LaC8NH5O7CH3 crystallizes in the monoclinic P2_1/c space group. The structure consists of four 02329_fluka molecules inside a LaC8NH5O7 framework. In the LaC8NH5O7 framework, 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(5), one O(6), and two equivalent O(7) atoms. The La(1)-N(1) bond length is 2.75 Å. The La(1)-O(1) bond length is 2.50 Å. The La(1)-O(2) bond length is 2.50 Å. The La(1)-O(3) bond length is 2.51 Å. The La(1)-O(4) bond length is 2.53 Å. The La(1)-O(5) bond length is 2.64 Å. The La(1)-O(6) bond length is 2.56 Å. There is one shorter (2.46 Å) and one longer (2.70 Å) La(1)-O(7) bond length. There are eight 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 1.27 Å. The C(1)-O(2) bond length is 1.27 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(6) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-C(6) bond length is 1.40 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one C(2), one N(1), and one H(3) atom. The C(3)-N(1) bond length is 1.34 Å. The C(3)-H(3) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(5), one C(7), and one N(1) atom. The C(4)-C(5) bond length is 1.40 Å. The C(4)-C(7) bond length is 1.50 Å. The C(4)-N(1) bond length is 1.35 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(4) and one H(4) atom. The C(5)-H(4) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(2) and one H(5) atom. The C(6)-H(5) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(3), and one O(4) atom. The C(7)-O(3) bond length is 1.26 Å. The C(7)-O(4) bond length is 1.28 Å. In the eighth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one O(6) and one O(7) atom. The C(9)-O(6) bond length is 1.27 Å. The C(9)-O(7) bond length is 1.29 Å. N(1) is bonded in a distorted trigonal planar geometry to one La(1), one C(3), and one C(4) atom. There are five inequivalent H sites. In the first H site, H(1) is bonded in a distorted single-bond geometry to one O(4) and one O(5) atom. The H(1)-O(4) bond length is 1.67 Å. The H(1)-O(5) bond length is 1.00 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(5) atom. The H(2)-O(5) bond length is 0.97 Å. In the third H site, H(3) is bonded in a single-bond geometry to one C(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(5) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(6) atom. 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 single-bond 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(7) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one La(1), one C(7), and one H(1) atom. In the fifth O site, O(5) is bonded in a water-like geometry to one La(1), one H(1), and one H(2) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one La(1) and one C(9) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to two equivalent La(1) and one C(9) atom. Linkers: 4 [O]C(=O)c1ccc(C([O])=O)nc1. Metal clusters: 4 [La]. The MOF has largest included sphere 3.43 A, density 1.92 g/cm3, surface area 3271.15 m2/g, accessible volume 0.11 cm3/g