= Residual chemical shift anisotropy
{wiki=Residual_chemical_shift_anisotropy}
Residual chemical shift anisotropy (RCSA) refers to a phenomenon observed primarily in the context of nuclear magnetic resonance (NMR) spectroscopy, particularly in solid-state NMR and biomolecular NMR. It is an important concept in understanding how molecular dynamics and interactions affect chemical shifts of nuclei in a sample. In NMR, chemical shifts arise from the magnetic environments surrounding nuclei, which can be influenced by the electronic environment created by nearby atoms and molecular structure.
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