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Recoupling of heteronuclear dipolar interactions in solid-state NMR using symmetry-based pulse sequences

Recoupling of heteronuclear dipolar interactions in solid-state NMR using symmetry-based pulse sequences
Recoupling of heteronuclear dipolar interactions in solid-state NMR using symmetry-based pulse sequences
We apply symmetry theorems to the problem of heteronuclear dipolar recoupling in the presence of magic-angle spinning in solid-state NMR. Examples are shown in which the C-13 NMR signal is acquired while rotor-synchronized pulse sequences with the symmetry R18(1)(7) or R18(2)(5) are applied to the H-1 spins. This allows recoupling of heteronuclear dipolar interactions combined with homonuclear decoupling of the irradiated H-1 spins. The structure of the C-13 NMR spectrum is sensitive to bond lengths and bond angles. A two-dimensional procedure is described for applications to multiply isotopically labelled systems.
Article Outline: 1. Introduction 2. Pulse sequence symmetries 3. One-dimensional spectra 3.1. IS systems 3.2. I2S systems 3.3. I3S systems 4. Two-dimensional Spectra 5. Materials and methods 6. Conclusions Acknowledgements References
nuclear-magnetic-resonance, angle-spinning nmr, rotating solids, rotary resonance, homonuclear, spectroscopy, systems
0009-2614
353-361
Zhao, Xin
634e60cd-764f-48ab-9759-673fe78842d4
Eden, Mattias
9b0506cd-8a47-471a-82f8-a2d9a4ccc80e
Levitt, Malcolm H.
bcc5a80a-e5c5-4e0e-9a9a-249d036747c3
Zhao, Xin
634e60cd-764f-48ab-9759-673fe78842d4
Eden, Mattias
9b0506cd-8a47-471a-82f8-a2d9a4ccc80e
Levitt, Malcolm H.
bcc5a80a-e5c5-4e0e-9a9a-249d036747c3

Zhao, Xin, Eden, Mattias and Levitt, Malcolm H. (2001) Recoupling of heteronuclear dipolar interactions in solid-state NMR using symmetry-based pulse sequences. Chemical Physics Letters, 342 (3-4), 353-361. (doi:10.1016/S0009-2614(01)00593-0).

Record type: Article

Abstract

We apply symmetry theorems to the problem of heteronuclear dipolar recoupling in the presence of magic-angle spinning in solid-state NMR. Examples are shown in which the C-13 NMR signal is acquired while rotor-synchronized pulse sequences with the symmetry R18(1)(7) or R18(2)(5) are applied to the H-1 spins. This allows recoupling of heteronuclear dipolar interactions combined with homonuclear decoupling of the irradiated H-1 spins. The structure of the C-13 NMR spectrum is sensitive to bond lengths and bond angles. A two-dimensional procedure is described for applications to multiply isotopically labelled systems.
Article Outline: 1. Introduction 2. Pulse sequence symmetries 3. One-dimensional spectra 3.1. IS systems 3.2. I2S systems 3.3. I3S systems 4. Two-dimensional Spectra 5. Materials and methods 6. Conclusions Acknowledgements References

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More information

Published date: 13 July 2001
Keywords: nuclear-magnetic-resonance, angle-spinning nmr, rotating solids, rotary resonance, homonuclear, spectroscopy, systems

Identifiers

Local EPrints ID: 19640
URI: http://eprints.soton.ac.uk/id/eprint/19640
ISSN: 0009-2614
PURE UUID: 221249b1-dc05-4831-8222-ede289e13c99
ORCID for Malcolm H. Levitt: ORCID iD orcid.org/0000-0001-9878-1180

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Date deposited: 13 Feb 2006
Last modified: 19 Nov 2019 01:51

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Contributors

Author: Xin Zhao
Author: Mattias Eden

University divisions

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