Faculty of Science

Objectives

To introduce the phenomena of chemical shift, spin-spin coupling, coupling constants, and analysis of spin systems and structure determination; concepts and elementary applications of electron spin resonance as well as IR and UV/Visible spectroscopy.

Contents

The chemical shift; the Boltzmann distribution; spin lattice relaxation; Quantum mechanical model for NMR; magnetic anisotropy; Atomic and molecular shielding; chemical and magnetic equivalence; Coupling constants: geminal, vicinal, long range; sign of coupling constants, hybridisation and coupling constants; virtual coupling; geometrical effects; Integration and quadrupolar effects; Nomenclature of spin systems: AB, ABX, AX, etc. Diamagnetic and paramagnetic ring current effects; chemical shift reagents; Decoupling and spin tickling techniques; nuclear Overhauser effects (NOE); NMR spectra of exchanging systems; Free radicals and electron spin resonance (esr) spectroscopy: Introduction to carbon-13 nuclear magnetic resonance spectroscopy; Ultra-violet spectroscopy: the electromagnetic spectrum; absorption of electromagnetic radiation; chromophores; fluorescence; phosphorescence; Electronic effects; Beer-Lambert Law and its quantitative aspects; infrared spectroscopy: molecular vibrations; the force constant; group frequencies; shape and fine structure.

Prerequisite: