CHZn2C15N3H9O5Br crystallizes in the monoclinic C2/c space group. The structure consists of eight 02329_fluka molecules inside a Zn2C15N3H9O5Br framework. In the Zn2C15N3H9O5Br framework, there are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one N(3), one O(2), one O(3), and one O(5) atom to form corner-sharing ZnNO3 tetrahedra. The Zn(1)-N(3) bond length is 1.96 Å. The Zn(1)-O(2) bond length is 1.98 Å. The Zn(1)-O(3) bond length is 1.97 Å. The Zn(1)-O(5) bond length is 1.93 Å. In the second Zn site, Zn(2) is bonded to one N(1), one N(2), one O(1), one O(4), and one O(5) atom to form corner-sharing ZnN2O3 trigonal bipyramids. The Zn(2)-N(1) bond length is 2.26 Å. The Zn(2)-N(2) bond length is 2.00 Å. The Zn(2)-O(1) bond length is 2.02 Å. The Zn(2)-O(4) bond length is 2.22 Å. The Zn(2)-O(5) bond length is 1.98 Å. There are fifteen inequivalent C sites. In the first 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)-C(8) bond length is 1.39 Å. The C(9)-Br(1) bond length is 1.90 Å. In the second C site, C(10) is bonded in a distorted single-bond geometry to one C(11), one C(9), and one H(7) atom. The C(10)-C(11) bond length is 1.40 Å. The C(10)-H(7) bond length is 1.09 Å. In the third C site, C(11) is bonded in a trigonal planar geometry to one C(10), one C(12), and one C(13) atom. The C(11)-C(12) bond length is 1.40 Å. The C(11)-C(13) bond length is 1.51 Å. In the fourth C site, C(12) is bonded in a distorted single-bond geometry to one C(11), one C(7), and one H(8) atom. The C(12)-C(7) bond length is 1.40 Å. The C(12)-H(8) bond length is 1.09 Å. In the fifth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one C(11), one O(3), and one O(4) atom. The C(13)-O(3) bond length is 1.29 Å. The C(13)-O(4) bond length is 1.26 Å. In the sixth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one C(15), one N(2), and one H(9) atom. The C(14)-C(15) bond length is 1.38 Å. The C(14)-N(2) bond length is 1.36 Å. The C(14)-H(9) bond length is 1.08 Å. In the seventh C site, C(15) is bonded in a distorted bent 120 degrees geometry to one C(14), one N(3), and one H(10) atom. The C(15)-N(3) bond length is 1.38 Å. The C(15)-H(10) bond length is 1.08 Å. In the eighth C site, C(16) is bonded in a distorted trigonal planar geometry to one C(1), one N(2), and one N(3) atom. The C(16)-C(1) bond length is 1.46 Å. The C(16)-N(2) bond length is 1.35 Å. The C(16)-N(3) bond length is 1.36 Å. In the ninth C site, C(1) is bonded in a distorted trigonal planar geometry to one C(16), one C(2), and one N(1) atom. The C(1)-C(2) bond length is 1.40 Å. The C(1)-N(1) bond length is 1.36 Å. In the tenth 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 1.09 Å. In the eleventh C site, C(4) is bonded in a distorted single-bond geometry to one C(5) and one H(3) atom. The C(4)-C(5) bond length is 1.39 Å. The C(4)-H(3) bond length is 1.09 Å. In the twelfth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one N(1), and one H(4) atom. The C(5)-N(1) bond length is 1.34 Å. The C(5)-H(4) bond length is 1.09 Å. In the thirteenth C site, C(6) is bonded in a distorted bent 120 degrees geometry to one C(7), one O(1), and one O(2) atom. The C(6)-C(7) bond length is 1.50 Å. The C(6)-O(1) bond length is 1.27 Å. The C(6)-O(2) bond length is 1.28 Å. In the fourteenth C site, C(7) is bonded in a trigonal planar geometry to one C(12), one C(6), and one C(8) atom. The C(7)-C(8) bond length is 1.40 Å. In the fifteenth C site, C(8) is bonded in a distorted trigonal planar geometry to one C(7), one C(9), and one H(6) atom. The C(8)-H(6) bond length is 1.09 Å. There are three inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Zn(2), one C(1), and one C(5) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Zn(2), one C(14), and one C(16) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one Zn(1), one C(15), and one C(16) 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(3) is bonded in a single-bond geometry to one C(4) atom. In the third H site, H(4) is bonded in a single-bond geometry to one C(5) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one O(5) atom. The H(5)-O(5) bond length is 0.97 Å. In the fifth H site, H(6) is bonded in a single-bond geometry to one C(8) atom. In the sixth H site, H(7) is bonded in a single-bond geometry to one C(10) atom. In the seventh H site, H(8) is bonded in a single-bond geometry to one C(12) atom. In the eighth H site, H(9) is bonded in a single-bond geometry to one C(14) atom. In the ninth H site, H(10) is bonded in a single-bond geometry to one C(15) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Zn(2) and one C(6) atom. In the second O site, O(2) is bonded in a bent 150 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(13) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one Zn(2) and one C(13) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Zn(1), one Zn(2), and one H(5) atom. Br(1) is bonded in a single-bond geometry to one C(9) atom. Linkers: 2 [CH]1C=NC(c2ccccn2)=N1 ,2 C1=CN=C(c2ccccn2)[N]1 ,4 [O]C(=O)c1cc(Br)cc(C([O])=O)c1. Metal clusters: 2 O[Zn]1O[C]O[Zn]O[C]O[Zn](O)O[C]O[Zn]O[C]O1. The MOF has largest included sphere 2.78 A, density 1.98 g/cm3, surface area 3810.28 m2/g, accessible volume 0.14 cm3/g