NaLaC14H4O11 crystallizes in the monoclinic P2_1/c space group. Na(1) is bonded in a distorted rectangular see-saw-like geometry to one O(10), one O(9), and two equivalent O(11) atoms. The Na(1)-O(10) bond length is 2.57 Å. The Na(1)-O(9) bond length is 2.46 Å. There is one shorter (2.41 Å) and one longer (2.46 Å) Na(1)-O(11) bond length. La(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(2), one O(4), one O(5), one O(6), one O(8), and one O(9) atom. The La(1)-O(1) bond length is 2.72 Å. The La(1)-O(10) bond length is 2.63 Å. The La(1)-O(2) bond length is 2.68 Å. The La(1)-O(4) bond length is 2.55 Å. The La(1)-O(5) bond length is 2.70 Å. The La(1)-O(6) bond length is 2.72 Å. The La(1)-O(8) bond length is 2.61 Å. The La(1)-O(9) bond length is 2.60 Å. There are fourteen inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(11), one C(2), and one C(6) atom. The C(1)-C(11) bond length is 1.50 Å. The C(1)-C(2) bond length is 1.38 Å. The C(1)-C(6) bond length is 1.43 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1) and one H(1) atom. The C(2)-H(1) bond length is 0.93 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(4) and one H(2) atom. The C(3)-C(4) bond length is 1.37 Å. The C(3)-H(2) bond length is 0.93 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(12), one C(3), and one C(5) atom. The C(4)-C(12) bond length is 1.51 Å. The C(4)-C(5) bond length is 1.44 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(10), one C(4), and one C(6) atom. The C(5)-C(10) bond length is 1.44 Å. The C(5)-C(6) bond length is 1.42 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(1), one C(5), and one C(7) atom. The C(6)-C(7) bond length is 1.44 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one C(13), one C(6), and one C(8) atom. The C(7)-C(13) bond length is 1.51 Å. The C(7)-C(8) bond length is 1.37 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(7) and one H(3) atom. The C(8)-H(3) bond length is 0.93 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(10) and one H(4) atom. The C(9)-C(10) bond length is 1.37 Å. The C(9)-H(4) bond length is 0.93 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one C(14), one C(5), and one C(9) atom. The C(10)-C(14) bond length is 1.50 Å. In the eleventh C site, C(11) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(1), and one O(2) atom. The C(11)-O(1) bond length is 1.26 Å. The C(11)-O(2) bond length is 1.26 Å. In the twelfth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(7), and one O(8) atom. The C(12)-O(7) bond length is 1.26 Å. The C(12)-O(8) bond length is 1.27 Å. In the thirteenth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one C(7), one O(3), and one O(4) atom. The C(13)-O(3) bond length is 1.27 Å. The C(13)-O(4) bond length is 1.26 Å. In the fourteenth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one C(10), one O(5), and one O(6) atom. The C(14)-O(5) bond length is 1.26 Å. The C(14)-O(6) bond length is 1.26 Å. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(2) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(3) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(8) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(9) atom. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one La(1) and one C(11) atom. In the second O site, O(2) is bonded in a single-bond geometry to one La(1) and one C(11) atom. In the third O site, O(3) is bonded in a single-bond geometry to one C(13) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one La(1) and one C(13) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one La(1) and one C(14) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to one La(1) and one C(14) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to one C(12) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one La(1) and one C(12) atom. In the ninth O site, O(9) is bonded in a water-like geometry to one Na(1) and one La(1) atom. In the tenth O site, O(10) is bonded in a water-like geometry to one Na(1) and one La(1) atom. In the eleventh O site, O(11) is bonded in a water-like geometry to two equivalent Na(1) atoms. Linkers: 4 [O]C(=O)c1ccc(C([O])=O)c2c(C([O])=O)ccc(C([O])=O)c12. Metal clusters: 2 [O][La]12([O])(O[C]=O)(O[C]=O)(O[C]O1)O[C]O2.[O][La]12([O])(O[C]=O)(O[C]=O)(O[C]O1)O[C]O2.[O][Na].[O][Na]. RCSR code: scu. The MOF has largest included sphere 4.59 A, density 1.46 g/cm3, surface area 3171.95 m2/g, accessible volume 0.32 cm3/g