Cover -- Preface -- Contents -- Chapter 1. Quantization of Energy -- 1.1 Introduction -- 1.2 Bohr Model of Hydrogen Atom -- 1.3 Idea of Wave-Particle Duality -- 1.4 Heisenberg Uncertainty Principle -- 1.5 Probability -- 1.6 Schrodinger Wave Equation -- 1.7 Significance of Wave Function, ψ -- 1.8 Wave Equation for Hydrogen Atom -- 1.9 Spectra of Hydrogen Atoms -- 1.10 Use of Atomic Term Symbols to Describe Atomic Spectra -- 1.11 Wave Equations for Some Systems -- Chapter 2. Introduction to Molecular Spectroscopy -- 2.1 Spectroscopy -- 2.2 Nature of Radiation -- 2.3 Born-Oppenheimer Approximation -- 2.4 Absorption, Emission and Scattering Spectra -- 2.5 Spectrophotometers -- 2.6 Regions of Electromagnetic Radiations -- 2.7 Intensity of Spectral Lines -- 2.8 Width of Spectral Lines -- 2.9 Scattering Spectra-Raman Spectroscopy -- 2.10 Importance of Molecular Spectroscopy -- Problems -- Chapter 3. Particle in a Box -- 3.1 Particle in One-Dimensional Box -- 3.2 Quantization of Energy -- 3.3 Zero Point Energy -- 3.4 Particle in a Three-Dimensional Cubical Box -- 3.5 Degeneracy -- Chapter 4. Rotational Spectra -- 4.1 Introduction -- 4.2 Diatomic Molecules as a Rigid Rotator and Energy Levels -- 4.3 Selection Rules -- 4.4 Effect of Isotopic Substitution -- 4.5 Intensity of Spectral Lines -- 4.6 Rotational Raman Spectrum -- Problems -- Problems -- Chapter 5. Vibrational Spectra -- 5.1 A Vibrating Diatomic Molecule -- 5.2 Selection Rules -- 5.3 Effect of Isotopic Substitution -- 5.4 Interaction Between IR-Radiation and Vibrating Molecules -- 5.5 Anharmonicity in Vibrations -- 5.6 Vibrational Raman Spectra -- 5.7 Polyatomic Molecules -- 5.8 Carbon Dioxide -- 5.9 Water -- Problems -- Chapter 6. Group Frequency Concept -- 6.1 Introduction -- 6.2 Regions -- 6.3 Effect of Hydrogen Bonding -- 6.4 Application of IR Spectra in Structure Determination.

6.5 Sample Preparation for Spectra Recording -- Problems -- Chapter 7. Electronic Spectra -- 7.1 Born-Oppenheimer Approximation -- 7.2 Electronic Transitions in Heteronuclear Diatomic Molecules -- 7.3 Homonuclear Diatomic Molecules -- 7.4 Franck-Condon Principle -- 7.5 Dissociation Energy -- 7.6 Dissociation Energy and Temperature -- 7.7 Dissipation of Energy by Excited Molecules -- 7.8 Phosphorescence -- Problems -- Chapter 8. Electronic Transitions in Organic Molecules -- 8.1 Various Bonds and Transitions -- 8.2 Some Important Terms Used in Electronic Transitions -- 8.3 Absorption Due to Ethylene Chromophore -- 8.4 Acetylenic and Benzenoid Chromophores -- 8.5 Carbonyl Chromophore -- 8.6 Solvent Effects on Electronic Spectra -- 8.7 Colour and Constitution -- 8.8 Sample Preparation -- Problems -- Chapter 9. Transition Metal Complexes and their Electronic Structures -- 9.1 Crystal Field Theory -- 9.2 Crystal Field Stabilization Energy (CFSE) for Weak and Strong Octahedral Fields and Pairing Energies -- 9.3 Factors Affecting Magnitude of 10Dq -- 9.4 CFSE for Tetrahedral Symmetry -- 9.5 Ligand Field Theory -- 9.6 Electronic Absorption Spectra of Complexes -- 9.7 Energy Level Diagrams -- 9.8 Jahn-Teller Effect -- 9.9 Jahn-Teller Tetragonal Distortion in Octahedral Symmetry -- 9.10 Square Planar Coordination -- Problems -- Chapter 10. Proton Magnetic Resonance -- 10.1 Magnetic Moments -- 10.2 Larmor Precession -- 10.3 Techniques and Instrumentation -- 10.4 Chemical Shift -- 10.5 Spin-Spin Interaction-Qualitative Treatment -- 10.6 Solved Examples -- Problems -- Chapter 11. Electron Paramagnetic Spin Resonance -- 11.1 Introduction -- 11.2 Hyperfine Structure -- 11.3 ESR Spectra of Radicals/Ions With Equivalent Protons -- 11.4 ESR Spectra of Aromatic Radicals/Ions -- Problems -- Chapter 12. Some Applications of Molecular Spectroscopy.

Nuclear Magnetic Resonance -- Microwave Spectroscopy -- Infrared and Raman Spectroscopy -- Ultraviolet Spectroscopy -- Appendix I Photochemistry -- Appendix II Time Management -- Appendix III References -- Appendix IV Some Very Good Internet Sites On Spectroscopy -- Appendix V Some Relationships Between Commonly Used Units -- Index.