Symmetry-based recoupling of proton chemical shift anisotropies in ultrahigh-field solid-state NMR

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DOIResolve DOI: http://doi.org/10.1016/j.jmr.2006.12.003
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TypeArticle
Journal titleJournal of Magnetic Resonance
Volume185
Issue1
Pages173178; # of pages: 6
SubjectChemical shift anisotropy; CRAMPS; Hydrogen bonding; Proton MAS NMR; Recoupling
AbstractA two-dimensional NMR experiment for estimating proton chemical shift anisotropies (CSAs) in solid powders under magic-angle spinning conditions is demonstrated in which 1H CSAs are reintroduced with a symmetry-based recoupling sequence while the individual proton sites are resolved according to their isotropic chemical shifts by magic-angle spinning (MAS) or combined rotation and multiple pulse (CRAMPS) homonuclear decoupling. The experiments where carried out on an ultrahigh-field solid-state NMR instrument (900?MHz 1H frequency) which leads to increased resolution and reliability of the measured 1H CSAs. The experiment is expected to be important for investigating hydrogen bonding in solids.
Publication date
AffiliationNational Research Council Canada; NRC Steacie Institute for Molecular Sciences
Peer reviewedNo
NPARC number12328349
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Record identifier159b1c8e-0109-4bbf-91be-b9dc2030faca
Record created2009-09-10
Record modified2016-05-09
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