TbH6(C4O3)3 is Indium-like structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two TbH6(C4O3)3 clusters. There are two inequivalent Tb sites. In the first Tb site, Tb(1) is bonded in a 7-coordinate geometry to one O(1), one O(14), one O(17), one O(18), one O(5), one O(6), and one O(8) atom. The Tb(1)-O(1) bond length is 2.35 Å. The Tb(1)-O(14) bond length is 2.39 Å. The Tb(1)-O(17) bond length is 2.61 Å. The Tb(1)-O(18) bond length is 2.41 Å. The Tb(1)-O(5) bond length is 2.34 Å. The Tb(1)-O(6) bond length is 2.91 Å. The Tb(1)-O(8) bond length is 2.31 Å. In the second Tb site, Tb(2) is bonded in a 7-coordinate geometry to one O(12), one O(2), one O(3), one O(4), one O(6), one O(7), and one O(8) atom. The Tb(2)-O(12) bond length is 2.53 Å. The Tb(2)-O(2) bond length is 2.38 Å. The Tb(2)-O(3) bond length is 2.38 Å. The Tb(2)-O(4) bond length is 2.33 Å. The Tb(2)-O(6) bond length is 2.35 Å. The Tb(2)-O(7) bond length is 2.39 Å. The Tb(2)-O(8) bond length is 2.90 Å. There are twenty-four inequivalent C sites. In the first C site, C(1) is bonded in a bent 120 degrees geometry to one C(24), one O(1), and one O(2) atom. The C(1)-C(24) 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 1.23 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(7), and one O(8) atom. The C(2)-C(3) bond length is 1.50 Å. The C(2)-O(7) bond length is 1.27 Å. The C(2)-O(8) bond length is 1.25 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(2), one C(4), and one C(6) atom. The C(3)-C(4) bond length is 1.39 Å. The C(3)-C(6) bond length is 1.40 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(3) and one H(1) atom. The C(4)-H(1) bond length is 0.93 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(17) and one O(13) atom. The C(5)-C(17) bond length is 1.40 Å. The C(5)-O(13) bond length is 1.37 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(3) and one O(9) atom. The C(6)-O(9) bond length is 1.37 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(17) and one H(2) atom. The C(7)-C(17) bond length is 1.40 Å. The C(7)-H(2) bond length is 0.93 Å. In the eighth C site, C(8) is bonded in a bent 120 degrees geometry to one C(9), one O(12), and one O(3) atom. The C(8)-C(9) bond length is 1.49 Å. The C(8)-O(12) bond length is 1.26 Å. The C(8)-O(3) bond length is 1.27 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one C(10), one C(14), and one C(8) atom. The C(9)-C(10) bond length is 1.40 Å. The C(9)-C(14) bond length is 1.40 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(9) and one H(4) atom. The C(10)-H(4) bond length is 0.93 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(12) and one O(11) atom. The C(11)-C(12) bond length is 1.40 Å. The C(11)-O(11) bond length is 1.38 Å. In the twelfth C site, C(12) is bonded in a trigonal planar geometry to one C(11), one C(13), and one C(15) atom. The C(12)-C(13) bond length is 1.39 Å. The C(12)-C(15) bond length is 1.49 Å. In the thirteenth C site, C(13) is bonded in a distorted single-bond geometry to one C(12) and one H(5) atom. 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(9) and one O(10) atom. The C(14)-O(10) bond length is 1.38 Å. In the fifteenth C site, C(15) is bonded in a bent 120 degrees geometry to one C(12), one O(17), and one O(18) atom. The C(15)-O(17) bond length is 1.27 Å. The C(15)-O(18) bond length is 1.26 Å. In the sixteenth C site, C(16) is bonded in a bent 120 degrees geometry to one C(17), one O(14), and one O(6) atom. The C(16)-C(17) bond length is 1.49 Å. The C(16)-O(14) bond length is 1.27 Å. The C(16)-O(6) bond length is 1.25 Å. In the seventeenth C site, C(17) is bonded in a trigonal planar geometry to one C(16), one C(5), and one C(7) atom. In the eighteenth C site, C(18) is bonded in a bent 120 degrees geometry to one C(19), one O(4), and one O(5) atom. The C(18)-C(19) bond length is 1.48 Å. The C(18)-O(4) bond length is 1.27 Å. The C(18)-O(5) bond length is 1.26 