TbC18N5H12O7(CH)2 crystallizes in the monoclinic C2/c space group. The structure consists of eight 02329_fluka molecules inside a TbC18N5H12O7 framework. In the TbC18N5H12O7 framework, Tb(1) is bonded in a 8-coordinate geometry to two equivalent N(1), two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. Both Tb(1)-N(1) bond lengths are 2.57 Å. Both Tb(1)-O(1) bond lengths are 2.28 Å. Both Tb(1)-O(2) bond lengths are 2.27 Å. Both Tb(1)-O(3) bond lengths are 2.54 Å. There are nine 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 1.52 Å. The C(1)-O(1) bond length is 1.25 Å. The C(1)-O(2) bond length is 1.24 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 1.38 Å. The C(2)-C(7) bond length is 1.38 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 1.41 Å. The C(3)-H(1) bond length is 0.93 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(3), one C(5), and one C(8) atom. The C(4)-C(5) bond length is 1.38 Å. The C(4)-C(8) bond length is 1.48 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(4) and one H(2) atom. The C(5)-H(2) bond length is 0.93 Å. In the sixth C site, C(7) is bonded in a distorted single-bond geometry to one C(2) and one H(4) atom. The C(7)-H(4) bond length is 0.93 Å. In the seventh C site, C(8) is bonded in a distorted single-bond geometry to one C(4), one C(9), and one N(2) atom. The C(8)-C(9) bond length is 1.37 Å. The C(8)-N(2) bond length is 1.35 Å. In the eighth C site, C(9) is bonded in a distorted single-bond geometry to one C(8) and one H(5) atom. The C(9)-H(5) bond length is 0.93 Å. In the ninth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one N(1) and one H(6) atom. The C(10)-N(1) bond length is 1.34 Å. The C(10)-H(6) bond length is 0.93 Å. There are three inequivalent N sites. In the first N site, N(1) is bonded in a distorted single-bond geometry to one Tb(1), one C(10), and one N(2) atom. The N(1)-N(2) bond length is 1.35 Å. In the second N site, N(2) is bonded in a 1-coordinate geometry to one C(8), one N(1), and one H(7) atom. The N(2)-H(7) bond length is 0.86 Å. In the third N site, N(3) is bonded in a trigonal planar geometry to one O(4) and two equivalent O(3) atoms. The N(3)-O(4) bond length is 1.20 Å. Both N(3)-O(3) bond lengths are 1.27 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(5) atom. In the third H site, H(4) is bonded in a single-bond geometry to one C(7) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one C(9) atom. In the fifth H site, H(6) is bonded in a single-bond geometry to one C(10) atom. In the sixth H site, H(7) is bonded in a single-bond geometry to one N(2) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Tb(1) and one C(1) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Tb(1) and one C(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Tb(1) and one N(3) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one N(3) atom. Linkers: 8 [O]C(=O)c1cccc(-c2ccn[nH]2)c1. Metal clusters: 4 [Tb]. The MOF has largest included sphere 4.44 A, density 1.65 g/cm3, surface area 3721.47 m2/g, accessible volume 0.17 cm3/g