Zn2C24N4H14O9Br4 crystallizes in the monoclinic C2/c space group. Zn(1) is bonded to one N(1), one N(2), one O(2), one O(3), one O(4), and one O(5) atom to form corner-sharing ZnN2O4 octahedra. The corner-sharing octahedral tilt angles are 68°. The Zn(1)-N(1) bond length is 2.17 Å. The Zn(1)-N(2) bond length is 2.13 Å. The Zn(1)-O(2) bond length is 2.25 Å. The Zn(1)-O(3) bond length is 2.14 Å. The Zn(1)-O(4) bond length is 2.12 Å. The Zn(1)-O(5) bond length is 2.13 Å. There are twelve inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one C(2), one C(5), and one C(6) atom. The C(1)-C(2) bond length is 1.40 Å. The C(1)-C(5) bond length is 1.40 Å. The C(1)-C(6) bond length is 1.51 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(1), one N(1), and one H(2) atom. 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 distorted bent 120 degrees geometry to one C(4), one N(1), and one H(3) atom. The C(3)-C(4) bond length is 1.40 Å. The C(3)-N(1) bond length is 1.34 Å. The C(3)-H(3) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(3), one C(5), and one Br(2) atom. The C(4)-C(5) bond length is 1.39 Å. The C(4)-Br(2) bond length is 1.90 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(1), one C(4), and one H(4) atom. The C(5)-H(4) 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(1), one O(1), and one O(2) atom. The C(6)-O(1) bond length is 1.28 Å. The C(6)-O(2) bond length is 1.27 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one C(11), one C(12), and one C(8) atom. The C(7)-C(11) bond length is 1.40 Å. The C(7)-C(12) bond length is 1.51 Å. The C(7)-C(8) bond length is 1.40 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(7), one C(9), and one H(5) atom. The C(8)-C(9) bond length is 1.40 Å. The C(8)-H(5) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a trigonal planar geometry to one C(10), one C(8), and one Br(1) atom. The C(9)-C(10) bond length is 1.39 Å. The C(9)-Br(1) bond length is 1.90 Å. In the tenth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one C(9), one N(2), and one H(6) atom. The C(10)-N(2) bond length is 1.34 Å. The C(10)-H(6) bond length is 1.09 Å. In the eleventh C site, C(11) is bonded in a distorted bent 120 degrees geometry to one C(7), one N(2), and one H(7) atom. The C(11)-N(2) bond length is 1.34 Å. The C(11)-H(7) bond length is 1.09 Å. In the twelfth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one C(7), one O(3), and one O(4) atom. The C(12)-O(3) bond length is 1.26 Å. The C(12)-O(4) bond length is 1.27 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(2), and one C(3) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Zn(1), one C(10), and one C(11) atom. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a linear geometry to one O(1) and one O(5) atom. The H(1)-O(1) bond length is 1.49 Å. The H(1)-O(5) bond length is 1.04 Å. 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(3) is bonded in a single-bond geometry to one C(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(5) 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(10) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(11) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one C(6) and one H(1) atom. In the second O site, O(2) is bonded in a distorted bent 120 degrees geometry to one Zn(1) and one C(6) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(12) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Zn(1) and one C(12) atom. In the fifth O site, O(5) is bonded in a distorted water-like geometry to two equivalent Zn(1) and two equivalent H(1) atoms. There are two inequivalent Br sites. In the first Br site, Br(1) is bonded in a single-bond geometry to one C(9) atom. In the second Br site, Br(2) is bonded in a single-bond geometry to one C(4) atom. Linkers: 8 [O]C(=O)c1cncc(Br)c1. Metal clusters: 2 O.O=[C]O[Zn]1O[C]O[Zn](O[C]=O)O[C]O1. The MOF has largest included sphere 4.60 A, density 1.96 g/cm3, surface area 3212.62 m2/g, accessible volume 0.18 cm3/g