Gd2CuC24H16(N2O5)4 crystallizes in the monoclinic P2_1/c space group. Gd(1) is bonded in a 8-coordinate geometry to one N(3), one N(4), one O(1), one O(10), one O(3), one O(4), one O(5), and one O(9) atom. The Gd(1)-N(3) bond length is 2.68 Å. The Gd(1)-N(4) bond length is 2.66 Å. The Gd(1)-O(1) bond length is 2.34 Å. The Gd(1)-O(10) bond length is 2.38 Å. The Gd(1)-O(3) bond length is 2.35 Å. The Gd(1)-O(4) bond length is 2.42 Å. The Gd(1)-O(5) bond length is 2.24 Å. The Gd(1)-O(9) bond length is 2.37 Å. Cu(1) is bonded in a distorted octahedral geometry to two equivalent N(1), two equivalent O(6), and two equivalent O(8) atoms. Both Cu(1)-N(1) bond lengths are 1.94 Å. Both Cu(1)-O(6) bond lengths are 2.47 Å. Both Cu(1)-O(8) bond lengths are 2.05 Å. There are twelve inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one O(1), and one O(2) atom. The C(1)-C(2) bond length is 1.51 Å. The C(1)-O(1) bond length is 1.28 Å. The C(1)-O(2) bond length is 1.25 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(3), and one N(3) atom. The C(2)-C(3) bond length is 1.40 Å. The C(2)-N(3) bond length is 1.35 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(6), and one N(4) atom. The C(3)-C(6) bond length is 1.51 Å. The C(3)-N(4) bond length is 1.35 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one N(4) and one H(5) atom. The C(4)-N(4) bond length is 1.34 Å. The C(4)-H(5) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one N(3) and one H(6) atom. The C(5)-N(3) bond length is 1.34 Å. The C(5)-H(6) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(3), and one O(4) atom. The C(6)-O(3) bond length is 1.27 Å. The C(6)-O(4) bond length is 1.27 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(8), one O(5), and one O(6) atom. The C(7)-C(8) bond length is 1.51 Å. The C(7)-O(5) bond length is 1.28 Å. The C(7)-O(6) bond length is 1.25 Å. In the eighth C site, C(8) is bonded in a distorted trigonal planar geometry to one C(11), one C(7), and one N(2) atom. The C(8)-C(11) bond length is 1.40 Å. The C(8)-N(2) bond length is 1.35 Å. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one C(10), one N(2), and one H(7) atom. The C(9)-C(10) bond length is 1.40 Å. The C(9)-N(2) bond length is 1.33 Å. The C(9)-H(7) bond length is 1.09 Å. In the tenth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(9), one N(1), and one H(8) atom. The C(10)-N(1) bond length is 1.33 Å. The C(10)-H(8) bond length is 1.09 Å. In the eleventh C site, C(11) is bonded in a distorted trigonal planar geometry to one C(12), one C(8), and one N(1) atom. The C(11)-C(12) bond length is 1.51 Å. The C(11)-N(1) bond length is 1.35 Å. In the twelfth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one C(11), one O(7), and one O(8) atom. The C(12)-O(7) bond length is 1.26 Å. The C(12)-O(8) bond length is 1.28 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Cu(1), one C(10), and one C(11) atom. In the second N site, N(2) is bonded in a bent 120 degrees geometry to one C(8) and one C(9) atom. In the third N site, N(3) is bonded in a distorted bent 120 degrees geometry to one Gd(1), one C(2), and one C(5) atom. In the fourth N site, N(4) is bonded in a distorted bent 120 degrees geometry to one Gd(1), one C(3), and one C(4) atom. There are eight inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(9) atom. The H(1)-O(9) bond length is 0.98 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(9) atom. The H(2)-O(9) bond length is 0.99 Å. In the third H site, H(3) is bonded in a distorted single-bond geometry to one O(10) and one O(2) atom. The H(3)-O(10) bond length is 0.99 Å. The H(3)-O(2) bond length is 1.67 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(10) atom. The H(4)-O(10) bond length is 0.99 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(4) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(5) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(9) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(10) atom. There are ten inequivalent O sites. In the first O site, O(8) is bonded in a water-like geometry to one Cu(1) and one C(12) atom. In the second O site, O(9) is bonded in a distorted trigonal planar geometry to one Gd(1), one H(1), and one H(2) atom. In the third O site, O(10) is bonded in a distorted water-like geometry to one Gd(1), one H(3), and one H(4) atom. In the fourth O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Gd(1) and one C(1) atom. In the fifth O site, O(2) is bonded in a distorted bent 150 degrees geometry to one C(1) and one H(3) atom. In the sixth O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Gd(1) and one C(6) atom. In the seventh O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Gd(1) and one C(6) atom. In the eighth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Gd(1) and one C(7) atom. In the ninth O site, O(6) is bonded in a distorted single-bond geometry to one Cu(1) and one C(7) atom. In the tenth O site, O(7) is bonded in a single-bond geometry to one C(12) atom. Linkers: 8 [O]C(=O)c1nccnc1C([O])=O. Metal clusters: 4 [Gd] ,2 [Cu]. The MOF has largest included sphere 2.99 A, density 2.32 g/cm3, surface area 2615.02 m2/g, accessible volume 0.07 cm3/g