Measurement of dipolar couplings in partially oriented molecules by local field NMR spectroscopy with low-power decoupling

Malgorzata Marjanska; Franca Castiglione; Jamie D. Walls; Alexander Pines

doi:10.1016/S1090-7807(02)00059-9

Measurement of dipolar couplings in partially oriented molecules by local field NMR spectroscopy with low-power decoupling

Malgorzata Marjanska, Franca Castiglione, Jamie D. Walls, Alexander Pines

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

Low-power phase-modulated Lee-Goldburg homonuclear decoupling was used to record PDLF spectra of fluorine-substituted benzene derivatives dissolved in nematic thermotropic liquid crystalline solvents. The low-power decoupling minimizes sample heating during RF irradiation while still achieving highly resolved PDLF spectra. The method is illustrated by recording spectra for 1,3-dichloro-4-fluoro-5-nitrobenzene, 1,3-dichloro-4-fluorobenzene, and 1,2-difluorobenzene dissolved in different nematic solvents.

Original language	English (US)
Pages (from-to)	52-59
Number of pages	8
Journal	Journal of Magnetic Resonance
Volume	158
Issue number	1-2
DOIs	https://doi.org/10.1016/S1090-7807(02)00059-9
State	Published - Nov 30 2002
Externally published	Yes

Keywords

Heteronuclear spin-spin couplings
Liquid crystalline solvents
Multiple pulse sequence
NMR
PDLF
PMLG
Phase-modulated Lee-Goldburg
Proton-detected local field

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10.1016/S1090-7807(02)00059-9

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title = "Measurement of dipolar couplings in partially oriented molecules by local field NMR spectroscopy with low-power decoupling",

abstract = "Low-power phase-modulated Lee-Goldburg homonuclear decoupling was used to record PDLF spectra of fluorine-substituted benzene derivatives dissolved in nematic thermotropic liquid crystalline solvents. The low-power decoupling minimizes sample heating during RF irradiation while still achieving highly resolved PDLF spectra. The method is illustrated by recording spectra for 1,3-dichloro-4-fluoro-5-nitrobenzene, 1,3-dichloro-4-fluorobenzene, and 1,2-difluorobenzene dissolved in different nematic solvents.",

keywords = "Heteronuclear spin-spin couplings, Liquid crystalline solvents, Multiple pulse sequence, NMR, PDLF, PMLG, Phase-modulated Lee-Goldburg, Proton-detected local field",

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year = "2002",

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T1 - Measurement of dipolar couplings in partially oriented molecules by local field NMR spectroscopy with low-power decoupling

AU - Marjanska, Malgorzata

AU - Castiglione, Franca

AU - Walls, Jamie D.

AU - Pines, Alexander

PY - 2002/11/30

Y1 - 2002/11/30

N2 - Low-power phase-modulated Lee-Goldburg homonuclear decoupling was used to record PDLF spectra of fluorine-substituted benzene derivatives dissolved in nematic thermotropic liquid crystalline solvents. The low-power decoupling minimizes sample heating during RF irradiation while still achieving highly resolved PDLF spectra. The method is illustrated by recording spectra for 1,3-dichloro-4-fluoro-5-nitrobenzene, 1,3-dichloro-4-fluorobenzene, and 1,2-difluorobenzene dissolved in different nematic solvents.

AB - Low-power phase-modulated Lee-Goldburg homonuclear decoupling was used to record PDLF spectra of fluorine-substituted benzene derivatives dissolved in nematic thermotropic liquid crystalline solvents. The low-power decoupling minimizes sample heating during RF irradiation while still achieving highly resolved PDLF spectra. The method is illustrated by recording spectra for 1,3-dichloro-4-fluoro-5-nitrobenzene, 1,3-dichloro-4-fluorobenzene, and 1,2-difluorobenzene dissolved in different nematic solvents.

KW - Heteronuclear spin-spin couplings

KW - Liquid crystalline solvents

KW - Multiple pulse sequence

KW - NMR

KW - PDLF

KW - PMLG

KW - Phase-modulated Lee-Goldburg

KW - Proton-detected local field

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