CuC5N3H7Br is Indium-like structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of one CuC5N3H7Br cluster. Cu(1) is bonded in a 5-coordinate geometry to one C(1), one C(3), one N(1), and two equivalent Br(1) atoms. The Cu(1)-C(1) bond length is 2.05 Å. The Cu(1)-C(3) bond length is 2.04 Å. The Cu(1)-N(1) bond length is 1.97 Å. There is one shorter (2.45 Å) and one longer (2.72 Å) Cu(1)-Br(1) bond length. There are five inequivalent C sites. In the first C site, C(1) is bonded in a distorted single-bond geometry to one Cu(1) and one H(1) atom. The C(1)-H(1) bond length is 1.09 Å. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one C(5), one N(1), and one H(2) atom. The C(2)-C(5) bond length is 1.38 Å. The C(2)-N(1) bond length is 1.37 Å. The C(2)-H(2) bond length is 1.08 Å. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one Cu(1), one H(3), and one H(4) atom. The C(3)-H(3) bond length is 1.09 Å. The C(3)-H(4) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a 3-coordinate geometry to one N(3), one H(5), and one H(6) atom. The C(4)-N(3) bond length is 1.47 Å. The C(4)-H(5) bond length is 1.10 Å. The C(4)-H(6) bond length is 1.09 Å. In the fifth C site, C(5) is bonded in a distorted bent 120 degrees geometry to one C(2), one N(3), and one H(7) atom. The C(5)-N(3) bond length is 1.36 Å. The C(5)-H(7) bond length is 1.08 Å. There are three inequivalent N sites. In the first N site, N(3) is bonded in a distorted trigonal planar geometry to one C(4), one C(5), and one N(2) atom. The N(3)-N(2) bond length is 1.34 Å. In the second N site, N(1) is bonded in a distorted trigonal planar geometry to one Cu(1), one C(2), and one N(2) atom. The N(1)-N(2) bond length is 1.33 Å. In the third N site, N(2) is bonded in a water-like geometry to one N(1) and one N(3) atom. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. 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(3) atom. 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(4) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(5) atom. Br(1) is bonded in a distorted L-shaped geometry to two equivalent Cu(1) atoms. Linkers: 2 [CH]Cn1ccnn1. Metal clusters: 1 [Br].[Br].[CH]C[Cu].[CH]C[Cu]. The MOF has largest included sphere 2.04 A, density 2.24 g/cm3, surface area 3673.08 m2/g, accessible volume 0.12 cm3/g