生化分子質譜與光譜學實驗室 Laboratory for Mass Spectrometric and Spectroscopic Studies of Biomolecules

Our research findings

The adiabatic ionization energy of di-substituted benzene derivatives has a "MOP" propensity.

"MOP" propensity: meta > ortho > para (MOP)

o-, m-, p-methoxyaniline

ionization energy: trans-m-methoxyaniline (60879 cm−1) > cis-m-methoxyaniline (59983 cm−1) > o-methoxyaniline (58678 cm−1) > p-methoxyaniline (57445 cm−1) “Mass analyzed threshold ionization spectroscopy of p-methoxyaniline cation and influence of the OCH3 substituent”, Jieli Lin, Jung Lee Lin, and Wen Bih Tzeng, Chem. Phys. Lett. 370, 44–51 (2003). “Resonant two-photon ionization and mass-analyzed threshold ionization spectroscopy of the selected rotamers of m-methoxyaniline and o-methoxyaniline”, Jung Lee Lin, Chen Jso Huang, Cheng Huang Lin, Wen Bih Tzeng, J. Mol. Spectrosc. 244, 1–8 (2007).

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背景音樂：給愛麗絲 (貝多芬)