LaC11H6(NO4)2 crystallizes in the triclinic P-1 space group. La(1) is bonded in a 9-coordinate geometry to one O(1), one O(3), one O(4), one O(5), one O(6), one O(7), one O(8), and two equivalent O(2) atoms. The La(1)-O(1) bond length is 2.59 Å. The La(1)-O(3) bond length is 2.52 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 2.51 Å. The La(1)-O(7) bond length is 2.59 Å. The La(1)-O(8) bond length is 2.54 Å. There is one shorter (2.53 Å) and one longer (2.76 Å) La(1)-O(2) bond length. There are eleven 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 1.50 Å. The C(1)-O(1) bond length is 1.27 Å. The C(1)-O(2) bond length is 1.29 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(7) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-C(7) bond length is 1.41 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(4), and one H(1) atom. The C(3)-C(4) bond length is 1.39 Å. The C(3)-H(1) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3), one C(5), and one N(2) atom. The C(4)-C(5) bond length is 1.41 Å. The C(4)-N(2) bond length is 1.39 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one C(6), and one N(1) atom. The C(5)-C(6) bond length is 1.40 Å. The C(5)-N(1) bond length is 1.39 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(5), one C(7), and one H(2) atom. The C(6)-C(7) bond length is 1.39 Å. The C(6)-H(2) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(2), one C(6), and one H(3) atom. The C(7)-H(3) bond length is 1.09 Å. In the eighth C site, C(8) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(4) atom. The C(8)-N(1) bond length is 1.34 Å. The C(8)-N(2) bond length is 1.34 Å. The C(8)-H(4) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. The C(9)-O(3) bond length is 1.27 Å. The C(9)-O(4) bond length is 1.26 Å. In the tenth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one O(5) and one O(6) atom. The C(10)-O(5) bond length is 1.27 Å. The C(10)-O(6) bond length is 1.26 Å. In the eleventh C site, C(11) is bonded in a distorted bent 120 degrees geometry to one O(7) and one O(8) atom. The C(11)-O(7) bond length is 1.27 Å. The C(11)-O(8) bond length is 1.26 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one C(5), one C(8), and one H(5) atom. The N(1)-H(5) bond length is 1.06 Å. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(4), one C(8), and one H(6) atom. The N(2)-H(6) bond length is 1.02 Å. There are six inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(3) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(6) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(7) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(8) atom. In the fifth H site, H(5) is bonded in a distorted linear geometry to one N(1) and one O(5) atom. The H(5)-O(5) bond length is 1.68 Å. In the sixth H site, H(6) is bonded in a single-bond geometry to one N(2) atom. There are eight 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 two equivalent La(1) and one C(1) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one La(1) and one C(9) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one La(1) and one C(9) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one La(1), one C(10), and one H(5) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one La(1) and one C(10) atom. In the seventh O site, O(7) is bonded in a distorted single-bond geometry to one La(1) and one C(11) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one La(1) and one C(11) atom. Linkers: 3 [O]C(=O)C([O])=O. Metal clusters: 2 [La]. RCSR code: hcb. The MOF has largest included sphere 2.84 A, density 2.13 g/cm3, surface area 2920.23 m2/g, accessible volume 0.13 cm3/g