Å. In the nineteenth C site, C(19) is bonded in a trigonal planar geometry to one C(18), one C(20), and one C(22) atom. The C(19)-C(20) bond length is 1.41 Å. The C(19)-C(22) bond length is 1.39 Å. In the twentieth C site, C(20) is bonded in a single-bond geometry to one C(19) and one H(9) atom. The C(20)-H(9) bond length is 0.93 Å. In the twenty-first C site, C(21) is bonded in a distorted single-bond geometry to one C(24) and one O(16) atom. The C(21)-C(24) bond length is 1.43 Å. The C(21)-O(16) bond length is 1.37 Å. In the twenty-second C site, C(22) is bonded in a distorted single-bond geometry to one C(19) and one O(15) atom. The C(22)-O(15) bond length is 1.35 Å. In the twenty-third C site, C(23) is bonded in a distorted single-bond geometry to one C(24) and one H(11) atom. The C(23)-C(24) bond length is 1.39 Å. The C(23)-H(11) bond length is 0.93 Å. In the twenty-fourth C site, C(24) is bonded in a trigonal planar geometry to one C(1), one C(21), and one C(23) atom. There are twelve inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(4) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(7) atom. In the third H site, H(3) is bonded in a single-bond geometry to one O(9) atom. The H(3)-O(9) bond length is 0.82 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(10) 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 O(10) atom. The H(6)-O(10) bond length is 0.82 Å. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(11) atom. The H(7)-O(11) bond length is 0.82 Å. In the eighth H site, H(8) is bonded in a single-bond geometry to one O(13) atom. The H(8)-O(13) bond length is 0.82 Å. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(20) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one O(15) atom. The H(10)-O(15) bond length is 0.82 Å. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(23) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one O(16) atom. The H(12)-O(16) bond length is 0.82 Å. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Tb(1) and one C(1) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Tb(2) and one C(1) atom. In the third O site, O(3) is bonded in an L-shaped geometry to one Tb(2) and one C(8) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Tb(2) and one C(18) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Tb(1) and one C(18) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Tb(1), one Tb(2), and one C(16) atom. In the seventh O site, O(7) is bonded in a distorted water-like geometry to one Tb(2) and one C(2) atom. In the eighth O site, O(8) is bonded in a distorted linear geometry to one Tb(1), one Tb(2), and one C(2) atom. In the ninth O site, O(9) is bonded in a distorted water-like geometry to one C(6) and one H(3) atom. In the tenth O site, O(10) is bonded in a water-like geometry to one C(14) and one H(6) atom. In the eleventh O site, O(11) is bonded in a water-like geometry to one C(11) and one H(7) atom. In the twelfth O site, O(12) is bonded in a distorted L-shaped geometry to one Tb(2) and one C(8) atom. In the thirteenth O site, O(13) is bonded in a water-like geometry to one C(5) and one H(8) atom. In the fourteenth O site, O(14) is bonded in a distorted water-like geometry to one Tb(1) and one C(16) atom. In the fifteenth O site, O(15) is bonded in a distorted single-bond geometry to one C(22) and one H(10) atom. In the sixteenth O site, O(16) is bonded in a water-like geometry to one C(21) and one H(12) atom. In the seventeenth O site, O(17) is bonded in a single-bond geometry to one Tb(1) and one C(15) atom. In the eighteenth O site, O(18) is bonded in a distorted water-like geometry to one Tb(1) and one C(15) atom. Linkers: 6 [O]C(=O)c1cc(O)c(C([O])=O)cc1O. Metal clusters: 2 [C]1O[Tb]234(O1)O[C]O[Tb]1(O[C]O1)(O[C]O2)(O[C]O3)O[C]O4. RCSR code: pcu. The MOF has largest included sphere 4.40 A, density 1.70 g/cm3, surface area 3056.92 m2/g, accessible volume 0.26 cm3/g