Advances in Magnetic Resonance (eBook)

Front Cover 1
Advances in Magnetic Resonance 4
Copyright Page 5
Table of Contents 10
Contributors 6
Preface 8
Contents of Previous Volumes 12
Chapter 1. The Study of Anisotropie Rotation of Molecules in Liquids by NMR Quadrupolar Relaxation 16
I. Introduction 17
II. Molecular Reorientation in Liquids 20
III. The Rotational Diffusion Constants 23
IV. Quadrupolar Relaxation and Rotational Diffusion 28
V. Application of Quadrupolar Relaxation to the Study oftional Diffusion 35
VI. Experimental Studies 42
VII. Conclusion 49
Appendix A 49
Appendix B 50
ACKNOWLEDGMENTS 52
Chapter 2. The Alternating Linewidth Effect 54
I. Introduction 54
II. The General Model 56
III. Theoretical Formulations of the Problem 59
IV. Applications 67
V. Conclusion 98
Appendix. A Computer Program Using the Modified Bloch Equations 99
Addendum 99
Chapter 3. Line Shapes in High-Resolution NMR 102
I. Introduction 103
II. The Density Matrix. Equations of Motion 105
III. Matrix Representations of the Equations of Motion 113
IV. The Relaxation Matrix G 122
V. Steady State Solutions of the Equations of Motion 132
VI. The Slow Passage Spectrum 137
VII. On the Selection of Basis for the Matrix Representations 163
VIlI. Incorporation of Chemical Exchange 183
IX. Applications to a Two-Spin System 187
X. Conclusion 211
Appendix A 212
Appendix B100 213
Chapter 4. Analysis of Hydrogen Bondingand Related Association Equilibriaby Nuclear Magnetic Resonance 216
I. Introduction 216
II. Analysis of Self-Association in Nonassociating Solvents 222
III. Thermodynamic Parameters for Self-Association 253
IV. Intramolecular Hydrogen Bonds 263
V. Donor-Acceptor Interactions between Unlike Molecules 268
VI. Contributions of NMR to Hydrogen Bonding Studies 285
ACKNOWLEDGMENTS 285
Chapter 5. Nuclear Spin Relaxation by Double Resonance 286
I. Introduction 286
II. Density Matrix Theory of Double Resonance 290
III. Methods of Solution of the Density Matrix Equations 297
IV. Application to Specific Examples 315
V. Conclusion 346
ACKNOWLEDGMENTS 347
Author Index 348
Subject Index 356