CH3203 : Advanced Spectroscopy (Spring 2013) | Academic Portal of IISER Kolkata

Details of CH3203 (Spring 2013)

Level: 3

Type: Theory

Credits: 3.0

Course Code	Course Name	Instructor(s)
CH3203	Advanced Spectroscopy	Ashwani Kumar Tiwari, Debansu Chaudhuri

Syllabus
Spectroscopic transitions : Einstein A and B coefficients, transition probability and transition moment integral. Electric and magnetic dipole transition. Width of spectral lines. Atomic transitions : Fine structure of H-like atoms : spin-orbit coupling, coupling constant and wave functions, spin-orbit interaction for s electrons, Darwin term, Lamb-Rutherford shift. Atoms in uniform magnetic field; normal Zeeman effect, weak field approximation. Many electron atoms; central field approximation. Vector model of atom, Russell-Saunders (LS) coupling and spectroscopic terms, fine structure, selection rules. j-j coupling, spectra of alkali metal atoms. Zeeman and Paschen-Back effects. Molecular rotational and vibrational spectroscopy : Rotations and vibrations of diatomic and polyatomic molecules. Symmetry of rotational states, selection rules; effect of nuclear spin ; intensity attraction and missing lines. Stark effect. Molecular vibrations ; normal modes and normal coordinates; normal modes and symmetry. Coriolis interaction, accidental degeneracy and Fermi resonance. Vibrating rotor. Molecular electronic spectroscopy : Born-Oppenheimer approximation; electron orbitals and electronic states; molecular terms (diatomic molecules). Electronic transition, vibrational structure, Franck Condon principle. Dissociation energy, interaction of rotating and electronic motion, Lambda doubling, predissociation. Rydberg states. Raman Spectroscopy : Rotational and vibrational Raman spectra of polyatomic molecules, polarizability ellipsoid, depolarization, mutual exclusion principle, resonance Raman spectroscopy. Elementary idea of CARS. Emmission Spectroscopy : Fluorescence and Phosphorescence. Photophysical pathways for de-excitation, quantum yield, life time of excited states; anisotropy of fluorescence; solvent effect on absorption and fluorescence spectra ; Lippert-Mataga equation. Fluorescence correlation spectroscopy. Application of fluorescence spectroscopy. Laser Spectroscopy: Population inversion. Laser action in three and four level systems, tunable lasers. Applications of lasers in chemistry; isotope separation, dynamics of photodissociation, biphotonic processes, multiphoton excitation and ionization, selection rules. Resonance Spectroscopy : Energy levels and wave functions of two-spin systems (A2, AB and AX); origin of spin-spin coupling; conformational conversion or exchange process. Solid state NMR. Pulse techniques in NMR; spin relaxation, spin echo, imaging, spin decoupling, nuclear Overhauser effect (NOE). Introduction to two-dimensional NMR.

Syllabus

Spectroscopic transitions : Einstein A and B coefficients, transition probability and transition moment integral. Electric and magnetic dipole transition. Width of spectral lines.

Atomic transitions : Fine structure of H-like atoms : spin-orbit coupling, coupling constant and wave functions, spin-orbit interaction for s electrons, Darwin term, Lamb-Rutherford shift. Atoms in uniform magnetic field; normal Zeeman effect, weak field approximation. Many electron atoms; central field approximation. Vector model of atom, Russell-Saunders (LS) coupling and spectroscopic terms, fine structure, selection rules. j-j coupling, spectra of alkali metal atoms. Zeeman and Paschen-Back effects.

Molecular rotational and vibrational spectroscopy : Rotations and vibrations of diatomic and polyatomic molecules. Symmetry of rotational states, selection rules; effect of nuclear spin ; intensity attraction and missing lines. Stark effect. Molecular vibrations ; normal modes and normal coordinates; normal modes and symmetry. Coriolis interaction, accidental degeneracy and Fermi resonance. Vibrating rotor.

Molecular electronic spectroscopy : Born-Oppenheimer approximation; electron orbitals and electronic states; molecular terms (diatomic molecules). Electronic transition, vibrational structure, Franck Condon principle. Dissociation energy, interaction of rotating and electronic motion, Lambda doubling, predissociation. Rydberg states.

Raman Spectroscopy : Rotational and vibrational Raman spectra of polyatomic molecules, polarizability ellipsoid, depolarization, mutual exclusion principle, resonance Raman spectroscopy. Elementary idea of CARS.

Emmission Spectroscopy : Fluorescence and Phosphorescence. Photophysical pathways for de-excitation, quantum yield, life time of excited states; anisotropy of fluorescence; solvent effect on absorption and fluorescence spectra ; Lippert-Mataga equation. Fluorescence correlation spectroscopy. Application of fluorescence spectroscopy.

Laser Spectroscopy: Population inversion. Laser action in three and four level systems, tunable lasers. Applications of lasers in chemistry; isotope separation, dynamics of photodissociation, biphotonic processes, multiphoton excitation and ionization, selection rules.

