Molecular Spectroscopy - 1st Edition - ISBN: 9780125806404, 9780323150378

Molecular Spectroscopy

1st Edition

Modern Research

Editors: K.N. Rao
eBook ISBN: 9780323150378
Imprint: Academic Press
Published Date: 28th January 1972
Page Count: 436
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Description

Molecular Spectroscopy: Modern Research explores the advances in several phases of research in molecular spectroscopy. This eight-chapter book commemorates the 25th anniversary of the annual Columbus Symposium on Molecular Structure and Spectroscopy, held in September, 1970. This book highlights the spectroscopic studies of molecular species in the gas phase and in matrices. Representative articles are also included that cover the applications of molecular studies in a wide variety of areas such as biophysics, astrophysical problems, and energy transfer processes. Other chapters describe the progress achieved in the technology of high resolution spectroscopy and the techniques and terminology of Lamb-dip spectroscopy. A comprehensive bibliography is included for most of the subjects discussed and this text concludes with tables of standard data listing secondary wavelength standards, fundamental constants, atomic masses, and conversion factors of interest to spectroscopists. Spectroscopists, chemists, and researchers will find this work invaluable.

Table of Contents


List of Contributors

Preface

Chapter 1. Lamb-DIP Spectroscopy

1.1 Hyperfine Structure in the Electronic Spectrum of I2

References

Chapter 2. Microwave Spectra

2.1 Microwave Spectroscopy

Introduction

Development of Techniques

Molecular Structure

Nuclear Quadrupole Coupling

Zeeman Effect in Diamagnetic Molecules

Internal Rotation and Other Large-Amplitude Motions

Vibration-Rotation Interactions

References

2.2 Rotational Levels of Free Radicals

Introduction

Microwave and Electron Resonance Spectra of the OH Radical

Recent Pure Microwave and Electron Resonance Studies

Molecular-Beam and RF/Optical Double-Resonance Methods

Conclusions and Possible Future Developments

References

2.3 Information on Rotational Energy Transfer from Microwave Line Broadening

References

2.4 Rotational Spectra of Molecules with Two Internal Degrees of Freedom

References

2.5 Interstellar Molecules and the Interstellar Medium

References

Chapter 3. Infrared Spectra

3.1 High-Resolution Infrared Spectroscopy of Planetary Atmospheres

Introduction

The Outer Planets

The Inner Planets

Future Research

References

3.2 Vibration-Rotation Structure in Asymmetric- and Symmetric-Top Molecules

Introduction

Asymmetric Tops

Symmetric Tops

Discussion

References

3.3 Molecular Laser Emissions in the Infrared

Introduction

References

Basic Observational Data

Laser Spectra and Molecular Structure

References

Bibliography

Chapter 4. Electronic Spectra

4.1 Progress in Electronic Spectroscopy of Polyatomic Molecules

Introduction and Scope

Triatomic Dihydrides BH2, CH2, NH2 , OH2, AlH2, SiH2, PH2, SH2, AsH2

Carbon Dioxide, Carbon Disulfide, and Their Ions CO2, CO2+, CS2, CS2+

Acetylene C2H2

Boron Trifluoride BF3

Formaldehyde H2CO

Ethylene C2H4

Ethane C2H6

Benzene C6H6

Methinophosphide and Pyrazine HCP and p-C4H4N2

Naphthalene C10H8

Anthracene C14H10

Conclusion and Outlook

References

4.2 Rotational Line Strengths: The O2+b4Σg--a4Πu Band System

Introduction

The Rotational Structure of the O2+ First Negative Bands

Experimental Line Strengths

Comparison with Calculated Line Strengths

References

4.3 A Chrestomathy of Energy Transfer Research on Iodine

References

4.4 Nuclear Hyperfine Structure in the Electronic Spectra of Diatomic Molecules

Introduction

Theoretical

Experimental

Summary

References

Chapter 5. Matrix Spectra

5.1 Infrared and Ultraviolet Spectroscopic Studies of Free Radicals and Molecular Ions Isolated in Inert Solid Matrices

General Discussion

Diatomic Free Molecules

Triatomic Free Radicals

Tetratomic Free Radicals

Pentatomic Free Radicals

Molecular Ions

References

Chapter 6. Biophysics

6.1 The Competition among Biprotonic Phototautomerism, Excimer Formation, and Proton Tunneling in DNA Base-Pairs

Rapid Excitation Phenomena in Η-Bonded Base-Pairs

Proton Tunneling and Molecular Excimer Formation

Biprotonic Phototautomerism

Temperature Dependence of Phototautomerism

Tautomer Excitation Frequencies of Purines

Potential Energy Functions for Tautomerism of Η-Bonded Base-Pairs

Biological Implications

Summary

References

Chapter 7. Instrumental Techniques

7.1 Fourier Spectroscopy

Introduction

Theory

Instruments

References

7.2 Grille Spectrometers

Introduction

Simplified Theory of a Grille Spectrometer

Problems Encountered in an Actual Grille Spectrometer

Special Properties of Some Types of Grilles

References

7.3 Large Plane Gratings for High-Resolution Infrared Spectrographs

Introduction

Grating Equation

Echelles

Wavelength Calibration Techniques

References

Chapter 8. Tables of Standard Data

Table I. Fundamental Physical Constants

Table II. Defined Quantities and Standard Prefixes

Table III. Conversion Factors

Tables IV-X. Wavelength Standards

Table XI. Atomic Mass, Nuclear Spin, and Abundance (or Half-Life) of Each Element

Table XII. 1969 Table of Atomic Weights

References

Author Index

Index of Molecular Species

Subject Index




Details

No. of pages:
436
Language:
English
Copyright:
© Academic Press 1972
Published:
Imprint:
Academic Press
eBook ISBN:
9780323150378

About the Editor

K.N. Rao

Ratings and Reviews