LaC6H8(N2O)5CH crystallizes in the monoclinic C2 space group. The structure consists of four 02329_fluka molecules inside a LaC6H8(N2O)5 framework. In the LaC6H8(N2O)5 framework, there are two inequivalent La sites. In the first La site, La(1) is bonded in a 9-coordinate geometry to two equivalent N(1), two equivalent N(5), one O(3), two equivalent O(1), and two equivalent O(5) atoms. Both La(1)-N(1) bond lengths are 2.64 Å. Both La(1)-N(5) bond lengths are 2.87 Å. The La(1)-O(3) bond length is 2.71 Å. Both La(1)-O(1) bond lengths are 2.38 Å. Both La(1)-O(5) bond lengths are 2.55 Å. In the second La site, La(2) is bonded in a 9-coordinate geometry to two equivalent N(2), two equivalent N(6), one O(4), two equivalent O(2), and two equivalent O(6) atoms. Both La(2)-N(2) bond lengths are 2.64 Å. Both La(2)-N(6) bond lengths are 2.87 Å. The La(2)-O(4) bond length is 2.71 Å. Both La(2)-O(2) bond lengths are 2.38 Å. Both La(2)-O(6) bond lengths are 2.55 Å. There are five inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(2), one N(1), and one N(2) atom. The C(1)-C(2) bond length is 1.45 Å. The C(1)-N(1) bond length is 1.34 Å. The C(1)-N(2) bond length is 1.34 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one N(5), and one N(6) atom. The C(2)-N(5) bond length is 1.34 Å. The C(2)-N(6) bond length is 1.35 Å. In the third C site, C(3,4) is bonded in a distorted bent 120 degrees geometry to one N(5) and one H(1) atom. The C(3,4)-N(5) bond length is 1.34 Å. The C(3,4)-H(1) bond length is 1.09 Å. In the fourth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(7), one N(7), and one N(8) atom. The C(6)-C(7) bond length is 1.48 Å. The C(6)-N(7) bond length is 1.35 Å. The C(6)-N(8) bond length is 1.35 Å. In the fifth C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(6), one O(1), and one O(2) atom. The C(7)-O(1) bond length is 1.27 Å. The C(7)-O(2) bond length is 1.27 Å. There are nine inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one La(1); one C(1); and one N(3,4) atom. The N(1)-N(3,4) bond length is 1.35 Å. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one La(2); one C(1); and one N(3,4) atom. The N(2)-N(3,4) bond length is 1.35 Å. In the third N site, N(3,4) is bonded in a water-like geometry to one N(1) and one N(3,4) atom. The N(3,4)-N(3,4) bond length is 1.32 Å. In the fourth N site, N(5) is bonded in a distorted bent 120 degrees geometry to one La(1); one C(2); and one C(3,4) atom. In the fifth N site, N(6) is bonded in a distorted bent 120 degrees geometry to one La(2); one C(2); and one C(3,4) atom. The N(6)-C(3,4) bond length is 1.34 Å. In the sixth N site, N(7) is bonded in a distorted single-bond geometry to one C(6) and one N(9) atom. The N(7)-N(9) bond length is 1.34 Å. In the seventh N site, N(8) is bonded in a distorted single-bond geometry to one C(6) and one N(10) atom. The N(8)-N(10) bond length is 1.34 Å. In the eighth N site, N(9) is bonded in a 3-coordinate geometry to one N(10), one N(7), and one H(6) atom. The N(9)-N(10) bond length is 1.33 Å. The N(9)-H(6) bond length is 1.80 Å. In the ninth N site, N(10) is bonded in a 3-coordinate geometry to one N(8), one N(9), and one H(7) atom. The N(10)-H(7) bond length is 1.80 Å. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3,4) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(3,4) atom. The H(2)-C(3,4) bond length is 1.09 Å. In the third H site, H(4,5) is bonded in a single-bond geometry to one O(3) atom. The H(4,5)-O(3) bond length is 0.97 Å. In the fourth H site, H(6) is bonded in a single-bond geometry to one N(9) and one O(5) atom. The H(6)-O(5) bond length is 1.00 Å. In the fifth H site, H(7) is bonded in a single-bond geometry to one N(10) and one O(6) atom. The H(7)-O(6) bond length is 1.00 Å. In the sixth H site, H(8) is bonded in a single-bond geometry to one O(5) atom. The H(8)-O(5) bond length is 1.00 Å. In the seventh H site, H(9) is bonded in a single-bond geometry to one O(6) atom. The H(9)-O(6) bond length is 1.00 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one La(1) and one C(7) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one La(2) and one C(7) atom. In the third O site, O(3) is bonded in a water-like geometry to one La(1) and two equivalent H(4,5) atoms. In the fourth O site, O(4) is bonded in a water-like geometry to one La(2) and two equivalent H(4,5) atoms. Both O(4)-H(4,5) bond lengths are 0.97 Å. In the fifth O site, O(5) is bonded in a distorted water-like geometry to one La(1), one H(6), and one H(8) atom. In the sixth O site, O(6) is bonded in a distorted water-like geometry to one La(2), one H(7), and one H(9) atom. Linkers: 2 c1cnc(C2=NN=N[N]2)nc1. Metal clusters: 2 [La]. The MOF has largest included sphere 2.41 A, density 2.04 g/cm3, surface area 3292.72 m2/g, accessible volume 0.13 cm3/g