NaZnC9H11O10 crystallizes in the triclinic P-1 space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded to one O(11), one O(14), one O(16), one O(19), one O(20), and one O(5) atom to form NaO6 octahedra that share  a cornercorner with one Zn(1)O5 trigonal bipyramid and  a cornercorner with one Zn(2)O5 trigonal bipyramid. The Na(1)-O(11) bond length is 2.54 Å. The Na(1)-O(14) bond length is 2.42 Å. The Na(1)-O(16) bond length is 2.54 Å. The Na(1)-O(19) bond length is 2.40 Å. The Na(1)-O(20) bond length is 2.40 Å. The Na(1)-O(5) bond length is 2.43 Å. In the second Na site, Na(2) is bonded to one O(15), one O(18), one O(3), one O(6), one O(7), and one O(9) atom to form distorted NaO6 octahedra that share  an edgeedge with one Zn(1)O5 trigonal bipyramid and  an edgeedge with one Zn(2)O5 trigonal bipyramid. The Na(2)-O(15) bond length is 2.44 Å. The Na(2)-O(18) bond length is 2.41 Å. The Na(2)-O(3) bond length is 2.28 Å. The Na(2)-O(6) bond length is 2.46 Å. The Na(2)-O(7) bond length is 2.28 Å. The Na(2)-O(9) bond length is 2.40 Å. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(10), one O(11), one O(6), one O(8), and one O(9) atom to form ZnO5 trigonal bipyramids that share  a cornercorner with one Na(1)O6 octahedra and  an edgeedge with one Na(2)O6 octahedra. The corner-sharing octahedral tilt angles are 77°. The Zn(1)-O(10) bond length is 2.21 Å. The Zn(1)-O(11) bond length is 2.03 Å. The Zn(1)-O(6) bond length is 1.99 Å. The Zn(1)-O(8) bond length is 1.99 Å. The Zn(1)-O(9) bond length is 2.21 Å. In the second Zn site, Zn(2) is bonded to one O(15), one O(16), one O(17), one O(18), and one O(4) atom to form ZnO5 trigonal bipyramids that share  a cornercorner with one Na(1)O6 octahedra and  an edgeedge with one Na(2)O6 octahedra. The corner-sharing octahedral tilt angles are 76°. The Zn(2)-O(15) bond length is 1.99 Å. The Zn(2)-O(16) bond length is 2.03 Å. The Zn(2)-O(17) bond length is 2.21 Å. The Zn(2)-O(18) bond length is 2.21 Å. The Zn(2)-O(4) bond length is 2.01 Å. There are eighteen 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(2) atom. The C(1)-C(2) bond length is 1.51 Å. The C(1)-O(1) bond length is 1.29 Å. The C(1)-O(2) bond length is 1.26 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(4) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-C(4) bond length is 1.40 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(7), and one H(17) atom. The C(3)-C(7) bond length is 1.40 Å. The C(3)-H(17) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(2), one C(5), and one H(18) atom. The C(4)-C(5) bond length is 1.40 Å. The C(4)-H(18) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(4), one C(6), and one C(8) atom. The C(5)-C(6) bond length is 1.40 Å. The C(5)-C(8) bond length is 1.49 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(5); one C(7); and one H(19,22) atom. The C(6)-C(7) bond length is 1.39 Å. The C(6)-H(19,22) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one C(3), one C(6), and one C(9) atom. The C(7)-C(9) bond length is 1.49 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(5), one O(5), and one O(6) atom. The C(8)-O(5) bond length is 1.27 Å. The C(8)-O(6) bond length is 1.28 Å. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(7), one O(3), and one O(4) atom. The C(9)-O(3) bond length is 1.26 Å. The C(9)-O(4) bond length is 1.30 Å. In the tenth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one C(11), one O(7), and one O(8) atom. The C(10)-C(11) bond length is 1.49 Å. The C(10)-O(7) bond length is 1.25 Å. The C(10)-O(8) bond length is 1.30 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(17) atom. The C(11)-C(12) bond length is 1.39 Å. The C(11)-C(17) bond length is 1.39 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(20) atom. The C(12)-C(13) bond length is 1.40 Å. The C(12)-H(20) bond length is 1.09 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 1.51 Å. The C(13)-C(15) bond length is 1.40 Å. In the fourteenth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one C(13), one O(12), and one O(13) atom. The C(14)-O(12) bond length is 1.29 Å. The C(14)-O(13) bond length is 1.26 Å. In the fifteenth C site, C(15) is bonded in a distorted single-bond geometry to one C(13), one C(16), and one H(21) atom. The C(15)-C(16) bond length is 1.40 Å. The C(15)-H(21) bond length is 1.09 Å. In the sixteenth C site, C(16) is bonded in a trigonal planar geometry to one C(15), one C(17), and one C(18) atom. The C(16)-C(17) bond length is 1.40 Å. The C(16)-C(18) bond length is 1.49 Å. In the seventeenth C site, C(17) is bonded in a distorted trigonal planar geometry to one C(11); one C(16); and one H(19,22) atom. The C(17)-H(19,22) bond length is 1.09 Å. In the eighteenth C site, C(18) is bonded in a distorted bent 120 degrees geometry to one C(16), one O(14), and one O(15) atom. The C(18)-O(14) bond length is 1.27 Å. The C(18)-O(15) bond length is 1.28 Å. There are