本篇以核磁共振的方法，測量1-butyl-3-methylimidazolium hexafluorophosphate ( BMI-PF6 )分別加入稀釋劑苯，氟苯，三氟乙醇後，稀釋劑濃度(莫爾分率0.1-0.5)與溫度(300K-320K)的改變，在化學位移，遲緩時間(1H、19F)，及擴散速率的影響。
在此，我們認為離子狀態的不同是影響擴散的主要因素 – 運用超陰離子、超陽離子的概念，解釋核磁共振觀測到的數據。
同時，從使用的稀釋劑的氟化與否，希冀能了解脂肪族與芳香族在加入含氟稀釋劑後的變化，能夠找出在融鹽與稀釋劑間的作用不同，並了解它們之間的作用力變化。
結果顯示，目前觀察到 1-butyl-3-methylimidazolium hexa- fluorophosphate( BMI-PF6 ) 融鹽在不同的稀釋劑，較低溫與較低濃度稀釋劑有利於超陰離子，並且陰離子擴散速度較陽離子對溫度還要敏感。苯與氟苯在融鹽中，因為堆疊情況不同，也呈現出相異的團聚現象，但仍是超陰離子主導整個系統。

1-butyl-3-methylimidazolium hexafluorophosphate ( BMI-PF6 ) was mixed with various diluents such as benzene, fluorobenzene, 2,2,2 tri -froroethanol. The content, molar fraction of diluents were 0.1 to 0.5 and the temperature variation was 300K to 320K (absolute temperature). The nuclear magnetic resonance techniques were applied to investigate the influence of chemical shift, relaxation time of 1H, 19F species, and diffusion coefficient.
The most important factor between anions and cations on the diffusion coefficient are the ionic states. To apply the new concept, the state of hyper anion and hyper cation , makes us easily know what happened to ions.
Additionally, we desire to understand the difference of ionic liquid constitution in aliphatic and aromatic diluents. The fluoride of diluents are also a great interest in our research. To find out what changes in the ionic liquid when the diluents were added is the purpose we try to accomplish.
A conclusion has been made. Hyper anions always exist in 1-butyl-3-methylimidazolium hexafluorophosphate ( BMI-PF6 ) where the diluents have been added and higher sensitive of anionic diffusivity than cationic diffusivity towards temperatures. Even if the anions and cations are a little different between benzene and fluorobenzene, the hyper anions still play the most important role in these cosolvent systems.

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