NdH8(C2O)8 is Tungsten structured and crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of two NdH8(C2O)8 clusters. Nd(1) is bonded in a 8-coordinate geometry to one O(1), one O(3), one O(4), one O(6), one O(7), one O(8), and two equivalent O(2) atoms. The Nd(1)-O(1) bond length is 2.53 Å. The Nd(1)-O(3) bond length is 2.44 Å. The Nd(1)-O(4) bond length is 2.43 Å. The Nd(1)-O(6) bond length is 2.40 Å. The Nd(1)-O(7) bond length is 2.50 Å. The Nd(1)-O(8) bond length is 2.58 Å. There is one shorter (2.43 Å) and one longer (2.66 Å) Nd(1)-O(2) bond length. There are sixteen inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(2), one C(6), and one C(7) atom. The C(1)-C(2) bond length is 1.38 Å. The C(1)-C(6) bond length is 1.39 Å. The C(1)-C(7) bond length is 1.49 Å. In the second C site, C(2) is bonded in a distorted single-bond geometry to one C(1) and one H(1) atom. The C(2)-H(1) bond length is 0.93 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(4) and one H(2,3) atom. The C(3)-C(4) bond length is 1.37 Å. The C(3)-H(2,3) 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 1.37 Å. The C(4)-C(8) bond length is 1.51 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(4) and one H(2,3) atom. The C(5)-H(2,3) 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) and one H(4) atom. The C(6)-H(4) bond length is 0.93 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(1), and one O(2) atom. The C(7)-O(1) bond length is 1.24 Å. The C(7)-O(2) bond length is 1.27 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(4), one O(3), and one O(4) atom. The C(8)-O(3) bond length is 1.25 Å. The C(8)-O(4) bond length is 1.26 Å. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(10), one O(5), and one O(6) atom. The C(9)-C(10) bond length is 1.48 Å. The C(9)-O(5) bond length is 1.27 Å. The C(9)-O(6) bond length is 1.27 Å. In the tenth C site, C(10) is bonded in a trigonal planar geometry to one C(11), one C(12), and one C(9) atom. The C(10)-C(11) bond length is 1.40 Å. The C(10)-C(12) bond length is 1.40 Å. In the eleventh C site, C(11) is bonded in a distorted single-bond geometry to one C(10) and one H(5) atom. The C(11)-H(5) bond length is 0.93 Å. In the twelfth C site, C(12) is bonded in a distorted single-bond geometry to one C(10) and one H(6) atom. The C(12)-H(6) bond length is 0.93 Å. In the thirteenth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one C(14), one O(7), and one O(8) atom. The C(13)-C(14) bond length is 1.49 Å. The C(13)-O(7) bond length is 1.26 Å. The C(13)-O(8) bond length is 1.26 Å. In the fourteenth C site, C(14) is bonded in a trigonal planar geometry to one C(13), one C(15), and one C(16) atom. The C(14)-C(15) bond length is 1.39 Å. The C(14)-C(16) bond length is 1.39 Å. In the fifteenth C site, C(15) is bonded in a distorted single-bond geometry to one C(14) and one H(7) atom. The C(15)-H(7) bond length is 0.93 Å. In the sixteenth C site, C(16) is bonded in a distorted single-bond geometry to one C(14) and one H(8) atom. The C(16)-H(8) bond length is 0.93 Å. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(2) atom. In the second H site, H(2,3) is bonded in a single-bond geometry to one C(3) atom. In the third H site, H(4) is bonded in a single-bond geometry to one C(6) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one C(11) atom. In the fifth H site, H(6) is bonded in a single-bond geometry to one C(12) atom. In the sixth H site, H(7) is bonded in a single-bond geometry to one C(15) atom. In the seventh H site, H(8) is bonded in a single-bond geometry to one C(16) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Nd(1) and one C(7) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to two equivalent Nd(1) and one C(7) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Nd(1) and one C(8) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Nd(1) and one C(8) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one C(9) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one Nd(1) and one C(9) atom. In the seventh O site, O(7) is bonded in a distorted L-shaped geometry to one Nd(1) and one C(13) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Nd(1) and one C(13) atom. Linkers: 8 [O]C(=O)c1ccc(C([O])=O)cc1. Metal clusters: 2 O=[C]O[Nd]123(O[C]=O)O[C]O[Nd](O[C]=O)(O[C]=O)(O[C]O1)(O[C]O2)O[C]O3. RCSR code: hex. The MOF has largest included sphere 6.57 A, density 1.27 g/cm3, surface area 3549.89 m2/g, accessible volume 0.43 cm3/g