(C6H5NH)2Cd3C30P2H36Se2(N2Cl3)2 is Indium-derived structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two 2-methylpyridine molecules and one Cd3C30P2H36Se2(N2Cl3)2 cluster. In the Cd3C30P2H36Se2(N2Cl3)2 cluster, there are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one N(1), one Se(1), one Cl(1), one Cl(2), and one Cl(3) atom to form CdSeNCl3 trigonal bipyramids that share  a cornercorner with one P(1)C3Se tetrahedra and  an edgeedge with one Cd(2)N2Cl4 octahedra. The Cd(1)-N(1) bond length is 2.42 Å. The Cd(1)-Se(1) bond length is 2.65 Å. The Cd(1)-Cl(1) bond length is 2.49 Å. The Cd(1)-Cl(2) bond length is 2.78 Å. The Cd(1)-Cl(3) bond length is 2.60 Å. In the second Cd site, Cd(2) is bonded to two equivalent N(3), two equivalent Cl(2), and two equivalent Cl(3) atoms to form edge-sharing CdN2Cl4 octahedra. Both Cd(2)-N(3) bond lengths are 2.48 Å. Both Cd(2)-Cl(2) bond lengths are 2.60 Å. Both Cd(2)-Cl(3) bond lengths are 2.70 Å. There are fifteen inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one C(2), one N(1), and one H(1) atom. The C(1)-C(2) bond length is 1.39 Å. The C(1)-N(1) bond length is 1.35 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 1.40 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(5), and one H(3) atom. The C(3)-C(5) bond length is 1.39 Å. The C(3)-H(3) bond length is 1.09 Å. In the fourth C site, C(4) is bonded in a distorted trigonal planar geometry to one C(5), one C(6), and one N(1) atom. The C(4)-C(5) bond length is 1.40 Å. The C(4)-C(6) bond length is 1.50 Å. The C(4)-N(1) bond length is 1.35 Å. In the fifth C site, C(5) is bonded in a distorted trigonal planar geometry to one C(3), one C(4), and one H(4) atom. The C(5)-H(4) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted water-like geometry to one C(4), one H(5), and one H(6) atom. The C(6)-H(5) bond length is 1.10 Å. The C(6)-H(6) bond length is 1.10 Å. In the seventh C site, C(7) is bonded in a distorted water-like geometry to one P(1), one H(7), and one H(8) atom. The C(7)-P(1) bond length is 1.83 Å. The C(7)-H(7) bond length is 1.10 Å. The C(7)-H(8) bond length is 1.10 Å. In the eighth C site, C(8) is bonded in a distorted water-like geometry to one P(1), one H(10), and one H(9) atom. The C(8)-P(1) bond length is 1.82 Å. The C(8)-H(10) bond length is 1.10 Å. The C(8)-H(9) bond length is 1.10 Å. In the ninth C site, C(15) is bonded in a distorted water-like geometry to one P(1), one H(17), and one H(18) atom. The C(15)-P(1) bond length is 1.82 Å. The C(15)-H(17) bond length is 1.10 Å. The C(15)-H(18) bond length is 1.10 Å. In the tenth C site, C(16) is bonded in a distorted water-like geometry to one C(17), one H(19), and one H(20) atom. The C(16)-C(17) bond length is 1.50 Å. The C(16)-H(19) bond length is 1.10 Å. The C(16)-H(20) bond length is 1.10 Å. In the eleventh C site, C(17) is bonded in a distorted trigonal planar geometry to one C(16), one C(21), and one N(3) atom. The C(17)-C(21) bond length is 1.40 Å. The C(17)-N(3) bond length is 1.35 Å. In the twelfth C site, C(18) is bonded in a distorted trigonal planar geometry to one C(19), one N(3), and one H(21) atom. The C(18)-C(19) bond length is 1.39 Å. The C(18)-N(3) bond length is 1.35 Å. The C(18)-H(21) bond length is 1.09 Å. In the thirteenth C site, C(19) is bonded in a distorted trigonal planar geometry to one C(18), one C(20), and one H(22) atom. The C(19)-C(20) bond length is 1.39 Å. The C(19)-H(22) bond length is 1.09 Å. In the fourteenth C site, C(20) is bonded in a distorted single-bond geometry to one C(19) and one H(23) atom. The C(20)-H(23) bond length is 1.09 Å. In the fifteenth C site, C(21) is bonded in a distorted single-bond geometry to one C(17) and one H(24) atom. The C(21)-H(24) bond length is 1.09 Å. P(1) is bonded to one C(15), one C(7), one C(8), and one Se(1) atom to form PC3Se tetrahedra that share  a cornercorner with one Cd(1)SeNCl3 trigonal bipyramid. The P(1)-Se(1) bond length is 2.17 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one Cd(1), one C(1), and one C(4) atom. In the second N site, N(3) is bonded in a distorted trigonal planar geometry to one Cd(2), one C(17), and one C(18) atom. There are eighteen 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(5) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(6) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(6) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(7) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(7) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(8) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(8) atom. In the eleventh H site, H(17) is bonded in a single-bond geometry to one C(15) atom. In the twelfth H site, H(18) is bonded in a single-bond geometry to one C(15) atom. In the thirteenth H site, H(19) is bonded in a single-bond geometry to one C(16) atom. In the fourteenth H site, H(20) is bonded in a single-bond geometry to one C(16) atom. In the fifteenth H site, H(21) is bonded in a single-bond geometry to one C(18) atom. In the sixteenth H site, H(22) is bonded in a single-bond geometry to one C(19) atom. In the seventeenth H site, H(23) is bonded in a single-bond geometry to one C(20) atom. In the eighteenth H site, H(24) is bonded in a single-bond geometry to one C(21) atom. Se(1) is bonded in a water-like geometry to one Cd(1) and one P(1) atom. There are three inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a single-bond geometry to one Cd(1) atom. In the second Cl site, Cl(2) is bonded in an L-shaped geometry to one Cd(1) and one Cd(2) atom. In the third Cl site, Cl(3) is bonded in an L-shaped geometry to one Cd(1) and one Cd(2) atom. Linkers: 2 [Se][P](CCc1ccccn1)(CCc1ccccn1)CCc1ccccn1. Metal clusters: 3 [Cd]. The MOF has largest included sphere 2.48 A, density 1.88 g/cm3, surface area 3974.77 m2/g, accessible volume 0.12 cm3/g