twenty-one inequivalent H sites. In the first H site, H(1) is bonded in a distorted single-bond geometry to one O(13) and one O(9) atom. The H(1)-O(13) bond length is 1.61 Å. The H(1)-O(9) bond length is 1.01 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(9) atom. The H(2)-O(9) bond length is 0.99 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(10) atom. The H(3)-O(10) bond length is 0.98 Å. In the fourth H site, H(4) is bonded in a distorted single-bond geometry to one O(10) and one O(14) atom. The H(4)-O(10) bond length is 1.01 Å. The H(4)-O(14) bond length is 1.63 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(11) atom. The H(5)-O(11) bond length is 0.98 Å. In the sixth H site, H(6) is bonded in a linear geometry to one O(11) and one O(12) atom. The H(6)-O(11) bond length is 1.09 Å. The H(6)-O(12) bond length is 1.38 Å. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(16) atom. The H(7)-O(16) bond length is 0.97 Å. In the eighth H site, H(8) is bonded in a linear geometry to one O(1) and one O(16) atom. The H(8)-O(1) bond length is 1.38 Å. The H(8)-O(16) bond length is 1.09 Å. In the ninth H site, H(9) is bonded in a distorted single-bond geometry to one O(17) and one O(5) atom. The H(9)-O(17) bond length is 1.01 Å. The H(9)-O(5) bond length is 1.62 Å. In the tenth H site, H(10) is bonded in a single-bond geometry to one O(17) atom. The H(10)-O(17) bond length is 0.97 Å. In the eleventh H site, H(11) is bonded in a distorted single-bond geometry to one O(18) and one O(2) atom. The H(11)-O(18) bond length is 1.01 Å. The H(11)-O(2) bond length is 1.63 Å. In the twelfth H site, H(12) is bonded in a single-bond geometry to one O(18) atom. The H(12)-O(18) bond length is 0.99 Å. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one O(19) atom. The H(13)-O(19) bond length is 0.98 Å. In the fourteenth H site, H(14) is bonded in a single-bond geometry to one O(19) atom. The H(14)-O(19) bond length is 0.99 Å. In the fifteenth H site, H(15) is bonded in a single-bond geometry to one O(20) atom. The H(15)-O(20) bond length is 0.98 Å. In the sixteenth H site, H(16) is bonded in a single-bond geometry to one O(20) atom. The H(16)-O(20) bond length is 0.99 Å. In the seventeenth H site, H(17) is bonded in a single-bond geometry to one C(3) atom. In the eighteenth H site, H(18) is bonded in a single-bond geometry to one C(4) atom. In the nineteenth H site, H(19,22) is bonded in a single-bond geometry to one C(6) atom. In the twentieth H site, H(20) is bonded in a single-bond geometry to one C(12) atom. In the twenty-first H site, H(21) is bonded in a single-bond geometry to one C(15) atom. There are twenty inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one C(1) and one H(8) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one C(1) and one H(11) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Na(2) and one C(9) atom. In the fourth O site, O(4) is bonded in a water-like geometry to one Zn(2) and one C(9) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Na(1), one C(8), and one H(9) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Na(2), one Zn(1), and one C(8) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Na(2) and one C(10) atom. In the eighth O site, O(8) is bonded in a water-like geometry to one Zn(1) and one C(10) atom. In the ninth O site, O(9) is bonded in a distorted water-like geometry to one Na(2), one Zn(1), one H(1), and one H(2) atom. In the tenth O site, O(10) is bonded in a distorted water-like geometry to one Zn(1), one H(3), and one H(4) atom. In the eleventh O site, O(11) is bonded in a 2-coordinate geometry to one Na(1), one Zn(1), one H(5), and one H(6) atom. In the twelfth O site, O(12) is bonded in a bent 120 degrees geometry to one C(14) and one H(6) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 120 degrees geometry to one C(14) and one H(1) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal planar geometry to one Na(1), one C(18), and one H(4) atom. In the fifteenth O site, O(15) is bonded in a 3-coordinate geometry to one Na(2), one Zn(2), and one C(18) atom. In the sixteenth O site, O(16) is bonded in a 2-coordinate geometry to one Na(1), one Zn(2), one H(7), and one H(8) atom. In the seventeenth O site, O(17) is bonded in a distorted water-like geometry to one Zn(2), one H(10), and one H(9) atom. In the eighteenth O site, O(18) is bonded in a distorted water-like geometry to one Na(2), one Zn(2), one H(11), and one H(12) atom. In the nineteenth O site, O(19) is bonded in a distorted water-like geometry to one Na(1), one H(13), and one H(14) atom. In the twentieth O site, O(20) is bonded in a distorted water-like geometry to one Na(1), one H(15), and one H(16) atom. Linkers: 4 [O]C(=O)c1cc(C([O])=O)cc(C([O])=O)c1. Metal clusters: 4 [Na] ,4 [Zn]. The MOF has largest included sphere 2.47 A, density 1.85 g/cm3, surface area 3451.64 m2/g, accessible volume 0.09 cm3/g