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14N solid-state NMR
© The Royal Society of Chemistry 2018. Nitrogen is commonly found in organic, inorganic and biological solids, yet is extremely challenging to study by solid-state NMR. This chapter presents an overview of modern methods for observing the almost-100% naturally abundant14N isotope, a spin-1 nucleus typically subject to a large quadrupolar interaction. Either the fundamental (Δ m=1) or overtone (Δm=2)14N transitions can be observed, and these two options require very distinct experimental approaches. The former transitions are usually broadened over several MHz and require frequency-swept pulses and piecewise acquisition, while the latter transition gives far narrower linewidths and higher spectral resolution, but exhibits some unusual spin physics, particularly under magic-angle spinning. The possibility of sensitivity enhancement by polarisation transfer, or by the indirect detection of14N signals using more amenable nuclei, is also discussed.
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Alternative title
14N Solid-state NMRChapter number
5Pagination
134-159Publisher DOI
ISSN
2044-253XeISSN
2044-2548ISBN-13
9781782628545Language
engPublication classification
B1 Book chapterExtent
13Editor/Contributor(s)
Hodgkinson PPublisher
Royal Society of ChemistryPlace of publication
London, Eng.Title of book
Modern methods in solid-state NMR : a practitioner's guideUsage metrics
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