A composite pulse sequence for the broadband excitation in overtone 14N NMR spectroscopy

Dong Kuk Lee; A. Ramamoorthy

doi:10.1016/S0009-2614(97)01218-9

A composite pulse sequence for the broadband excitation in overtone ¹⁴N NMR spectroscopy

Dong Kuk Lee, A. Ramamoorthy

Dept. of Fine Chemistry

University of Michigan, Ann Arbor

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

17 Scopus citations

Abstract

In this Letter, a composite π/2 pulse sequence, 45 135, for the broadband excitation in overtone NMR spectroscopy of spin S=1 quadrupolar nuclei is proposed. The performances of single and composite π/2 pulses against resonance offset and rf field inhomogeneity are compared based on the results from ¹⁴N overtone experiments on a single crystal sample of N-acetyl-D,L-valine. The results reveal that the 45 135 composite π/2 pulse is less sensitive to the pulse imperfections and it will be useful in the design of multidimensional overtone NMR experiments.

Original language	English
Pages (from-to)	501-506
Number of pages	6
Journal	Chemical Physics Letters
Volume	280
Issue number	5-6
DOIs	https://doi.org/10.1016/S0009-2614(97)01218-9
State	Published - 12 Dec 1997

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abstract = "In this Letter, a composite π/2 pulse sequence, 45 135, for the broadband excitation in overtone NMR spectroscopy of spin S=1 quadrupolar nuclei is proposed. The performances of single and composite π/2 pulses against resonance offset and rf field inhomogeneity are compared based on the results from 14N overtone experiments on a single crystal sample of N-acetyl-D,L-valine. The results reveal that the 45 135 composite π/2 pulse is less sensitive to the pulse imperfections and it will be useful in the design of multidimensional overtone NMR experiments.",

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AU - Ramamoorthy, A.

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AB - In this Letter, a composite π/2 pulse sequence, 45 135, for the broadband excitation in overtone NMR spectroscopy of spin S=1 quadrupolar nuclei is proposed. The performances of single and composite π/2 pulses against resonance offset and rf field inhomogeneity are compared based on the results from 14N overtone experiments on a single crystal sample of N-acetyl-D,L-valine. The results reveal that the 45 135 composite π/2 pulse is less sensitive to the pulse imperfections and it will be useful in the design of multidimensional overtone NMR experiments.

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A composite pulse sequence for the broadband excitation in overtone ¹⁴N NMR spectroscopy

Abstract

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