Proton nuclear magnetic resonance (source code)

= Proton nuclear magnetic resonance
{title2=$^1\mathrm H\ \mathrm{NMR}$}

<Proton nuclear magnetic resonance> measures resonances of hydrogen-1 nuclei. Structural signal counts require an explicit <symmetry> and exchange-timescale model; exchangeable N–H or O–H signals can be broadened or lost.