Effects of polymorphic differences for sulfanilamide, as seen through 13C and 15N solid-state NMR, together with shielding calculations

We recorded both carbon‐13 and nitrogen‐15 NMR spectra of the three solid forms of sulfanilamide most commonly known. This study led to an interpretation of the solid‐state effects seen in cross‐polarization magic angle spinning spectra. Relaxation times for the different forms were measured. These...

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