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Quantum Mechanical Foundations of Molecular Spectroscopy. Edition No. 1

  • ID: 5178881
  • Book
  • February 2021
  • 225 Pages
  • John Wiley and Sons Ltd
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The book covers the quantum mechanical fundamentals of molecular spectroscopy from the view of a practicing spectroscopist, rather than a theoretician. Therefore, the book provides the background and derivation of the subjects necessary to understand spectroscopy: stationary energy states, transitions between these states, selection rules and symmetry. Several forms of spectroscopy, used in many fields of science, are discussed, such as fluorescence, surface spectroscopies, linear and non-linear Raman spectroscopy and spin spectroscopy.
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Preface
Introduction

1 TRANSITION FROM CLASSICAL PHYSICS TO QUANTUM MECHANICS
1.1 Description of Light as a Wave
1.2 Black Body Radiation
1.3 Photoelectric Effect
1.4 H-Atom Absorption and Emission
1.5 Molecular Spectroscopy
1.6 Summary

2 PRINCIPLES OF QUANTUM MECHANICS
2.1 Postulates of Quantum Mechanics
2.2 Potential Energy and Potential Functions
2.3 Demonstration of Quantum Mechanical Principles for a Simple, One-Dimensional, One-Electron Model System: The Particle-in-a-Box ("PiB")
2.4 Two-Dimensional PiB, the Unbound Particle, and the PiB with Finite Energy Barriers
2.5 Real-World PiBs: Poly-Enes, Quantum Dots and Quantum Cascade Lasers

3 PERTURBATION OF STATIONARY STATES BY ELECTROMAGNETIC RADIATION
3.1 Time Dependent Perturbation Treatment of Stationary State Systems by EM Radiation
3.2 Dipole-Allowed Transition and Selection Rules for the PiB
3.3 Einstein Coefficients for the Absorption and Emission of Light
3.4 Lasers

4 THE HARMONIC OSCILLATOR, A MODEL SYSTEM FOR THE DIATOMIC MOLECULES
4.1 The Harmonic Oscillator Schrödinger Equation, Energy Eigenvalues and Wave Functions
4.2 The Transition Moment for the Harmonic Oscillator
4.3 Real Diatomic Molecules, Anharmonicity
4.4 Infrared Absorption Spectroscopy of Diatomic Molecules

5 VIBRATIONAL INFRARED AND RAMAN SPECTROSCOPY OF POLYATOMIC MOLECULES
5.1 Vibrational Energy of Polyatomic Molecules
5.2 Transition Moments and Symmetry-Based Selection Rules in Absorption
5.3 Polarizability, Raman Scattering and Symmetry-Based Selection Rules in Scattering
5.4 Practical Infrared and Raman Spectroscopy

6 ROTATION OF RIGID MOLECULES: ROTATIONAL SPECTROSCOPY
6.1 Classical Rotational Energy
6.2 Quantum Mechanics of Rotational Spectroscopy, Selection Rules
6.3 Rot-Vibrational Transitions

7 H ATOM AND MANY-ELECTRON ATOMS
7.1 Eigenfunctions, Eigenvalues and Orbitals for the Hydrogen Atom
7.2 Many Electron Atoms, Slater Orbitals, and the Periodic Chart
7.3 Atomic Spectra

8 ELECTRONIC STATES AND SPECTROSCOPY OF POLYATOMIC MOLECULES
8.1 Electronic Energy Levels of Polyatomic Molecules
8.2 Ultraviolet and Visible Spectroscopy of Polyatomic Molecules

9 INTERACTION OF ELECTRONIC AND VIBRATIONAL ENERGY LEVELS
9.1 Introduction to Vibronic Theory
9.2 Fluorescence Spectroscopy
9.3 Recent Advances and Biological Applications of Fluorescence Spectroscopy

10 SPIN STATES AND SPIN SPECTROSCOPY
10.1 The Angular Momentum Operator Revisited, and Spin States
10.2 Transitions Between Spin States
10.3 Basic Nuclear Magnetic Resonance Spectroscopy

Appendix I. Constants and Their Numerical Values
Appendix II. Mathematical Principles
Appendix III. Perturbation Methods
Appendix IV. Group Theory
Appendix V. Fourier Transforms and Fourier Transform Spectroscopies
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Max Diem Hunter College.
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