La2C4NO12 crystallizes in the orthorhombic Pnnm space group. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 8-coordinate geometry to one O(5), one O(6), two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. The La(1)-O(5) bond length is 2.49 Å. The La(1)-O(6) bond length is 2.56 Å. Both La(1)-O(1) bond lengths are 2.57 Å. Both La(1)-O(2) bond lengths are 2.65 Å. Both La(1)-O(3) bond lengths are 2.47 Å. In the second La site, La(2) is bonded in a 10-coordinate geometry to one O(5), one O(6), two equivalent O(2), two equivalent O(4), two equivalent O(7), and two equivalent O(8) atoms. The La(2)-O(5) bond length is 2.46 Å. The La(2)-O(6) bond length is 2.62 Å. Both La(2)-O(2) bond lengths are 2.70 Å. Both La(2)-O(4) bond lengths are 2.48 Å. There is one shorter (2.49 Å) and one longer (2.61 Å) La(2)-O(7) bond length. Both La(2)-O(8) bond lengths are 2.74 Å. There are two inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(2) atom. The C(1)-O(1) bond length is 1.24 Å. The C(1)-O(2) bond length is 1.26 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. The C(2)-O(3) bond length is 1.26 Å. The C(2)-O(4) bond length is 1.24 Å. N(1) is bonded in a trigonal planar geometry to one O(5), one O(6), and one O(7) atom. The N(1)-O(5) bond length is 1.28 Å. The N(1)-O(6) bond length is 1.29 Å. The N(1)-O(7) bond length is 1.26 Å. There are eight inequivalent O sites. In the first O site, O(8) is bonded in a water-like geometry to two equivalent La(2) atoms. In the second O site, O(5) is bonded in a 3-coordinate geometry to one La(1), one La(2), and one N(1) atom. In the third O site, O(6) is bonded in a distorted single-bond geometry to one La(1), one La(2), and one N(1) atom. In the fourth O site, O(7) is bonded in a 3-coordinate geometry to two equivalent La(2) and one N(1) atom. In the fifth O site, O(1) is bonded in a distorted single-bond geometry to one La(1) and one C(1) atom. In the sixth O site, O(2) is bonded in a distorted single-bond geometry to one La(1), one La(2), and one C(1) atom. In the seventh O site, O(3) is bonded in a bent 120 degrees geometry to one La(1) and one C(2) atom. In the eighth O site, O(4) is bonded in a bent 120 degrees geometry to one La(2) and one C(2) atom. Linkers: 8 [O]C(=O)C([O])=O. Metal clusters: 8 [La]. The MOF has largest included sphere 5.37 A, density 2.49 g/cm3, surface area 1919.87 m2/g, accessible volume 0.17 cm3/g