Syntheses And Characterization For TTF Based Functional Ligands

Molecular magnetic materials are characteristic of supramolecular chemistry in structure and they have macromagnetic characters. From microview, their primary characterars are molecule magnetic exchange. They are superior to traditional magnetic materials in many fields, such as low density, solubility, transport, tuning properties, flexibility.Organic conductor as a new research filed developed quickly in recent years. In the past, most of people thought organic compounds were insulator. However, American scientists found organic crystal TTF?TCNQ exhibited metal behavior in 1973. From then on, the research of organic conductor acquired rapid development.In early 60th, Little and McConnell put forward the theory of room superconductor and ferromagnet, respectively. It encourages scientists to do their best to realize these systems. The variety of organic and coordination polymers provide the possibility to design and synthesize complexes with conductive and magnetic character. It is very important for theory and application that interrelated physical character is exhibited within one component material.In this thesis, we improve synthesis route of TTFPy and increase its yield. And then, we try to synthesize its transition metal coordinational complex. Much effort has been devoted to obtain single crystals of these compounds. Considering high pressure and high temperature of hydrothermal technique, we study its TGA. We also study intramolecular charge transfer of TTFPy and its cyclic voltammetry after adding p-methyl benzene-sulfonic. Meanwhile, because carboxyl ligand has superiority in coordianation chemistry, we synthesize carboxyl substituted tetrathiafuvalene. We hope to study deeply molecule stacking and interactions.One dinuclear complex, [Co2(pdc)2(H2O)5]·2H2O, is synthesized under hydrothermal conditions. The structure of complex is characterized by X-ray crystallography, infrared and thermal gravimetric analyses. Magnetic susceptibility measurements indicate that it shows antiferromagnetic exchange interaction between the Co(II) ions.