CeC7H4(NO3)2 crystallizes in the monoclinic P2_1/c space group. There are two inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 9-coordinate geometry to one N(2), one N(3), one O(10), one O(11), one O(12), one O(3), one O(5), one O(8), and one O(9) atom. The Ce(1)-N(2) bond length is 2.70 Å. The Ce(1)-N(3) bond length is 2.70 Å. The Ce(1)-O(10) bond length is 2.49 Å. The Ce(1)-O(11) bond length is 2.55 Å. The Ce(1)-O(12) bond length is 2.51 Å. The Ce(1)-O(3) bond length is 2.49 Å. The Ce(1)-O(5) bond length is 2.53 Å. The Ce(1)-O(8) bond length is 2.51 Å. The Ce(1)-O(9) bond length is 2.54 Å. In the second Ce site, Ce(2) is bonded in a distorted pentagonal planar geometry to one O(1), one O(2), one O(4), one O(6), and one O(7) atom. The Ce(2)-O(1) bond length is 2.45 Å. The Ce(2)-O(2) bond length is 2.45 Å. The Ce(2)-O(4) bond length is 2.41 Å. The Ce(2)-O(6) bond length is 2.39 Å. The Ce(2)-O(7) bond length is 2.49 Å. There are fourteen 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 1.26 Å. The C(1)-O(2) bond length is 1.24 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one N(1) atom. The C(2)-N(1) bond length is 1.38 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one N(2) atom. The C(3)-N(2) bond length is 1.39 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 1.27 Å. The C(4)-O(4) bond length is 1.24 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(6), one N(1), and one N(2) atom. The C(5)-C(6) bond length is 1.50 Å. The C(5)-N(1) bond length is 1.35 Å. The C(5)-N(2) bond length is 1.32 Å. In the sixth C site, C(6) is bonded in a trigonal non-coplanar geometry to one C(5) and three equivalent H(3,4,5) atoms. All C(6)-H(3,4,5) bond lengths are 0.96 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(8), one O(5), and one O(6) atom. The C(7)-C(8) bond length is 1.49 Å. The C(7)-O(5) bond length is 1.25 Å. The C(7)-O(6) bond length is 1.24 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(7), one C(9), and one N(3) atom. The C(8)-C(9) bond length is 1.38 Å. The C(8)-N(3) bond length is 1.38 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(10), one C(8), and one N(4) atom. The C(9)-C(10) bond length is 1.50 Å. The C(9)-N(4) bond length is 1.38 Å. In the tenth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one C(9), one O(7), and one O(8) atom. The C(10)-O(7) bond length is 1.26 Å. The C(10)-O(8) bond length is 1.24 Å. In the eleventh C site, C(11) is bonded in a distorted trigonal planar geometry to one C(12), one N(3), and one N(4) atom. The C(11)-C(12) bond length is 1.49 Å. The C(11)-N(3) bond length is 1.33 Å. The C(11)-N(4) bond length is 1.34 Å. In the twelfth C site, C(12) is bonded in a trigonal non-coplanar geometry to one C(11) and three equivalent H(6,7,8) atoms. All C(12)-H(6,7,8) bond lengths are 0.96 Å. In the thirteenth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one O(10) and one O(9) atom. The C(13)-O(10) bond length is 1.24 Å. The C(13)-O(9) bond length is 1.25 Å. In the fourteenth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one O(11) and one O(12) atom. The C(14)-O(11) bond length is 1.25 Å. The C(14)-O(12) bond length is 1.26 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one C(2), one C(5), and one H(1) atom. The N(1)-H(1) bond length is 0.86 Å. In the second N site, N(2) is bonded in a distorted water-like geometry to one Ce(1), one C(3), and one C(5) atom. In the third N site, N(3) is bonded in a distorted water-like geometry to one Ce(1), one C(11), and one C(8) atom. In the fourth N site, N(4) is bonded in a trigonal planar geometry to one C(11), one C(9), and one H(2) atom. The N(4)-H(2) bond length is 0.86 Å. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one N(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one N(4) atom. In the third H site, H(3,4,5) is bonded in a single-bond geometry to one C(6) atom. In the fourth H site, H(6,7,8) is bonded in a single-bond geometry to one C(12) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Ce(2) and one C(1) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Ce(2) and one C(1) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Ce(1) and one C(4) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Ce(2) and one C(4) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Ce(1) and one C(7) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Ce(2) and one C(7) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one Ce(2) and one C(10) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Ce(1) and one C(10) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Ce(1) and one C(13) atom. In the tenth O site, O(10) is bonded in a distorted bent 120 degrees geometry to one Ce(1) and one C(13) atom. In the eleventh O site, O(11) is bonded in a distorted bent 120 degrees geometry to one Ce(1) and one C(14) atom. In the twelfth O site, O(12) is bonded in a distorted bent 120 degrees geometry to one Ce(1) and one C(14) atom. Linkers: 8 Cc1nc(C([O])=O)c(C([O])=O)[nH]1 ,4 [O]C(=O)C([O])=O. Metal clusters: 8 [Ce]. The MOF has largest included sphere 4.72 A, density 1.76 g/cm3, surface area 2885.55 m2/g, accessible volume 0.26 cm3/g