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IAMS, Academia Sinica, Taiwan, 台灣 中研院原分所

Taiwan International Graduate Program (TIGP). Course: Molecular Spectroscopy. Professor: Wen-Bih Tzeng, Lab: 108, Office: 301 e-mail ： wbt@po.iams.sinica.edu.tw website ： http://www.iams.sinica.edu.tw/lab/wbtzeng /indexa.html.

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IAMS, Academia Sinica, Taiwan, 台灣 中研院原分所

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  1. Taiwan International Graduate Program (TIGP) Course: Molecular Spectroscopy Professor: Wen-Bih Tzeng, Lab: 108, Office: 301 e-mail：wbt@po.iams.sinica.edu.tw website：http://www.iams.sinica.edu.tw/lab/wbtzeng/indexa.html 3 lectures on electronic spectroscopy of molecules in the gas phase Tuesday 9:10-12:00, 2013/2/19 - 2012/3/5 (Classroom: 311) Suggested books (NTU Chemistry Library): 1.     Modern Spectroscopy, 4th ed. by J. Michael Hollas, John Wiley & Sons, 2004. 2.     Molecular Spectra and Molecular Structure, G. Herzberg, D. van Nostrand Company, Inc., QC 451.H463v.1 1950. IAMS, Academia Sinica, Taiwan,台灣 中研院原分所

  2. Lecture Planning

  3. Energy Levels

  4. Resonant two-photon (R2PI) and mass-analyzed threshold ionization (MATI) processes ionization electronic excitation wbt 5

  5. Preparation of C6H5NHD and C6H5ND2 (Mass 94) (Mass 93) (Mass 95)

  6. Preparation of C6D5NHD and C6D5ND2 (Mass 99) (Mass 100) (Mass 98)

  7. TOF spectra of deuterium substituted aniline isotopomers λ = 293.94 nm 93 ↔ C6H5NH2+ 94 ↔ C6H5NHD+ λ = 292.54 nm Relative Intensity 98 ↔ C6D5NH2+ 99 ↔ C6D5NHD+ λ = 292.48 nm 100 ↔ C6D5ND2+ Mass / amu

  8. Vibronic spectra of deuterium substituted aniline isotopomers (a) C6H5NH2 (b) C6H5NHD Relative Intensity (b) C6H5ND2 One photon energy / cm-1

  9. Vibronic spectra of deuterium substituted aniline isotopomers (a) C6D5NH2 (b) C6D5NHD Relative Intensity (c) C6D5ND2 Relative Wavenumber / cm-1

  10. MATI spectra ofdeuterium substituted aniline isotopomers (a) C6H5NH2 via S100 34029 cm-1 (b) C6H5NHD via S100 Relative Intensity 34031 cm-1 (c) C6H5ND2 via S100 34038 cm-1 Ion Internal Energy / cm-1

  11. MATI spectra ofdeuterium substituted aniline isotopomers (a) C6D5NH2 via S100 34193 cm-1 (b) C6D5NHD via S100 Relative Intensity 34195 cm-1 (c) C6D5ND2 via S100 34202 cm-1 Ion Internal Energy / cm-1

  12. Vibronic spectra of m-, o-, p-fluoroaniline by 1C-R2PI

  13. Vibronic spectra of m-, o-, p-fluoroaniline by 1C-R2PI

  14. Vibronic spectrum of m- and o-fluoroaniline mixture

  15. MATI spectra of m-, o-, p-fluoroaniline m-fluoroaniline NIST: 8.32 －8.33 eV MATI: 7.9543 ± 0.0006 eV o-fluoroaniline NIST: 8.2 －8.5 eV MATI: 7.8909 ± 0.0006 eV p-fluoroaniline NIST: 7.9 －8.2 eV MATI: 7.7543 ± 0.0006 eV

  16. Vibronic spectra of m-, o-, p-fluoroanisole m-fluoroanisole has cis and trans rotamers.

  17. MATI spectra of m-, o-, p-fluoroanisole trans-m-fluoroanisole NIST: 8.4 － 8.7 eV MATI: 8.4686 ± 0.0006 eV cis-m-fluoroanisole NIST: 8.4 － 8.7 eV MATI: 8.4144 ± 0.0006 eV o-fluoroanisole NIST: － MATI: 8.3508 ± 0.0006 eV p-fluoroanisole NIST: 8.3 － 8.6 eV MATI: 8.2371 ± 0.0006 eV

  18. IR and REMPI spectra of guanine Ref: (a) IR: Delabar et al., Spectrochim Acta 34A, 129 (1978). (b) REMPI: de Vries and coworkers, JACS 121, 4896 (1999).

  19. Possible structures of guanine (c) (b) (a) Ref: de Vries and coworkers, JCP 115, 4606 (2001).

  20. REMPI spectrum of guanine Ref: SC Yang, JL Lin, Lab 108, IAMS

  21. REMPI spectrum of guanine MP2/6-311G(d,p): a=7H-Keto, 1 kJ/mol b=9H-Keto, 4 kJ/mol c=9H-Enol, 0 kJ/mol Ref: SC Yang, JL Lin, Lab 108, IAMS

  22. REMPI spectrum of guanine MP2/6-311G(d,p): a=7H-Keto, 1 kJ/mol b=9H-Keto, 4 kJ/mol c=9H-Enol, 0 kJ/mol Ref: SC Yang, JL Lin, Lab 108, IAMS

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