NdC12H3(NO5)2 crystallizes in the orthorhombic Pbca space group. Nd(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(3), one O(6), two equivalent O(4), and two equivalent O(5) atoms. The Nd(1)-O(1) bond length is 2.49 Å. The Nd(1)-O(2) bond length is 2.45 Å. The Nd(1)-O(3) bond length is 2.38 Å. The Nd(1)-O(6) bond length is 2.41 Å. There is one shorter (2.52 Å) and one longer (2.64 Å) Nd(1)-O(4) bond length. There is one shorter (2.50 Å) and one longer (2.59 Å) Nd(1)-O(5) bond length. There are twelve inequivalent C sites. In the first C site, C(1) is bonded in a bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(1)-C(2) bond length is 1.49 Å. The C(1)-O(1) bond length is 1.27 Å. The C(1)-O(2) bond length is 1.26 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(4) atom. The C(2)-C(3) bond length is 1.38 Å. The C(2)-C(4) bond length is 1.39 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(8), and one H(1) atom. The C(3)-C(8) bond length is 1.38 Å. The C(3)-H(1) bond length is 0.93 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(2) and one H(2) atom. The C(4)-H(2) bond length is 0.93 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one C(6), one O(4), and one O(5) atom. The C(5)-C(6) bond length is 1.51 Å. The C(5)-O(4) bond length is 1.26 Å. The C(5)-O(5) bond length is 1.25 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(5), one C(7), and one C(8) atom. The C(6)-C(7) bond length is 1.39 Å. The C(6)-C(8) bond length is 1.37 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(6) and one H(3) atom. The C(7)-H(3) bond length is 0.93 Å. In the eighth C site, C(8) is bonded in a distorted trigonal planar geometry to one C(3), one C(6), and one N(1) atom. The C(8)-N(1) bond length is 1.46 Å. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(12), one O(3), and one O(6) atom. The C(9)-C(12) bond length is 1.50 Å. The C(9)-O(3) bond length is 1.25 Å. The C(9)-O(6) bond length is 1.26 Å. In the tenth C site, C(10) is bonded in a bent 120 degrees geometry to one C(11) and one C(12) atom. The C(10)-C(11) bond length is 1.39 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), one C(12), and one N(2) atom. The C(11)-C(12) bond length is 1.38 Å. The C(11)-N(2) bond length is 1.48 Å. In the twelfth C site, C(12) is bonded in a trigonal planar geometry to one C(10), one C(11), and one C(9) atom. There are two inequivalent N sites. In the first N site, N(2) is bonded in a trigonal planar geometry to one C(11), one O(10), and one O(9) atom. The N(2)-O(10) bond length is 1.18 Å. The N(2)-O(9) bond length is 1.23 Å. In the second N site, N(1) is bonded in a trigonal planar geometry to one C(8), one O(7), and one O(8) atom. The N(1)-O(7) bond length is 1.22 Å. The N(1)-O(8) bond length is 1.20 Å. 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(4) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(7) atom. There are ten 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(1) atom. In the second O site, O(2) is bonded in a distorted L-shaped geometry to one Nd(1) and one C(1) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Nd(1) and one C(9) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to two equivalent Nd(1) and one C(5) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to two equivalent Nd(1) and one C(5) atom. In the sixth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Nd(1) and one C(9) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to one N(1) atom. In the eighth O site, O(8) is bonded in a single-bond geometry to one N(1) atom. In the ninth O site, O(9) is bonded in a single-bond geometry to one N(2) atom. In the tenth O site, O(10) is bonded in a single-bond geometry to one N(2) atom. Linkers: 5 [O]C(=O)c1[c]c([N+](=O)[O-])c(C([O])=O)[c]c1[N+](=O)[O-] ,8 [O]C(=O)c1ccc(C([O])=O)c([N+](=O)[O-])c1. Metal clusters: 8 [Nd]. The MOF has largest included sphere 4.24 A, density 1.82 g/cm3, surface area 2918.37 m2/g, accessible volume 0.21 cm3/g