LaC6NH8O7 crystallizes in the orthorhombic P2_12_12_1 space group. La(1) is bonded in a 9-coordinate geometry to one N(1), one O(1), one O(2), one O(3), one O(4), one O(6), one O(7), and two equivalent O(5) atoms. The La(1)-N(1) bond length is 2.88 Å. The La(1)-O(1) bond length is 2.51 Å. The La(1)-O(2) bond length is 2.45 Å. The La(1)-O(3) bond length is 2.57 Å. The La(1)-O(4) bond length is 2.62 Å. The La(1)-O(6) bond length is 2.52 Å. The La(1)-O(7) bond length is 2.55 Å. There is one shorter (2.58 Å) and one longer (2.66 Å) La(1)-O(5) bond length. There are six 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 1.28 Å. The C(1)-O(2) bond length is 1.26 Å. In the second C site, C(2) is bonded in a distorted trigonal non-coplanar geometry to one N(1) and two equivalent H(1,2) atoms. The C(2)-N(1) bond length is 1.47 Å. Both C(2)-H(1,2) bond lengths are 1.10 Å. In the third C site, C(3) is bonded in a distorted trigonal non-coplanar geometry to one N(1), one H(3), and one H(4) atom. The C(3)-N(1) bond length is 1.47 Å. The C(3)-H(3) bond length is 1.10 Å. The C(3)-H(4) bond length is 1.10 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. The C(4)-O(3) bond length is 1.28 Å. The C(4)-O(4) bond length is 1.26 Å. In the fifth C site, C(5) is bonded in a distorted trigonal non-coplanar geometry to one N(1), one H(5), and one H(6) atom. The C(5)-N(1) bond length is 1.47 Å. The C(5)-H(5) bond length is 1.10 Å. The C(5)-H(6) bond length is 1.10 Å. In the sixth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one O(5) and one O(6) atom. The C(6)-O(5) bond length is 1.29 Å. The C(6)-O(6) bond length is 1.25 Å. N(1) is bonded in a trigonal non-coplanar geometry to one La(1), one C(2), one C(3), and one C(5) atom. There are seven inequivalent H sites. In the first H site, H(1,2) is bonded in a single-bond geometry to one C(2) atom. In the second H site, H(3) is bonded in a single-bond geometry to one C(3) atom. In the third H site, H(4) is bonded in a single-bond geometry to one C(3) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one C(5) atom. In the fifth H site, H(6) is bonded in a single-bond geometry to one C(5) atom. In the sixth H site, H(7) is bonded in a single-bond geometry to one O(7) atom. The H(7)-O(7) bond length is 1.00 Å. In the seventh H site, H(8) is bonded in a single-bond geometry to one O(7) atom. The H(8)-O(7) bond length is 0.99 Å. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one La(1) and one C(1) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one La(1) and one C(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one La(1) and one C(4) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one La(1) and one C(4) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to two equivalent La(1) and one C(6) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one La(1) and one C(6) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one La(1), one H(7), and one H(8) atom. Linkers: 4 [O]C(=O)CN(CC([O])=O)CC([O])=O. Metal clusters: 4 [La]. The MOF has largest included sphere 1.73 A, density 2.61 g/cm3, surface area 2185.06 m2/g, accessible volume 0.05 cm3/g