Synthesis, Characterization And Characterization Of Poly - Tooth Flexible Nitrogen - Containing Ligand Complexes

Six coordination compounds have been solvothermally synthesized by the reaction of flexible organic ligands1,3-bis(imidazol-1-ylmethyl)-2,4,6-trimethylbenzene (m-bitmb),1,4-bis(imidazol-1-ylmethyl)-2,3,5,6-tetramethylbenzene (p-bitmb),1,3-bis(triazol-l-ylmethyl)-2,4,6-trimethylbenzene (m-bttmb) and1,3,5-tri(1,2,4-triazol-1-ylmethyl)-2,4,6-trimethylbenzene (tttmb) with different metal salts. The XRD powder diffraction, IR spectra, thermal stability thermal properties, elemental analyses as well as have been characterized.A novel3D porous{[Cu2Cl2(tttmb)2(CHO2)2](H2O)6.25}n (1) have been obtained by volatilization assisted solvothermal synthesis using tttmb and Cu salt. The decomposition of DMF played important role in the formation of the resulted structure.Two structural isomers of [Cu(m-bttmb)2Cl2]n (2) and {[Cu(m-bttmb)2(H2O)Cl]Cl(CH3CN)0.5(H2O)2.75}n (3) have been solvothermally synthesized by the reaction of m-bttmb with copper salt. Both2and3have2D4-connected (4,4)architecture.2has a nonporous neutral framework while3has a positive framework. Solvent and temperature played a very important role in deciding what kind of framework woule be foumed.Two1D chain compounds{[Cu(Ⅰ)2Cl(p-bitmb)2]-(Cu(Ⅰ)Cl2)·H2O}n (4) and [CoCl2(p-bitmb)]n (5) have been solvothermally synthesized by using p-bitmb and MC12salt (M=Cu or Co). The reduction of Cu(Ⅱ) to Cu(Ⅰ) was found in4.One M2L2-type ring-liked compounds{[Au2(m-bitmb)2](AuCl2)2(CH3CN)2}n (6) has been formed by diffusing using m-bitmb and Au salt.Ni or Co-containing nano-coordination polymers have also been solvothermally synthesized. The effects of different factors on the morphologies have been discussed.