NdCd2H6(C3O2)6 crystallizes in the tetragonal P4_2/ncm space group. Nd(1) is bonded in a 4-coordinate geometry to two equivalent O(2) and two equivalent O(5) atoms. Both Nd(1)-O(2) bond lengths are 2.39 Å. Both Nd(1)-O(5) bond lengths are 2.39 Å. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded in a distorted L-shaped geometry to two equivalent O(1) atoms. Both Cd(1)-O(1) bond lengths are 2.24 Å. In the second Cd site, Cd(2) is bonded in a 3-coordinate geometry to one Cd(2), two equivalent O(4), and two equivalent O(6) atoms. The Cd(2)-Cd(2) bond length is 0.86 Å. Both Cd(2)-O(4) bond lengths are 2.07 Å. Both Cd(2)-O(6) bond lengths are 2.50 Å. There are nine inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(3), one C(6), and one C(8) atom. The C(1)-C(3) bond length is 1.37 Å. The C(1)-C(6) bond length is 1.38 Å. The C(1)-C(8) bond length is 1.50 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(4), one C(5), and one C(6) atom. The C(2)-C(4) bond length is 1.49 Å. The C(2)-C(5) bond length is 1.41 Å. The C(2)-C(6) bond length is 1.39 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(1), one C(9), and one H(1) atom. The C(3)-C(9) 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 bent 120 degrees geometry to one C(2), one O(1), and one O(5) atom. The C(4)-O(1) bond length is 1.24 Å. The C(4)-O(5) bond length is 1.28 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(2), one C(9), and one H(2) atom. The C(5)-C(9) bond length is 1.37 Å. The C(5)-H(2) bond length is 0.93 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(1), one C(2), and one H(3) atom. The C(6)-H(3) bond length is 0.93 Å. In the seventh C site, C(7) is bonded in a bent 120 degrees geometry to one C(9), one O(4), and one O(6) atom. The C(7)-C(9) bond length is 1.48 Å. The C(7)-O(4) bond length is 1.19 Å. The C(7)-O(6) bond length is 1.25 Å. In the eighth C site, C(8) is bonded in a bent 120 degrees geometry to one C(1), one O(2), and one O(3) atom. The C(8)-O(2) bond length is 1.26 Å. The C(8)-O(3) bond length is 1.28 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one C(3), one C(5), and one C(7) atom. There are three 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(3) is bonded in a single-bond geometry to one C(6) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Cd(1) and one C(4) atom. In the second O site, O(2) is bonded in a distorted linear geometry to one Nd(1) and one C(8) atom. In the third O site, O(3) is bonded in a single-bond geometry to one C(8) atom. In the fourth O site, O(4) is bonded in a water-like geometry to one Cd(2) and one C(7) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Nd(1) and one C(4) atom. In the sixth O site, O(6) is bonded in a distorted L-shaped geometry to one Cd(2) and one C(7) atom. Linkers: 16 [O]C(=O)c1cc(C([O])=O)cc(C([O])=O)c1. Metal clusters: 8 [C]1O[Cd]234O[C]O[Nd]2(O1)(O[C]O3)O[C]O4 ,4 [C]1O[Cd]2([Cd]34(O[C]O3)O[C]O4)(O1)O[C]O2. RCSR code: mmm. The MOF has largest included sphere 11.09 A, density 1.05 g/cm3, surface area 2768.09 m2/g, accessible volume 0.69 cm3/g