Details of CH3101 (Autumn 2012)

Level: 3 Type: Theory Credits: 3.0

Course CodeCourse NameInstructor(s)
CH3101 Quantum Chemistry II Ashwani Kumar Tiwari

Syllabus
CH3101: Quantum Chemistry-II (3 credits)

Review of hydrogen atom (ladder operators).

Approximate methods : Time-independent and time-dependent perturbation
theories; their applications. The variation principle for ground and excited states. Linear variation method (including Hylleraas-Undheim-MacDonald theorem) and its applications : MO theory, VB theory, Hckel -electron MO theory; Hartree, Hartree-Fock and Hartree-Fock-Roothaan methods. Exchange, anti-symmetry and determinantal wave functions. Electron correlation. Configuration interaction; natural orbitals. Born-Oppenheimer approximation; adiabatic and non-adiabatic approximations. Semi-empirical methods. Monte Carlo methods. Introduction to Second Quantization.

Concepts and methods of electronic structure : Electron density. Density
matrices; exchange-correlation hole. Virial and Hellmann-Feynman theorems. Force concept. Electrostatic potential and its significance in quantum biochemistry/ pharmacology. Thomas-Fermi-Dirac- Weizscker theory; inhomogeneous electron gas; mapping between density and potential; binding in molecules. Introduction to density functional theory for ground, excited and time-dependent states. Quantum fluid dynamics; charge and current densities; Bohm trajectories. Introduction to Mller-Plesset perturbation theory. Introduction to coupled cluster theory.

Electric properties of molecules : Linear, non-linear, dipole, multipole and
frequency-dependent polarizabilities. Bulk electrical properties. Refractive index. Dispersion forces. Retardation effects. Optical activity; rotational strength. Induced birefringence.

Magnetic properties of molecules : Susceptibility. Vector potential. Current
density; diamagnetic and paramagnetic current densities; susceptibility and current. Chemical shifts and shielding constants; neighbouring group effect. The g tensor. Spin-spin coupling. Hyperfine interactions.

Time-dependent quantum mechanics : Time-development operator. Time-dependent variation principle. Single atom or molecule in time-dependent external intense electric and/or magnetic fields ; non-perturbative approaches. Femtosecond and attosecond ultrafast, multi-photon phenomena.

References
Suggested Text/Reference Books :

1. I. N. Levine, Quantum Chemistry, Prentice-Hall, New Jersey (2000).
2. D.W. McQuarrie, Quantum Chemistry, Oxford University Press, Oxford (1983). With Solution Manual.
3. P.W. Atkins and R. S. Friedman, Molecular Quantum Mechanics, Oxford University Press, Oxford (1996). With Solution Manual.
4. A. Szabo and N. S. Ostlund, Modern Quantum Chemistry: Introduction to Advanced Electronic Structure Theory, Dover, New York (1996).
5. F. L. Pilar, Elementary Quantum Chemistry, Dover, New York (2001).
6. R. McWeeny and B.T. Sutcliffe, Methods of Molecular Quantum Mechanics, Academic Press, London (1993).
7. G. C. Schatz and M.A. Ratner, Quantum Mechanics in Chemistry, Dover, New York (2002).
8. F. Schwabl, Quantum Mechanics, Narosa, New Delhi (1995).
9. L. D. Landau and E. M. Lifshitz, Quantum Mechanics, Butterworth-Heinemann, London (2002).
10. R. D. Mattuck, A Guide to Feynman Diagrams in the Many-Body Problem, Dover, New York (1992).
11. B. L. Hammond, W. A. Lester, Jr and P. J. Reynolds, Monte Carlo Methods in Ab Initio Quantum Chemistry, World Scientific, Singapore (1994).
12. D. Tannor, Introduction to Quantum Mechanics : A Time-Dependent Perspective,
University Science Books, Herndon, VA (2005).
13. P. Corkum, M. Ivanov and D. Villeneuve (Editors), Special Issue on the Tenth
International Conference on Multiphoton Processes, J. Phys. B : At. Mol. Opt. Phys., Vol. 39 (2006).

Course Credit Options

Sl. No.ProgrammeSemester NoCourse Choice
1 IP 1 Not Allowed
2 IP 3 Not Allowed
3 MS 5 Core
4 RS 1 Not Allowed