Cu10C12N8H24Cl9 crystallizes in the trigonal R-3m space group. There are six inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one N(2), one Cl(1), and two equivalent Cl(3) atoms to form distorted CuNCl3 tetrahedra that share  a cornercorner with one C(1)H2N2 tetrahedra, corners with two equivalent Cu(1)NCl3 tetrahedra, corners with two equivalent C(4)H2N2 tetrahedra, and  an edgeedge with one Cu(3)NCl3 tetrahedra. The Cu(1)-N(2) bond length is 2.20 Å. The Cu(1)-Cl(1) bond length is 2.24 Å. Both Cu(1)-Cl(3) bond lengths are 2.42 Å. In the second Cu site, Cu(2) is bonded to one N(1) and three equivalent Cl(2) atoms to form distorted CuNCl3 tetrahedra that share  a cornercorner with one C(2)H2N2 tetrahedra, corners with two equivalent Cu(2)NCl3 tetrahedra, corners with two equivalent C(3)H2N2 tetrahedra, and edges with two equivalent Cu(2)NCl3 tetrahedra. The Cu(2)-N(1) bond length is 2.15 Å. There are two shorter (2.28 Å) and one longer (2.55 Å) Cu(2)-Cl(2) bond length. In the third Cu site, Cu(3) is bonded to one N(4) and three equivalent Cl(3) atoms to form CuNCl3 tetrahedra that share corners with three equivalent C(1)H2N2 tetrahedra and edges with three equivalent Cu(1)NCl3 tetrahedra. The Cu(3)-N(4) bond length is 2.07 Å. All Cu(3)-Cl(3) bond lengths are 2.37 Å. In the fourth Cu site, Cu(4) is bonded in a distorted linear geometry to one Cu(5) and one N(3) atom. The Cu(4)-Cu(5) bond length is 0.24 Å. The Cu(4)-N(3) bond length is 2.15 Å. In the fifth Cu site, Cu(5) is bonded in a linear geometry to one Cu(4) and one Cu(6) atom. The Cu(5)-Cu(6) bond length is 0.55 Å. In the sixth Cu site, Cu(6) is bonded in a distorted single-bond geometry to one Cu(5) and three equivalent Cl(1) atoms. All Cu(6)-Cl(1) bond lengths are 2.25 Å. There are four inequivalent C sites. In the first C site, C(1) is bonded to one N(2), one N(4), and two equivalent H(1) atoms to form CH2N2 tetrahedra that share  a cornercorner with one Cu(1)NCl3 tetrahedra,  a cornercorner with one Cu(3)NCl3 tetrahedra, corners with two equivalent C(1)H2N2 tetrahedra, and corners with two equivalent C(4)H2N2 tetrahedra. The C(1)-N(2) bond length is 1.48 Å. The C(1)-N(4) bond length is 1.48 Å. Both C(1)-H(1) bond lengths are 0.96 Å. In the second C site, C(2) is bonded to one N(1), one N(3), and two equivalent H(2) atoms to form CH2N2 tetrahedra that share  a cornercorner with one Cu(2)NCl3 tetrahedra, corners with two equivalent C(2)H2N2 tetrahedra, and corners with two equivalent C(3)H2N2 tetrahedra. The C(2)-N(1) bond length is 1.48 Å. The C(2)-N(3) bond length is 1.48 Å. Both C(2)-H(2) bond lengths are 0.96 Å. In the third C site, C(3) is bonded to two equivalent N(1), one H(3), and one H(4) atom to form CH2N2 tetrahedra that share corners with two equivalent Cu(2)NCl3 tetrahedra, corners with two equivalent C(2)H2N2 tetrahedra, and corners with two equivalent C(3)H2N2 tetrahedra. Both C(3)-N(1) bond lengths are 1.48 Å. The C(3)-H(3) bond length is 0.96 Å. The C(3)-H(4) bond length is 0.96 Å. In the fourth C site, C(4) is bonded to two equivalent N(2) and two equivalent H(5,6) atoms to form CH2N2 tetrahedra that share corners with two equivalent Cu(1)NCl3 tetrahedra, corners with two equivalent C(1)H2N2 tetrahedra, and corners with two equivalent C(4)H2N2 tetrahedra. Both C(4)-N(2) bond lengths are 1.47 Å. Both C(4)-H(5,6) bond lengths are 0.96 Å. There are four inequivalent N sites. In the first N site, N(1) is bonded to one Cu(2), one C(2), and two equivalent C(3) atoms to form corner-sharing NCuC3 tetrahedra. In the second N site, N(2) is bonded to one Cu(1), one C(1), and two equivalent C(4) atoms to form corner-sharing NCuC3 tetrahedra. In the third N site, N(3) is bonded to one Cu(4) and three equivalent C(2) atoms to form corner-sharing NCuC3 tetrahedra. In the fourth N site, N(4) is bonded to one Cu(3) and three equivalent C(1) atoms to form corner-sharing NCuC3 tetrahedra. There are five 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(5,6) is bonded in a single-bond geometry to one C(4) atom. There are three inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a 2-coordinate geometry to one Cu(1) and one Cu(6) atom. In the second Cl site, Cl(2) is bonded in a 3-coordinate geometry to three equivalent Cu(2) atoms. In the third Cl site, Cl(3) is bonded in a distorted T-shaped geometry to one Cu(3) and two equivalent Cu(1) atoms. Linkers: 12 C1N2CN3CN1CN(C2)C3. Metal clusters: 6 Cl[Cu][Cu](Cl)(Cl)(Cl)([Cu]Cl)[Cu]Cl.[Cu]#[Cu].[N][Cu] ,3 Cl[Cu]1[Cu][Cu](Cl)(Cl)[Cu](Cl)[Cu][Cu]1(Cl)Cl. The MOF has largest included sphere 6.43 A, density 2.14 g/cm3, surface area 2729.71 m2/g, accessible volume 0.20 cm3/g