An introduction to Solid State NMR and its Interactions
An introduction to Solid State NMR and its Interactions
An introduction to Solid State NMR and its Interactions
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The secular approximation<br />
High Field <strong>NMR</strong>:<br />
B 0<br />
≫ B loc<br />
Perturbation Expansion of the <strong>NMR</strong> interactions<br />
H Z<br />
≫ H inter.<br />
H inter.<br />
≈ H 1 CS<br />
H 1 Q<br />
H 2 Q<br />
H 1 D<br />
H 1 J<br />
...<br />
Keeping terms invariant under rotation around B 0<br />
B 0<br />
A XX<br />
A zz<br />
<br />
A YY<br />
A ZZ