Spin Rotations T1 & T2 
Spin Rotations T1 & T2
by UC Irvine / Rachel Martin
Video Lecture 19 of 26
Copyright Information: Martin, Rachel. Molecular Structure & Statistical Mechanics 131B (UCI OpenCourseWare: University of California, Irvine), http://ocw.uci.edu/courses/chem_131b_molecular_structure_and... [Accessed January 23, 2015]. License: Creative Commons Attribution-ShareAlike 3.0 United States License. (http://creativecommons.org/licenses/by-sa/3.0/us/deed.en_US).
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Date Added: January 23, 2015

Lecture Description

Recorded on February 25, 2013. Slides: 03:49- Inversion Recovery (T1) 04:59- Relaxation Along the Z-Axis 05:50- Moving Tube 05:58- Relaxation Along the Z-Axis (revisited) 07:02- Moving Tube (revisited) 08:24- Moving Tube, Slide 2 09:20- Spin-Spin Relaxation (T2) 12:29- Spin Echo (T2) 14:04- H NMR Spectroscopy: Spin-Spin Splitting 16:40- Rules for Splitting Patterns 20:23- Splitting is Generally Not Observed Between Protons Separated by More Than Three σ Bonds 21:18- The n+1 Rule (For "Simple" Compounds) 23:49- J-Coupling: Product Basis 26:20- J-Coupling: Hamiltonian 29:09- J-Coupling: Product Basis, Slide 2 32:13- J-Coupling: Equivalent Spins 34:21- H NMR-- Spin-Spin Splitting: An Example 34:31- J-Coupling: Equivalent Spins (revisited) 35:11- H NMR-- Spin-Spin Splitting: An Example (revisited) 36:26- Standard Coupling Values (J, in Hz) 37:21- Sample Spectrum 38:28- More Complex Splitting Patterns: Nitrobenzene 39:14- The Difference Between a Quartet and a Doublet of Doublets 39:56- Another Example of Doublets of Doublets 40:17- A Closer Look at the Splitting Pattern 40:42- NMR Spectrum Example 42:24- General 2D Pulse Sequence 44:53- ^(13)C-^(15)N Correlation of Arginine 45:56- H-N HSQC

Course Index

Course Description

Principles of quantum mechanics with application to the elements of atomic structure and energy levels, diatomic molecular spectroscopy and structure determination, and chemical bonding in simple molecules. Chemistry Dept. | Physical Sciences Sch. | University of California, Irvine

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