Carbon-13 lineshapes in solid-state NMR of labeled compounds. Effects of coherent CSA-dipolar cross-correlation

Journal of Magnetic Resonance
Luminita DumaLyndon Emsley

Abstract

The experimental lineshapes of the carboxyl and methyl carbon resonances of fully 13C enriched L-Alanine are studied in detail at different MAS frequencies and decoupling field strengths. Complex lineshapes at intermediate spinning speeds were explained by the joint effect of off rotational resonance and coherent CSA-dipolar cross-correlation. Whereas off rotational-resonance effects lead to complex lineshapes due to a splitting of some energy levels, coherent CSA-dipolar cross-correlation introduces either a differential intensity and/or a differential broadening of the lines of the J-multiplet. The conditions which lead to such effects are explained and experimentally verified. Additional simulations show that these effects can be expected over a wide range of static magnetic fields and are not restricted to L-Alanine.

References

Mar 7, 2002·Journal of the American Chemical Society·Fabien FerrageGeoffrey Bodenhausen
Aug 23, 2003·Journal of Magnetic Resonance·Luminita DumaLyndon Emsley
Jun 14, 2005·Journal of Magnetic Resonance·Tatyana I Igumenova, Ann E McDermott

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Citations

Jun 14, 2005·Journal of Magnetic Resonance·Tatyana I Igumenova, Ann E McDermott
Jan 15, 2014·Progress in Nuclear Magnetic Resonance Spectroscopy·Vitali Tugarinov
Aug 23, 2003·Journal of Magnetic Resonance·Luminita DumaLyndon Emsley
Jun 11, 2005·The Journal of Chemical Physics·Ramesh RamachandranRobert G Griffin
Dec 27, 2012·The Journal of Chemical Physics·B B KharkovS V Dvinskikh
Apr 26, 2016·Progress in Nuclear Magnetic Resonance Spectroscopy·Paul Schanda, Matthias Ernst
Mar 24, 2012·Journal of Magnetic Resonance·Umit AkbeyHartmut Oschkinat
Apr 25, 2012·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Amy L WebberGuido Pintacuda
Dec 25, 2007·Magnetic Resonance in Chemistry : MRC·N R Skrynnikov
Jan 5, 2008·Physical Chemistry Chemical Physics : PCCP·Benjamin J WylieChad M Rienstra
Aug 25, 2006·The Journal of Physical Chemistry. B·Sylvian CadarsLyndon Emsley
Dec 11, 2003·Journal of the American Chemical Society·Ramesh RamachandranRobert G Griffin
Dec 9, 2010·Journal of the American Chemical Society·Raquel Godoy-RuizVitali Tugarinov
Aug 1, 2007·Journal of the American Chemical Society·Veniamin ChevelkovBernd Reif

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