Residual chemical shift anisotropy

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Residual chemical shift anisotropy (RCSA) is the difference between the chemical shift anisotropy (CSA) of aligned and non-aligned molecules. It is normally three orders of magnitide smaller than static CSA. RCSA is useful for structural determination and it is among the new developments in NMR spectroscopy.

[edit] See also

• Residual dipolar coupling