在這篇論文中，我們報導了對溴苯胺激發態S1及離子態D0的振動光譜。經測量後S1 ← S0躍遷能量為32590 ± 1 cm-1，而絕熱游離能則為62308 ± 5 cm-1。所觀察到的有效振動模式主要是苯環平面上對稱的運動，和苯胺上所觀察的結果相互一致。將所有觀察到的結果分別與苯胺、對氟苯胺及對氯苯胺的結果相互比較後，提供我們進一步了解重原子效應對電子躍遷、游離能及分子振動的影響。此外，我們也利用理論計算的結果來解釋所有的實驗發現。

Using the resonant two-photon ionization (R2PI) and mass analyzed threshold ionization (MATI) spectroscopic techniques, we have recorded the vibrationally resolved spectra of p-bromoaniline in the S1 and cationic ground state. The band origin of the S1

中文摘要..………………………………………….………………..…Ⅳ
英文摘要………………………………………………………………...Ⅴ
目錄………………………………………………………………….....Ⅵ
圖目錄……………………………………………………………….....Ⅷ
表目錄…………………………………………………………………….Ⅹ
壹、緒論…………………………………………………………….……1
一、簡介…………………………………….…………………………..1
二、研究目的……………………….………..…………………………3
貳、光譜技術…………………………………………………………….5
一、共振多光子游離光譜術….................................5
二、質量解析臨界游離光譜術.................................9
參、實驗設備..............................................18
一、真空系統.........………….............................18
二、雷射系統..............................................23
三、同步與信號收集........................................24
四、實驗過程..............................................28
肆、理論計算..............................................33
一、概論..................................................33
二、基底函數..............................................36
三、對溴苯胺理論計算......................................38
伍、結果..................................................41
一、共振多光子游離光譜術…................................41
二、質量解析臨界游離光譜..................................48
陸、討論..................................................53
一、重原子效應對分子結構影響..............................53
二、重原子效應對分子結構影響..............................56
三、重原子效應對分子結構影響..............................59
柒、結論與展望............................................63
捌、參考文獻..............................................65

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