CuC10N3H12O4C6H5NH is Indium-derived structured and crystallizes in the triclinic P1 space group. The structure is zero-dimensional and consists of one 4-methylpyridine molecule and one CuC10N3H12O4 cluster. In the CuC10N3H12O4 cluster, Cu(1) is bonded in a distorted square pyramidal geometry to one N(2), one N(3), one N(4), one O(1), and one O(4) atom. The Cu(1)-N(2) bond length is 1.99 Å. The Cu(1)-N(3) bond length is 2.31 Å. The Cu(1)-N(4) bond length is 2.03 Å. The Cu(1)-O(1) bond length is 2.00 Å. The Cu(1)-O(4) bond length is 1.96 Å. There are ten inequivalent C sites. In the first C site, C(7) is bonded in a 2-coordinate geometry to one N(2) and one H(7) atom. The C(7)-N(2) bond length is 1.47 Å. The C(7)-H(7) bond length is 1.10 Å. In the second C site, C(8) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(2) atom. The C(8)-O(1) bond length is 1.30 Å. The C(8)-O(2) bond length is 1.25 Å. In the third C site, C(9) is bonded in a distorted trigonal planar geometry to one C(10), one N(3), and one H(8) atom. The C(9)-C(10) bond length is 1.39 Å. The C(9)-N(3) bond length is 1.34 Å. The C(9)-H(8) bond length is 1.09 Å. In the fourth C site, C(10) is bonded in a distorted single-bond geometry to one C(11), one C(9), and one H(9) atom. The C(10)-C(11) bond length is 1.40 Å. The C(10)-H(9) bond length is 1.09 Å. In the fifth C site, C(11) is bonded in a trigonal planar geometry to one C(10), one C(12), and one C(14) atom. The C(11)-C(12) bond length is 1.40 Å. The C(11)-C(14) bond length is 1.50 Å. In the sixth C site, C(12) is bonded in a distorted single-bond geometry to one C(11), one C(13), and one H(10) atom. The C(12)-C(13) bond length is 1.39 Å. The C(12)-H(10) bond length is 1.09 Å. In the seventh C site, C(13) is bonded in a distorted trigonal planar geometry to one C(12), one N(3), and one H(11) atom. The C(13)-N(3) bond length is 1.35 Å. The C(13)-H(11) bond length is 1.09 Å. In the eighth C site, C(14) is bonded in a distorted water-like geometry to one C(11), one H(12), and one H(13) atom. The C(14)-H(12) bond length is 1.10 Å. The C(14)-H(13) bond length is 1.10 Å. In the ninth C site, C(15) is bonded in a distorted water-like geometry to one N(4) and one H(14) atom. The C(15)-N(4) bond length is 1.47 Å. The C(15)-H(14) bond length is 1.10 Å. In the tenth C site, C(16) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. The C(16)-O(3) bond length is 1.25 Å. The C(16)-O(4) bond length is 1.30 Å. There are three inequivalent N sites. In the first N site, N(2) is bonded to one Cu(1), one C(7), one H(15), and one H(16) atom to form distorted corner-sharing NCuH2C tetrahedra. The N(2)-H(15) bond length is 1.04 Å. The N(2)-H(16) bond length is 1.03 Å. In the second N site, N(3) is bonded in a trigonal planar geometry to one Cu(1), one C(13), and one C(9) atom. In the third N site, N(4) is bonded to one Cu(1), one C(15), one H(17), and one H(18) atom to form distorted corner-sharing NCuH2C tetrahedra. The N(4)-H(17) bond length is 1.03 Å. The N(4)-H(18) bond length is 1.03 Å. There are twelve inequivalent H sites. In the first H site, H(7) is bonded in a single-bond geometry to one C(7) atom. In the second H site, H(8) is bonded in a single-bond geometry to one C(9) atom. In the third H site, H(9) is bonded in a single-bond geometry to one C(10) atom. In the fourth H site, H(10) is bonded in a single-bond geometry to one C(12) atom. In the fifth H site, H(11) is bonded in a single-bond geometry to one C(13) atom. In the sixth H site, H(12) is bonded in a single-bond geometry to one C(14) atom. In the seventh H site, H(13) is bonded in a single-bond geometry to one C(14) atom. In the eighth H site, H(14) is bonded in a single-bond geometry to one C(15) atom. In the ninth H site, H(15) is bonded in a single-bond geometry to one N(2) atom. In the tenth H site, H(16) is bonded in a single-bond geometry to one N(2) atom. In the eleventh H site, H(17) is bonded in a single-bond geometry to one N(4) atom. In the twelfth H site, H(18) is bonded in a single-bond geometry to one N(4) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(8) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(8) atom. In the third O site, O(3) is bonded in a single-bond geometry to one C(16) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Cu(1) and one C(16) atom. Linkers: 1 N[C@H](Cc1ccncc1)C([O])=O. Metal clusters: 1 [Cu]. The MOF has largest included sphere 2.24 A, density 1.60 g/cm3, surface area 4481.84 m2/g, accessible volume 0.17 cm3/g