Synthesis and Structural Characterization of Nickel String Complexes with the Novel H4bpyanyapy Ligand
| Autor: | Gin-Chen Huang, 黃俊程 |
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| Rok vydání: | 2005 |
| Druh dokumentu: | 學位論文 ; thesis |
| Popis: | 93 This thesis is presented to investigation of nickel string complexes which are composed of the bis(2-α-pyridylamino-1,8- naphthyridyl-7-amino)pyridine ligand. We have successfully synthesized clipped and linear forms of nickel string complexes, but we failed to grow the single crystal of the undeca-nuclear metal linear metal complex. The clip type tetra-nuclear complexes can be deprotonated, and each protonated form exhibit different solubility. We can observe the small changes on the bond length of the ligand of these complexes, by structural analysis. The tetranuclear metal string complexes may further react with methyl iodide, but cannot react with tosyl chloride. It is possibly due to the steric hinderence and poor necleophilicity. The anti-ferromagnetic coupling strength of tetra-nuclear nickel metal string complex lay between tri-nuclear and penta-nuclear complexes. It is in a good agreement with the trend of a series of metal string complexes in our lab. |
| Databáze: | Networked Digital Library of Theses & Dissertations |
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