Nd3C17N4H17O23(CH2)2(CH3)2 crystallizes in the orthorhombic Pnma space group. The structure consists of eight 02329_fluka molecules and eight 02329_fluka molecules inside a Nd3C17N4H17O23 framework. In the Nd3C17N4H17O23 framework, there are two inequivalent Nd sites. In the first Nd site, Nd(1) is bonded in a 9-coordinate geometry to one N(1), one O(1), one O(11), one O(2), one O(4), one O(6), one O(7), and two equivalent O(3) atoms. The Nd(1)-N(1) bond length is 2.55 Å. The Nd(1)-O(1) bond length is 2.46 Å. The Nd(1)-O(11) bond length is 2.60 Å. The Nd(1)-O(2) bond length is 2.42 Å. The Nd(1)-O(4) bond length is 2.60 Å. The Nd(1)-O(6) bond length is 2.50 Å. The Nd(1)-O(7) bond length is 2.46 Å. Both Nd(1)-O(3) bond lengths are 2.52 Å. In the second Nd site, Nd(2) is bonded in a 9-coordinate geometry to one O(10), one O(13), one O(9), two equivalent O(12), two equivalent O(5), and two equivalent O(8) atoms. The Nd(2)-O(10) bond length is 2.45 Å. The Nd(2)-O(13) bond length is 2.68 Å. The Nd(2)-O(9) bond length is 2.45 Å. Both Nd(2)-O(12) bond lengths are 2.51 Å. Both Nd(2)-O(5) bond lengths are 2.53 Å. Both Nd(2)-O(8) bond lengths are 2.52 Å. There are nine inequivalent C sites. In the first C site, C(2) is bonded in a distorted single-bond geometry to one C(1), one C(5), and one N(2) atom. The C(2)-C(1) bond length is 1.40 Å. The C(2)-C(5) bond length is 1.46 Å. The C(2)-N(2) bond length is 1.38 Å. In the second C site, C(3) is bonded in a distorted trigonal planar geometry to one C(6), one N(1), and one N(2) atom. The C(3)-C(6) bond length is 1.48 Å. The C(3)-N(1) bond length is 1.34 Å. The C(3)-N(2) bond length is 1.35 Å. In the third C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(1), and one O(2) atom. The C(4)-C(1) bond length is 1.50 Å. The C(4)-O(1) bond length is 1.27 Å. The C(4)-O(2) bond length is 1.27 Å. In the fourth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(3), and one O(4) atom. The C(5)-O(3) bond length is 1.29 Å. The C(5)-O(4) bond length is 1.27 Å. In the fifth C site, C(6) is bonded in a distorted water-like geometry to one C(3), one H(7), and one H(8) atom. The C(6)-H(7) bond length is 1.10 Å. The C(6)-H(8) bond length is 1.10 Å. In the sixth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one O(5) and one O(6) atom. The C(9)-O(5) bond length is 1.25 Å. The C(9)-O(6) bond length is 1.28 Å. In the seventh C site, C(10) is bonded in a distorted bent 120 degrees geometry to one O(7) and one O(8) atom. The C(10)-O(7) bond length is 1.26 Å. The C(10)-O(8) bond length is 1.27 Å. In the eighth C site, C(11) is bonded in a trigonal planar geometry to one H(14), one O(10), and one O(9) atom. The C(11)-H(14) bond length is 1.11 Å. The C(11)-O(10) bond length is 1.27 Å. The C(11)-O(9) bond length is 1.27 Å. In the ninth C site, C(1) is bonded in a distorted single-bond geometry to one C(2), one C(4), and one N(1) atom. The C(1)-N(1) bond length is 1.38 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Nd(1), one C(1), and one C(3) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(2), one C(3), and one H(6) atom. The N(2)-H(6) bond length is 1.04 Å. There are nine inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(11) atom. The H(1)-O(11) bond length is 1.00 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(11) atom. The H(2)-O(11) bond length is 0.98 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(12) atom. The H(3)-O(12) bond length is 0.99 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(12) atom. The H(4)-O(12) bond length is 0.97 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(13) atom. The H(5)-O(13) bond length is 0.97 Å. In the sixth H site, H(6) is bonded in a single-bond geometry to one N(2) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(6) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(6) atom. In the ninth H site, H(14) is bonded in a single-bond geometry to one C(11) atom. There are thirteen inequivalent O sites. In the first O site, O(6) is bonded in a distorted single-bond geometry to one Nd(1) and one C(9) atom. In the second O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Nd(1) and one C(10) atom. In the third O site, O(8) is bonded in a distorted single-bond geometry to one Nd(2) and one C(10) atom. In the fourth O site, O(9) is bonded in a distorted single-bond geometry to one Nd(2) and one C(11) atom. In the fifth O site, O(10) is bonded in a distorted bent 120 degrees geometry to one Nd(2) and one C(11) atom. In the sixth O site, O(11) is bonded in a water-like geometry to one Nd(1), one H(1), and one H(2) atom. In the seventh O site, O(12) is bonded in a water-like geometry to one Nd(2), one H(3), and one H(4) atom. In the eighth O site, O(13) is bonded in a water-like geometry to one Nd(2) and two equivalent H(5) atoms. In the ninth O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Nd(1) and one C(4) atom. In the tenth O site, O(2) is bonded in a distorted single-bond geometry to one Nd(1) and one C(4) atom. In the eleventh O site, O(3) is bonded in a distorted single-bond geometry to two equivalent Nd(1) and one C(5) atom. In the twelfth O site, O(4) is bonded in a distorted single-bond geometry to one Nd(1) and one C(5) atom. In the thirteenth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Nd(2) and one C(9) atom. Linkers: 8 CCCc1nc(C([O])=O)c(C([O])=O)[nH]1 ,8 [O]C(=O)C([O])=O. Metal clusters: 12 [Nd]. The MOF has largest included sphere 4.39 A, density 2.09 g/cm3, surface area 2974.50 m2/g, accessible volume 0.20 cm3/g