Resonance Spectroscopy : Energy levels and wave functions of two-spin systems (A2, AB and AX); origin of spin-spin coupling; conformational conversion or exchange process. Solid state NMR. Pulse techniques in NMR; spin relaxation, spin echo, imaging, spin decoupling, nuclear Overhauser effect (NOE). Introduction to two-dimensional NMR.

References
1. G. Herzberg, Molecular Spectra and Molecular Structure. Volume I: Spectra of Diatomic Molecules; Volume II: Infrared and Raman spectra of Polyatomic Molecules;Volume III: Electronic spectra and electronic Structure of polyatomic Molecules, Van Nostrand, New York. 2. I. N. Levine, I. N. Levine, Molecular Spectroscopy, John Wiley, New York. 3. J. L. McHale, Molecular Spectroscopy, Prentice Hall, New Jersey. 4. J. I. Steinfeld, Molecules And Radiation: An Introduction To Modern Molecular Spectroscopy, Dover, New York. 5. P. F. Bernath, Spectra of Atoms and Molecules, Oxford University Press, Oxford. 6. L.J. Bellamy, The Infra-Red Spectra of Complex Molecules, Chapman and Hall, London. 7. J. D. Graybeal, Molecular Spectroscopy, McGraw-Hill, New York. 8. D. C. Harris, Symmetry and Spectroscopy: An Introduction to Vibrational and Electronic Spectroscopy, Dover, New York. 9. J. M. Hollas, Basic Atomic and Molecular Spectroscopy, JohnWiley, New York. 10. W. Demtrder, Laser Spectroscopy, Springer, Berlin. 11. Introduction to Molecular Spectroscopy; G. F. Barrow (McGraw Hill) 12. P. W. Atkins and J. de Paula, Physical Chemistry, Oxford University Press, Oxford. 13. D. A. McQuarrie and J. D. Simons, Physical Chemistry: A Molecular Approach, University Science Books. 14. T. Engel and P. Reid, Physical Chemistry, Pearson Education 15. P.S. Sindhu, Molecular spectroscopy, Tata-McGraw Hill, New York. 16. A. Carrington and A. D. McLachlan, Introduction to Magnetic Resonance, Chapman and Hall, London. 17. D. W. Turner, C. Baker, A. D. Baker and C. R. Brundle, Molecular Photoelectron Spectroscopy, Wiley-Interscience, New York. 18. B. Narayan, Fundamentals of Spectroscopy, Allied Publishers, New Delhi.

References

1. G. Herzberg, Molecular Spectra and Molecular Structure. Volume I: Spectra of Diatomic Molecules; Volume II: Infrared and Raman spectra of Polyatomic Molecules;Volume III: Electronic spectra and electronic Structure of polyatomic Molecules, Van Nostrand, New York.
2. I. N. Levine, I. N. Levine, Molecular Spectroscopy, John Wiley, New York.
3. J. L. McHale, Molecular Spectroscopy, Prentice Hall, New Jersey.
4. J. I. Steinfeld, Molecules And Radiation: An Introduction To Modern Molecular
Spectroscopy, Dover, New York.
5. P. F. Bernath, Spectra of Atoms and Molecules, Oxford University Press, Oxford.
6. L.J. Bellamy, The Infra-Red Spectra of Complex Molecules, Chapman and Hall, London.
7. J. D. Graybeal, Molecular Spectroscopy, McGraw-Hill, New York.
8. D. C. Harris, Symmetry and Spectroscopy: An Introduction to Vibrational and Electronic Spectroscopy, Dover, New York.
9. J. M. Hollas, Basic Atomic and Molecular Spectroscopy, JohnWiley, New York.
10. W. Demtrder, Laser Spectroscopy, Springer, Berlin.
11. Introduction to Molecular Spectroscopy; G. F. Barrow (McGraw Hill)
12. P. W. Atkins and J. de Paula, Physical Chemistry, Oxford University Press, Oxford.
13. D. A. McQuarrie and J. D. Simons, Physical Chemistry: A Molecular Approach,
University Science Books.
14. T. Engel and P. Reid, Physical Chemistry, Pearson Education
15. P.S. Sindhu, Molecular spectroscopy, Tata-McGraw Hill, New York.
16. A. Carrington and A. D. McLachlan, Introduction to Magnetic Resonance, Chapman and Hall, London.
17. D. W. Turner, C. Baker, A. D. Baker and C. R. Brundle, Molecular Photoelectron
Spectroscopy, Wiley-Interscience, New York.
18. B. Narayan, Fundamentals of Spectroscopy, Allied Publishers, New Delhi.

Course Credit Options

Sl. No.	Programme	Semester No	Course Choice
1	IP	2	Core
2	IP	4	Not Allowed
3	MS	6	Core
4	RS	1	Elective

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Details of CH3203 (Spring 2013)

Course Credit Options