GdZnC13H9(NO5)2 crystallizes in the monoclinic P2_1/c space group. Gd(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), and one O(9) atom. The Gd(1)-O(1) bond length is 2.51 Å. The Gd(1)-O(2) bond length is 2.56 Å. The Gd(1)-O(3) bond length is 2.30 Å. The Gd(1)-O(4) bond length is 2.34 Å. The Gd(1)-O(5) bond length is 2.43 Å. The Gd(1)-O(6) bond length is 2.50 Å. The Gd(1)-O(7) bond length is 2.28 Å. The Gd(1)-O(9) bond length is 2.43 Å. Zn(1) is bonded in a trigonal bipyramidal geometry to one N(1), one N(2), one O(10), one O(6), and one O(8) atom. The Zn(1)-N(1) bond length is 2.01 Å. The Zn(1)-N(2) bond length is 2.00 Å. The Zn(1)-O(10) bond length is 2.01 Å. The Zn(1)-O(6) bond length is 2.25 Å. The Zn(1)-O(8) bond length is 2.11 Å. There are thirteen 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(8) atom. The C(1)-C(2) bond length is 1.40 Å. The C(1)-C(6) bond length is 1.39 Å. The C(1)-C(8) bond length is 1.50 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 1.08 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(4) and one H(2) atom. The C(3)-C(4) bond length is 1.39 Å. The C(3)-H(2) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(3), one C(5), and one H(3) atom. The C(4)-C(5) bond length is 1.40 Å. The C(4)-H(3) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(4), one C(6), and one C(7) atom. The C(5)-C(6) bond length is 1.40 Å. The C(5)-C(7) bond length is 1.48 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(1), one C(5), and one H(4) atom. The C(6)-H(4) bond length is 1.08 Å. In the seventh C site, C(7) is bonded in a bent 120 degrees geometry to one C(5), one O(1), and one O(2) atom. The C(7)-O(1) bond length is 1.27 Å. The C(7)-O(2) bond length is 1.30 Å. In the eighth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one C(1), one O(3), and one O(4) atom. The C(8)-O(3) bond length is 1.27 Å. The C(8)-O(4) bond length is 1.27 Å. In the ninth C site, C(9) is bonded in a bent 120 degrees geometry to one C(10), one O(5), and one O(6) atom. The C(9)-C(10) bond length is 1.47 Å. The C(9)-O(5) bond length is 1.27 Å. The C(9)-O(6) bond length is 1.29 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(11), one C(9), and one N(1) atom. The C(10)-C(11) bond length is 1.40 Å. The C(10)-N(1) bond length is 1.38 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 1.49 Å. The C(11)-N(2) bond length is 1.38 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 1.27 Å. The C(12)-O(8) bond length is 1.27 Å. In the thirteenth C site, C(13) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(5) atom. The C(13)-N(1) bond length is 1.34 Å. The C(13)-N(2) bond length is 1.35 Å. The C(13)-H(5) bond length is 1.09 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Zn(1), one C(10), and one C(13) atom. In the second N site, N(2) is bonded in a distorted trigonal non-coplanar geometry to one Zn(1), one C(11), and one C(13) atom. There are nine 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) is bonded in a single-bond geometry to one C(3) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(4) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(6) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(13) atom. In the sixth H site, H(6) is bonded in a distorted linear geometry to one O(1) and one O(9) atom. The H(6)-O(1) bond length is 1.60 Å. The H(6)-O(9) bond length is 1.01 Å. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(9) atom. The H(7)-O(9) bond length is 0.97 Å. In the eighth H site, H(8) is bonded in a single-bond geometry to one O(10) atom. The H(8)-O(10) bond length is 1.00 Å. In the ninth H site, H(9) is bonded in a single-bond geometry to one O(10) atom. The H(9)-O(10) bond length is 1.00 Å. There are ten inequivalent O sites. In the first O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Gd(1) and one C(12) atom. In the second O site, O(8) is bonded in a water-like geometry to one Zn(1) and one C(12) atom. In the third O site, O(9) is bonded in a distorted water-like geometry to one Gd(1), one H(6), and one H(7) atom. In the fourth O site, O(10) is bonded in a distorted trigonal non-coplanar geometry to one Zn(1), one H(8), and one H(9) atom. In the fifth O site, O(1) is bonded in a 3-coordinate geometry to one Gd(1), one C(7), and one H(6) atom. In the sixth O site, O(2) is bonded in a distorted single-bond geometry to one Gd(1) and one C(7) atom. In the seventh O site, O(3) is bonded in a bent 150 degrees geometry to one Gd(1) and one C(8) atom. In the eighth O site, O(4) is bonded in a bent 150 degrees geometry to one Gd(1) and one C(8) atom. In the ninth O site, O(5) is bonded in a distorted single-bond geometry to one Gd(1) and one C(9) atom. In the tenth O site, O(6) is bonded in a 3-coordinate geometry to one Gd(1), one Zn(1), and one C(9) atom. Linkers: 4 [O]C(=O)c1cccc(C([O])=O)c1 ,3 [O]C(=O)[C]1N=CN=C1C([O])=O ,1 [O]C(=O)C1=C(C([O])=O)N=C[N]1. Metal clusters: 4 [Gd] ,4 [Zn]. The MOF has largest included sphere 3.31 A, density 2.20 g/cm3, surface area 2653.47 m2/g, accessible volume 0.13 cm3/g