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Truncated dipolar recoupling in solid-state nuclear magnetic resonance

Truncated dipolar recoupling in solid-state nuclear magnetic resonance
Truncated dipolar recoupling in solid-state nuclear magnetic resonance
We describe a solid-state NMR concept for the estimation of individual spin–spin couplings in strongly-coupled homonuclear spin systems. A radiofrequency pulse sequence, synchronised with the magic-angle sample rotation recouples zero-quantum dipolar interactions as well as a frequency-dispersing interaction such as the chemical shift anisotropy. The combination of these two recoupled interactions causes the spin system to behave in an approximately weakly-coupled fashion. Individual spin–spin couplings may then be disentangled by using frequency-selective radiofrequency pulses. Theoretical results and numerical simulations are compared with experimental data for the 13C nuclei in [2H7,13C3,15N]-l-alanine.
0009-2614
572-578
Marin-Montesinos, Ildefonso
d9c74d07-88f6-4b2d-820a-8d60807ae3f1
Mollica, Giulia
d68bc83d-4993-4999-a58d-54e7eee61214
Carravetta, Marina
1b12fa96-4a6a-4689-ab3b-ccc68f1d7691
Gansmuller, Axel
239d731b-d3cb-4c2f-8c9e-ddb1e195c73f
Pileio, Giuseppe
13f78e66-0707-4438-b9c9-6dbd3eb7d4e8
Bechmann, Matthias
f34f9c58-47a4-4f09-8e3e-9845a2789f68
Sebald, Angelika
0431b9a7-27aa-4a01-a1cb-7e80bd13184c
Levitt, Malcolm H.
bcc5a80a-e5c5-4e0e-9a9a-249d036747c3
Marin-Montesinos, Ildefonso
d9c74d07-88f6-4b2d-820a-8d60807ae3f1
Mollica, Giulia
d68bc83d-4993-4999-a58d-54e7eee61214
Carravetta, Marina
1b12fa96-4a6a-4689-ab3b-ccc68f1d7691
Gansmuller, Axel
239d731b-d3cb-4c2f-8c9e-ddb1e195c73f
Pileio, Giuseppe
13f78e66-0707-4438-b9c9-6dbd3eb7d4e8
Bechmann, Matthias
f34f9c58-47a4-4f09-8e3e-9845a2789f68
Sebald, Angelika
0431b9a7-27aa-4a01-a1cb-7e80bd13184c
Levitt, Malcolm H.
bcc5a80a-e5c5-4e0e-9a9a-249d036747c3

Marin-Montesinos, Ildefonso, Mollica, Giulia, Carravetta, Marina, Gansmuller, Axel, Pileio, Giuseppe, Bechmann, Matthias, Sebald, Angelika and Levitt, Malcolm H. (2006) Truncated dipolar recoupling in solid-state nuclear magnetic resonance. Chemical Physics Letters, 432 (4-6), 572-578. (doi:10.1016/j.cplett.2006.10.101).

Record type: Article

Abstract

We describe a solid-state NMR concept for the estimation of individual spin–spin couplings in strongly-coupled homonuclear spin systems. A radiofrequency pulse sequence, synchronised with the magic-angle sample rotation recouples zero-quantum dipolar interactions as well as a frequency-dispersing interaction such as the chemical shift anisotropy. The combination of these two recoupled interactions causes the spin system to behave in an approximately weakly-coupled fashion. Individual spin–spin couplings may then be disentangled by using frequency-selective radiofrequency pulses. Theoretical results and numerical simulations are compared with experimental data for the 13C nuclei in [2H7,13C3,15N]-l-alanine.

Full text not available from this repository.

More information

Published date: 11 December 2006

Identifiers

Local EPrints ID: 46685
URI: http://eprints.soton.ac.uk/id/eprint/46685
ISSN: 0009-2614
PURE UUID: 5b6dd1c7-d24e-4a42-9d0b-c85cfd05be1e
ORCID for Marina Carravetta: ORCID iD orcid.org/0000-0002-6296-2104
ORCID for Giuseppe Pileio: ORCID iD orcid.org/0000-0001-9223-3896
ORCID for Malcolm H. Levitt: ORCID iD orcid.org/0000-0001-9878-1180

Catalogue record

Date deposited: 12 Jul 2007
Last modified: 05 Nov 2019 01:54

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