NaPbC5H6O6(CH3)3 crystallizes in the orthorhombic P2_12_12_1 space group. The structure consists of twelve 02329_fluka molecules inside a NaPbC5H6O6 framework. In the NaPbC5H6O6 framework, Na(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form NaO6 octahedra that share edges with three equivalent Pb(1)C2O6 hexagonal bipyramids. The Na(1)-O(1) bond length is 2.38 Å. The Na(1)-O(2) bond length is 2.37 Å. The Na(1)-O(3) bond length is 2.37 Å. The Na(1)-O(4) bond length is 2.40 Å. The Na(1)-O(5) bond length is 2.40 Å. The Na(1)-O(6) bond length is 2.39 Å. Pb(1) is bonded to one C(1), one C(2), one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form PbC2O6 hexagonal bipyramids that share edges with three equivalent Na(1)O6 octahedra. The Pb(1)-C(1) bond length is 2.18 Å. The Pb(1)-C(2) bond length is 2.19 Å. The Pb(1)-O(1) bond length is 2.55 Å. The Pb(1)-O(2) bond length is 2.55 Å. The Pb(1)-O(3) bond length is 2.55 Å. The Pb(1)-O(4) bond length is 2.61 Å. The Pb(1)-O(5) bond length is 2.61 Å. The Pb(1)-O(6) bond length is 2.61 Å. There are five inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal non-coplanar geometry to one Pb(1); one H(2); and two equivalent H(1,3) atoms. The C(1)-H(2) bond length is 1.09 Å. Both C(1)-H(1,3) bond lengths are 1.09 Å. In the second C site, C(2) is bonded in a distorted trigonal non-coplanar geometry to one Pb(1); one H(5); and two equivalent H(4,6) atoms. The C(2)-H(5) bond length is 1.09 Å. Both C(2)-H(4,6) bond lengths are 1.09 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(4) atom. The C(3)-O(1) bond length is 1.28 Å. The C(3)-O(4) bond length is 1.27 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one O(2) and one O(5) atom. The C(4)-O(2) bond length is 1.28 Å. The C(4)-O(5) bond length is 1.27 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(6) atom. The C(5)-O(3) bond length is 1.28 Å. The C(5)-O(6) bond length is 1.27 Å. There are four inequivalent H sites. In the first H site, H(1,3) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(1) atom. In the third H site, H(4,6) is bonded in a single-bond geometry to one C(2) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one C(2) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 1-coordinate geometry to one Na(1), one Pb(1), and one C(3) atom. In the second O site, O(2) is bonded in a 1-coordinate geometry to one Na(1), one Pb(1), and one C(4) atom. In the third O site, O(3) is bonded in a 1-coordinate geometry to one Na(1), one Pb(1), and one C(5) atom. In the fourth O site, O(4) is bonded in a 1-coordinate geometry to one Na(1), one Pb(1), and one C(3) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Na(1), one Pb(1), and one C(4) atom. In the sixth O site, O(6) is bonded in a 1-coordinate geometry to one Na(1), one Pb(1), and one C(5) atom. Linkers: 12 CC([O])=O. Metal clusters: 4 [Na] ,4 [Pb]. The MOF has largest included sphere 2.15 A, density 2.16 g/cm3, surface area 3288.62 m2/g, accessible volume 0.08 cm3/g