14N magic angle spinning overtone NMR spectra

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DOIResolve DOI: http://doi.org/10.1016/j.cplett.2011.08.030
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Journal titleChemical Physics Letters
Pages168173; # of pages: 6
AbstractWe present the first 14N overtone NMR spectra obtained directly under magic angle spinning conditions. Line-broadening contributions from chemical shift anisotropy and heteronuclear dipolar couplings are significantly reduced, and, despite theoretical predictions, spinning sidebands are minimal, leaving second-order quadrupolar powder patterns with narrow discontinuities that can be observed using a single excitation pulse. We also show that the limited bandwidth and offset-dependent nutation rates exhibited by standard RF pulses can be overcome using frequency-swept pulses, allowing the direct acquisition of solid-state 14N NMR spectra in which multiple nitrogen sites are well-resolved.
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AffiliationNRC Steacie Institute for Molecular Sciences; National Research Council Canada
Peer reviewedYes
NPARC number19727335
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Record identifierc12dd79b-a105-43f7-86a2-8444f0a0d867
Record created2012-03-29
Record modified2016-05-09
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