LaC18H12(NO3)2(CH)6 crystallizes in the orthorhombic Pccn space group. The structure consists of twenty-four 02329_fluka molecules inside a LaC18H12(NO3)2 framework. In the LaC18H12(NO3)2 framework, La(1) is bonded in a distorted pentagonal pyramidal geometry to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. Both La(1)-O(1) bond lengths are 2.56 Å. Both La(1)-O(2) bond lengths are 2.41 Å. Both La(1)-O(3) bond lengths are 2.49 Å. There are nine inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(12), one C(3), and one C(7) atom. The C(1)-C(12) bond length is 1.51 Å. The C(1)-C(3) bond length is 1.38 Å. The C(1)-C(7) bond length is 1.42 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(6), one N(1), and one H(1) atom. The C(2)-C(6) bond length is 1.39 Å. The C(2)-N(1) bond length is 1.33 Å. 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(1) and one H(2) atom. 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(4), one C(5), and one C(6) atom. The C(4)-C(4) bond length is 1.48 Å. The C(4)-C(5) bond length is 1.38 Å. The C(4)-C(6) bond length is 1.38 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(4), one C(9), and one H(3) atom. The C(5)-C(9) bond length is 1.36 Å. The C(5)-H(3) bond length is 0.93 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(2), one C(4), and one H(4) atom. The C(6)-H(4) bond length is 0.93 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(1) and one H(5) atom. The C(7)-H(5) bond length is 0.93 Å. In the eighth C site, C(9) is bonded in a distorted trigonal planar geometry to one C(5), one N(1), and one H(7) atom. The C(9)-N(1) bond length is 1.35 Å. The C(9)-H(7) bond length is 0.93 Å. In the ninth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(2), and one O(3) atom. The C(12)-O(2) bond length is 1.27 Å. The C(12)-O(3) bond length is 1.24 Å. N(1) is bonded in a trigonal planar geometry to one C(2), one C(9), and one O(1) atom. The N(1)-O(1) bond length is 1.34 Å. There are six 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(5) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(6) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(7) atom. In the sixth H site, H(7) is bonded in a single-bond geometry to one C(9) atom. There are three inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one La(1) and one N(1) atom. In the second O site, O(2) is bonded in a distorted linear geometry to one La(1) and one C(12) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one La(1) and one C(12) atom. Linkers: 5 [O-][n+]1ccc(-c2cc[n+]([O-])cc2)cc1. Metal clusters: 4 [La]. The MOF has largest included sphere 5.70 A, density 1.05 g/cm3, surface area 4566.26 m2/g, accessible volume 0.51 cm3/g