Raman studies of reorientational dynamics in liquids Page: III
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TABLE OF CONTENTS
Page
LIST OF TABLES . . . . . . . . ........................-- - - - - - - -- - v
LIST OF ILLUSTRATIONS ................................ vi
Chapter
I. GENERAL INTRODUCTION .........................1
A. Studies of Molecular Dynamics in Liquids .. 1
B. Line Broadening, Bandshape Analysis,
and Curve-fitting ....................... 2
1. Bandshape and Molecular Dynamics ....... 3
2. Bandshape Analysis and Curve-fitting ... 4
C. Reorientation in Symmetric-top Molecules .. 5
1. Rotations and Symmetry of Molecules .... 5
2. Reorientation .......................... 6
3. Diffusion Constants and Rotational
Diffusion ............................ 7
D. Lorentzian Bands and Fourier Transfors .... 9
II. THEORETICAL BACKGROUND ......................... 13
A. Raman Spectroscopy ........................ 13
B. Correlation Functions ..................... 16
1. General Aspects ........................ 17
2. Reorientational Correlation Functions .. 18
3. Correlation Functions and Symmetry
of Molecules . . . . . . . . . . . . . . . . . . . . . . . . . 20
4. Lorentzian Bandshapes .................. 22
5. Bandwidth Increments and Rotational
Relaxation ........................... 23
C. Vibrational Bandshape Analysis in
C3V Molecules ........................... 24
1. Inclusion of Vibrational Relaxation .... 24
2. Al Modes . . . . . . . . . . . . . . . .25
3. E Modes ................................ 27
D. Theoretical Models of Molecular
Reorientation . ........................29
1. The Stokes-Einstein-Debye (SED) Model .. 30
2. The Stick (Perrin) Model ............... 31
3. The Free Rotor (FR) Model .............. 32
4. The Slip Model . 33
5. The Microviscosity (MV) Model .......... 34
6. The Hynes-Kapral-Weinberg (HKW) Model .. 35iii
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Wang, Shao-Pin. Raman studies of reorientational dynamics in liquids, dissertation, December 1990; Denton, Texas. (https://digital.library.unt.edu/ark:/67531/metadc332457/m1/4/: accessed April 19, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; .