GdC8NH5O7CH3 crystallizes in the monoclinic C2/c space group. The structure consists of eight 02329_fluka molecules inside a GdC8NH5O7 framework. In the GdC8NH5O7 framework, Gd(1) is bonded in a 9-coordinate geometry to one N(1), one O(1), one O(2), one O(3), one O(4), one O(5), one O(6), and two equivalent O(7) atoms. The Gd(1)-N(1) bond length is 2.56 Å. The Gd(1)-O(1) bond length is 2.48 Å. The Gd(1)-O(2) bond length is 2.42 Å. The Gd(1)-O(3) bond length is 2.43 Å. The Gd(1)-O(4) bond length is 2.38 Å. The Gd(1)-O(5) bond length is 2.47 Å. The Gd(1)-O(6) bond length is 2.40 Å. There is one shorter (2.35 Å) and one longer (2.63 Å) Gd(1)-O(7) bond length. There are eight inequivalent C sites. In the first C site, C(1) is bonded in a distorted single-bond geometry to one C(3), one C(6), and one H(1) atom. The C(1)-C(3) bond length is 1.40 Å. The C(1)-C(6) bond length is 1.40 Å. The C(1)-H(1) bond length is 1.09 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(3), one N(1), and one H(2) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-N(1) bond length is 1.34 Å. The C(2)-H(2) bond length is 1.09 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(1), one C(2), and one C(4) atom. The C(3)-C(4) bond length is 1.50 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(4), and one O(6) atom. The C(4)-O(4) bond length is 1.27 Å. The C(4)-O(6) bond length is 1.27 Å. In the fifth C site, C(6) is bonded in a trigonal planar geometry to one C(1), one C(7), and one C(9) atom. The C(6)-C(7) bond length is 1.40 Å. The C(6)-C(9) bond length is 1.50 Å. In the sixth C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(6), one N(1), and one H(6) atom. The C(7)-N(1) bond length is 1.35 Å. The C(7)-H(6) bond length is 1.09 Å. In the seventh C site, C(8) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(7) atom. The C(8)-O(1) bond length is 1.28 Å. The C(8)-O(7) bond length is 1.28 Å. In the eighth C site, C(9) is bonded in a bent 120 degrees geometry to one C(6), one O(2), and one O(5) atom. The C(9)-O(2) bond length is 1.28 Å. The C(9)-O(5) bond length is 1.28 Å. N(1) is bonded in a distorted trigonal planar geometry to one Gd(1), one C(2), and one C(7) atom. There are five inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(2) atom. In the third H site, H(6) is bonded in a single-bond geometry to one C(7) atom. In the fourth H site, H(7) is bonded in a single-bond geometry to one O(3) atom. The H(7)-O(3) bond length is 0.98 Å. In the fifth H site, H(8) is bonded in a distorted single-bond geometry to one O(1) and one O(3) atom. The H(8)-O(1) bond length is 1.63 Å. The H(8)-O(3) bond length is 1.00 Å. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Gd(1), one C(8), and one H(8) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Gd(1) and one C(9) atom. In the third O site, O(3) is bonded in a distorted water-like geometry to one Gd(1), one H(7), and one H(8) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Gd(1) and one C(4) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Gd(1) and one C(9) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one Gd(1) and one C(4) atom. In the seventh O site, O(7) is bonded in a 1-coordinate geometry to two equivalent Gd(1) and one C(8) atom. Linkers: 4 [O]C(=O)c1cncc(C([O])=O)c1. Metal clusters: 2 CC(=O)O[Gd]12(O[C]O1)O[C]O[Gd]1(OC(C)=O)(O[C]O1)O[C]O2.O.O. The MOF has largest included sphere 3.23 A, density 2.14 g/cm3, surface area 2790.34 m2/g, accessible volume 0.15 cm3/g