Molecular Spectroscopy: A Physical Chemist’s perspective


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This is a comprehensive course on molecular spectroscopy. We start with dispersive and Fourier transform spectroscopic techniques, go on to derive selection rules from Time dependent perturbation theory, develop a quantum mechanical treatment of spin resonance spectroscopy and then move on to a discussion of spectra of polyatomic molecules using symmetry. This course is the same as CH 442 of IIT Bombay

Chemistry, Physics and UG students of Engineering


Week 1  :  Introduction, Disperive spectrometers ,Fourier Transform spectrometers, Signal to Noise Ratio, Microwave Spectroscopy of diatomic molecules
Week 2  :   Derivation of selection rules for microwave spectra, Simple harmonic oscillator, Selection rule, Rovibrational spectra
Week 3  : Anharmonic perturbation, Raman effect, Raman spectroscopy
Week 4  :  Time dependent perturbation theory,Interaction of radiation with matter,Fermi’s golden rule
Week 5  :  Einstein treatment, Lasers and lineshapes, Laser spectroscopy
Week 6  :  Magnetic resonance,Classical treatment of relaxation,Pulse sequences
Week 7  :  Perturbation theory for weak coupling,Variation method for strong coupling,Double resonance techniques
Week 8  :  Nuclear quadrupole resonance,Zeeman effect,Field effect on diatomic vibrotor
Week 9  :  Hyperfine interactions,Electronic spectra of diatomic molecules,Fortrat diagram
Week 10  :  Matrix vector formulation of vibration of polyatomic molecules,Normal modes of vibration,Symmetry of normal modes and IR/Raman activity
Week 11  :  Summary
Week 12  :  Revision