**[Cr:4, Lc:3, Tt:0, Lb:0]**

- Theory of emission and absorption of radiation, symmetry property of wave functions, the Boltzmann distribution, selection rules, induced emission and induced absorption, integrated absorption coefficient.
- Rotational spectroscopy: Linear polyatomic molecules, symmetric top molecules, asymmetric top molecules, Stark effect, quadrupole hyperfine interaction, rotational spectrum of polyatomic molecules, molecular rotation-nuclear-spin coupling, derivation of selection rules.
- Vibrational spectroscopy: Interaction of vibration and rotation, vibrations of polyatomic molecules, normal modes and normal coordinates, quantum-mechanical treatment of vibrations of polyatomic molecules.
- Rotational-vibrational spectroscopy: Influence of rotation on the spectra of polyatomic molecules, theoretical model for describing ro-vibrational spectra, selection rules and transitions, coupling of rotation and vibration, quantum-mechanical description.
- Electronic spectroscopy of diatomic molecules, the vibrational structure of electronic bands, rotational structure of electronic bands, electronic states of atoms, electron orbitals and electronic states in diatomic molecules, potential energy curves for electronic states of diatomic molecules
- Magnetic resonance spectroscopy: Nuclear spin interactions, quantum-mechanical description of NMR interactions, basic principles of pulse-NMR, description of simple experiments such as cross-polarization, INEPT and DEPT experiments, introduction to dynamic nuclear polarization (DNP) experiments.

- P. F. Bernath, Spectra of Atoms and Molecules, 2nd Ed, Oxford University Press, USA (1995). J. M. Hollas, Modern Spectroscopy, 4th Ed, John Wiley & Sons Inc, England (2004).
- D. C. Harris, M. D. Bertolucci, Symmetry and Spectroscopy: An introduction to Vibrational and Electronic Spectroscopy, 1st Ed, Dover Publications, New York (1989).