Course Contents

1. Molecular spectroscopy a. Introduction to electromagnetic radiation Different regions of the electromagnetic radiation Different molecular processes Interaction of electromagnetic radiation with matter Introduction to microwave spectroscopy Classification of molecules 1) linear 2) symmetric tops 3)spherical tops 4) asymmetric tops Rigid rotor approximation Rotational spectra of rigid diatomic molecule Intensities and selection rule Rotational spectra of polyatomic molecule Stark effect in molecular rotation spectra Vibrational spectroscopy Introduction to vibrational spectroscopy The number of independent vibrations of polyatomic molecule Nuclear magnetic resonance spectroscopy Introduction to instrumentation, principle Chemical shift Spin-spin coupling Exercises Quantum chemistry Operators and their properties Algebra of operators 1)addition and subtraction 2)multiplication 3) commutative properties Eign values and eign function Angular momentum Classical and quantu mechanical concept Angular momentum in many electron system Approximation methods Variation method Perturbation method Treatment of simple harmonic oscillator Diatomic rigid rotar Valence bond theory Examples , exercises Molecular orbital theory Examples , exercises Pi- electron calculation

Course Synopsis

Molecular Spectroscopy and Quantum Chemistry Approach examines the recent progress made in the field of molecular spectroscopy; the state of the art of quantum chemistry for molecular spectroscopy

Course Learning Outcomes

After completion of this course, students will be able to: .Understand and relate the events which led toward the development of quantum mechanics  Understand the basic principles of wave mechanics  Relating the knowledge of mathematics to the formalism of quantum mechanics. • Understand the basic principles of spectroscopy where electromagnetic radiation interacts with chemical substances. • Know the different regions of the spectrum and the type of molecular transitions that correspond. [X-ray, core electronic/ionization; UV-VIS, valence electronic; infrared, IR, bond vibrations; microwave, bond rotation; radiowave, nuclear magnetic resonance. • Provides specific study of the application of molecular spectroscopy to different areas of science.