CuC16N3H9O4Cl is Indium-like structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of one CuC16N3H9O4Cl cluster. Cu(1) is bonded to one N(1), one N(2), one O(1), and two equivalent Cl(1) atoms to form distorted edge-sharing CuN2Cl2O square pyramids. The Cu(1)-N(1) bond length is 2.05 Å. The Cu(1)-N(2) bond length is 2.02 Å. The Cu(1)-O(1) bond length is 1.95 Å. There is one shorter (2.29 Å) and one longer (2.72 Å) Cu(1)-Cl(1) bond length. There are sixteen inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(2), one N(1), and one H(1) atom. The C(1)-C(2) bond length is 1.40 Å. The C(1)-N(1) bond length is 1.33 Å. The C(1)-H(1) bond length is 1.09 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(1), one C(3), and one H(2) atom. The C(2)-C(3) bond length is 1.38 Å. The C(2)-H(2) bond length is 1.09 Å. In the third C site, C(3) is bonded in a distorted single-bond geometry to one C(2), one C(4), and one H(3) atom. The C(3)-C(4) bond length is 1.42 Å. The C(3)-H(3) bond length is 1.08 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(12), one C(3), and one C(5) atom. The C(4)-C(12) bond length is 1.42 Å. The C(4)-C(5) bond length is 1.45 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(4), one C(6), and one N(3) atom. The C(5)-C(6) bond length is 1.37 Å. The C(5)-N(3) bond length is 1.47 Å. In the sixth C site, C(6) is bonded in a distorted trigonal planar geometry to one C(5), one C(7), and one H(4) atom. The C(6)-C(7) bond length is 1.42 Å. The C(6)-H(4) bond length is 1.09 Å. In the seventh C site, C(7) is bonded in a trigonal planar geometry to one C(11), one C(6), and one C(8) atom. The C(7)-C(11) bond length is 1.41 Å. The C(7)-C(8) bond length is 1.42 Å. In the eighth C site, C(8) is bonded in a distorted trigonal planar geometry to one C(7), one C(9), and one H(5) atom. The C(8)-C(9) bond length is 1.38 Å. The C(8)-H(5) bond length is 1.09 Å. In the ninth C site, C(9) is bonded in a distorted single-bond geometry to one C(8) and one H(6) atom. The C(9)-H(6) bond length is 1.09 Å. In the tenth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(7) atom. The C(10)-N(2) bond length is 1.33 Å. The C(10)-H(7) bond length is 1.09 Å. In the eleventh C site, C(11) is bonded in a distorted trigonal planar geometry to one C(12), one C(7), and one N(2) atom. The C(11)-C(12) bond length is 1.43 Å. The C(11)-N(2) bond length is 1.36 Å. In the twelfth C site, C(12) is bonded in a distorted trigonal planar geometry to one C(11), one C(4), and one N(1) atom. The C(12)-N(1) bond length is 1.36 Å. In the thirteenth C site, C(13) is bonded in a bent 120 degrees geometry to one C(14), one O(1), and one O(2) atom. The C(13)-C(14) bond length is 1.50 Å. The C(13)-O(1) bond length is 1.31 Å. The C(13)-O(2) bond length is 1.25 Å. In the fourteenth C site, C(14) is bonded in a trigonal planar geometry to one C(13), one C(15), and one C(16) atom. The C(14)-C(15) bond length is 1.40 Å. The C(14)-C(16) bond length is 1.40 Å. In the fifteenth C site, C(15) is bonded in a distorted single-bond geometry to one C(14) and one H(8) atom. The C(15)-H(8) bond length is 1.09 Å. In the sixteenth C site, C(16) is bonded in a distorted single-bond geometry to one C(14) and one H(9) atom. The C(16)-H(9) 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 Cu(1), one C(1), and one C(12) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Cu(1), one C(10), and one C(11) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one C(5) and two equivalent O(3,4) atoms. There is one shorter (1.24 Å) and one longer (1.25 Å) N(3)-O(3,4) bond length. There are nine 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(6) 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(9) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(10) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(15) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(16) atom. There are three inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one Cu(1) and one C(13) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(13) atom. In the third O site, O(3,4) is bonded in a single-bond geometry to one N(3) atom. Cl(1) is bonded in an L-shaped geometry to two equivalent Cu(1) atoms. Linkers: 1 [O]C(=O)c1ccc(C([O])=O)cc1. Metal clusters: 1 O=[C]O[Cu]Cl.O=[C]O[Cu]Cl. The MOF has largest included sphere 5.39 A, density 1.40 g/cm3, surface area 4146.38 m2/g, accessible volume 0.24 cm3/g