ZnC10H10(NO3)2 crystallizes in the monoclinic P2_1/c space group. Zn(1) is bonded to one O(2), one O(4), one O(5), and two equivalent O(1) atoms to form distorted edge-sharing ZnO5 trigonal bipyramids. The Zn(1)-O(2) bond length is 1.97 Å. The Zn(1)-O(4) bond length is 1.98 Å. The Zn(1)-O(5) bond length is 2.10 Å. There is one shorter (2.10 Å) and one longer (2.15 Å) Zn(1)-O(1) bond length. There are ten 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(2), and one O(3) atom. The C(1)-C(2) bond length is 1.51 Å. The C(1)-O(2) bond length is 1.29 Å. The C(1)-O(3) bond length is 1.25 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one C(1), one C(10), and one C(4) atom. The C(2)-C(10) bond length is 1.40 Å. The C(2)-C(4) bond length is 1.39 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one C(10), one C(5), and one C(7) atom. The C(3)-C(10) bond length is 1.40 Å. The C(3)-C(5) bond length is 1.39 Å. The C(3)-C(7) bond length is 1.51 Å. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one C(2), one N(2), and one H(1) atom. The C(4)-N(2) bond length is 1.35 Å. The C(4)-H(1) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(3), one N(2), and one H(2) atom. The C(5)-N(2) bond length is 1.35 Å. The C(5)-H(2) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one N(1), one H(3), and one O(5) atom. The C(6)-N(1) bond length is 1.33 Å. The C(6)-H(3) bond length is 1.10 Å. The C(6)-O(5) bond length is 1.26 Å. In the seventh C site, C(7) is bonded in a distorted bent 120 degrees geometry to one C(3), one O(4), and one O(6) atom. The C(7)-O(4) bond length is 1.30 Å. The C(7)-O(6) bond length is 1.25 Å. In the eighth C site, C(8) is bonded to one N(1), one H(4), one H(5), and one H(6) atom to form corner-sharing CH3N tetrahedra. The C(8)-N(1) bond length is 1.46 Å. The C(8)-H(4) bond length is 1.10 Å. The C(8)-H(5) bond length is 1.09 Å. The C(8)-H(6) bond length is 1.10 Å. In the ninth C site, C(9) is bonded to one N(1), one H(7), one H(8), and one H(9) atom to form corner-sharing CH3N tetrahedra. The C(9)-N(1) bond length is 1.46 Å. The C(9)-H(7) bond length is 1.10 Å. The C(9)-H(8) bond length is 1.10 Å. The C(9)-H(9) bond length is 1.10 Å. In the tenth C site, C(10) is bonded in a distorted single-bond geometry to one C(2), one C(3), and one H(10) atom. The C(10)-H(10) 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 C(6), one C(8), and one C(9) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(4), one C(5), and one O(1) atom. The N(2)-O(1) bond length is 1.34 Å. There are ten inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(4) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(5) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(6) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(8) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(8) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(8) 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(9) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(9) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(10) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to two equivalent Zn(1) and one N(2) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(1) atom. In the third O site, O(3) is bonded in a single-bond geometry to one C(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(7) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(6) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to one C(7) atom. Linkers: 4 [O]C(=O)c1cc(C([O])=O)c[n+]([O-])c1. Metal clusters: 4 [Zn]. RCSR code: sra. The MOF has largest included sphere 2.19 A, density 1.71 g/cm3, surface area 4372.65 m2/g, accessible volume 0.14 cm3/g