. In the eighth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Zn(2), one H(2), and one H(4) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one Zn(3) and one C(17) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Zn(3) and one C(18) atom. In the eleventh O site, O(11) is bonded in a bent 120 degrees geometry to one Zn(3) and one C(15) atom. In the twelfth O site, O(12) is bonded in a bent 120 degrees geometry to one Zn(3) and one C(16) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Na(1), one Na(2), and one C(7) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to one Na(1), one Na(2), and one C(8) atom. In the fifteenth O site, O(15) is bonded in a 3-coordinate geometry to one Na(1), one Na(2), and one C(15) atom. In the sixteenth O site, O(16) is bonded in a 3-coordinate geometry to one Na(1), one Na(2), and one C(16) atom. In the seventeenth O site, O(17) is bonded in a distorted trigonal planar geometry to one Na(1), one C(19), and one H(3) atom. In the eighteenth O site, O(18) is bonded in a distorted trigonal planar geometry to one Na(1), one C(20), and one H(4) atom. Linkers: 4 [O]C(=O)c1cc(C([O])=O)cc(C([O])=O)c1. Metal clusters: 4 [Na] ,6 [Zn]. The MOF has largest included sphere 2.13 A, density 2.20 g/cm3, surface area 2565.61 m2/g, accessible volume 0.06 cm3/g