Tb2C15H6(NO2)6 crystallizes in the orthorhombic Pbca space group. There are two inequivalent Tb sites. In the first Tb site, Tb(1) is bonded in a distorted pentagonal bipyramidal geometry to one N(3), one O(1), one O(2), one O(3), one O(6), one O(8), and one O(9) atom. The Tb(1)-N(3) bond length is 2.50 Å. The Tb(1)-O(1) bond length is 2.31 Å. The Tb(1)-O(2) bond length is 2.36 Å. The Tb(1)-O(3) bond length is 2.38 Å. The Tb(1)-O(6) bond length is 2.33 Å. The Tb(1)-O(8) bond length is 2.35 Å. The Tb(1)-O(9) bond length is 2.37 Å. In the second Tb site, Tb(2) is bonded in a distorted pentagonal bipyramidal geometry to one N(1), one N(4), one O(10), one O(11), one O(4), one O(5), and one O(7) atom. The Tb(2)-N(1) bond length is 2.46 Å. The Tb(2)-N(4) bond length is 2.48 Å. The Tb(2)-O(10) bond length is 2.40 Å. The Tb(2)-O(11) bond length is 2.36 Å. The Tb(2)-O(4) bond length is 2.34 Å. The Tb(2)-O(5) bond length is 2.33 Å. The Tb(2)-O(7) bond length is 2.43 Å. There are fifteen inequivalent C sites. In the first C site, C(1) is bonded in a bent 120 degrees geometry to one C(11), one O(8), and one O(9) atom. The C(1)-C(11) bond length is 1.47 Å. The C(1)-O(8) bond length is 1.25 Å. The C(1)-O(9) bond length is 1.27 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one O(10) and one O(5) atom. The C(2)-O(10) bond length is 1.26 Å. The C(2)-O(5) bond length is 1.27 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 1.36 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one N(4) atom. The C(4)-N(4) bond length is 1.38 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one C(14), one O(6), and one O(7) atom. The C(5)-C(14) bond length is 1.49 Å. The C(5)-O(6) bond length is 1.24 Å. The C(5)-O(7) bond length is 1.25 Å. In the sixth C site, C(6) is bonded in a bent 120 degrees geometry to one O(11) and one O(4) atom. The C(6)-O(11) bond length is 1.26 Å. The C(6)-O(4) bond length is 1.26 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one O(12) and one O(2) atom. The C(7)-O(12) bond length is 1.23 Å. The C(7)-O(2) bond length is 1.24 Å. In the eighth C site, C(8) is bonded in a 3-coordinate geometry to one C(10), one C(14), and one N(6) atom. The C(8)-C(10) bond length is 1.49 Å. The C(8)-C(14) bond length is 1.36 Å. The C(8)-N(6) bond length is 1.36 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(11) and one N(5) atom. The C(9)-C(11) bond length is 1.34 Å. The C(9)-N(5) bond length is 1.36 Å. In the tenth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one C(8), one O(1), and one O(3) atom. The C(10)-O(1) bond length is 1.25 Å. The C(10)-O(3) bond length is 1.25 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(1), one C(9), and one N(3) atom. The C(11)-N(3) bond length is 1.39 Å. In the twelfth C site, C(12) is bonded in a trigonal planar geometry to one N(3), one N(5), and one H(4) atom. The C(12)-N(3) bond length is 1.32 Å. The C(12)-N(5) bond length is 1.33 Å. The C(12)-H(4) bond length is 0.93 Å. In the thirteenth C site, C(13) is bonded in a trigonal planar geometry to one N(2), one N(4), and one H(5) atom. The C(13)-N(2) bond length is 1.32 Å. The C(13)-N(4) bond length is 1.32 Å. The C(13)-H(5) bond length is 0.93 Å. In the fourteenth C site, C(14) is bonded in a distorted single-bond geometry to one C(5), one C(8), and one N(1) atom. The C(14)-N(1) bond length is 1.37 Å. In the fifteenth C site, C(15) is bonded in a trigonal planar geometry to one N(1), one N(6), and one H(6) atom. The C(15)-N(1) bond length is 1.31 Å. The C(15)-N(6) bond length is 1.35 Å. The C(15)-H(6) bond length is 0.93 Å. There are six inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Tb(2), one C(14), and one C(15) atom. In the second N site, N(2) is bonded in a distorted trigonal planar geometry to one C(13), one C(3), and one H(1) atom. The N(2)-H(1) bond length is 0.86 Å. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to one Tb(1), one C(11), and one C(12) atom. In the fourth N site, N(4) is bonded in a distorted trigonal planar geometry to one Tb(2), one C(13), and one C(4) atom. In the fifth N site, N(5) is bonded in a distorted trigonal planar geometry to one C(12), one C(9), and one H(2) atom. The N(5)-H(2) bond length is 0.86 Å. In the sixth N site, N(6) is bonded in a distorted trigonal planar geometry to one C(15), one C(8), and one H(3) atom. The N(6)-H(3) bond length is 0.86 Å. There are six inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one N(2) atom. In the second H site, H(2) is bonded in a single-bond geometry to one N(5) atom. In the third H site, H(3) is bonded in a single-bond geometry to one N(6) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(12) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(13) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(15) atom. There are twelve 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(10) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Tb(1) and one C(7) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Tb(1) and one C(10) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Tb(2) and one C(6) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Tb(2) and one C(2) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Tb(1) and one C(5) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one Tb(2) and one C(5) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one Tb(1) and one C(1) atom. In the ninth O site, O(9) is bonded in a bent 120 degrees geometry to one Tb(1) and one C(1) atom. In the tenth O site, O(10) is bonded in a distorted bent 120 degrees geometry to one Tb(2) and one C(2) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one Tb(2) and one C(6) atom. In the twelfth O site, O(12) is bonded in a single-bond geometry to one C(7) atom. Linkers: 23 [O]C(=O)c1nc[nH]c1C([O])=O. Metal clusters: 16 [Tb]. The MOF has largest included sphere 4.54 A, density 1.85 g/cm3, surface area 2408.01 m2/g, accessible volume 0.28 cm3/g