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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1002/mrc.5150
|2 doi
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|a pubmed24n1076.xml
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|a eng
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| 100 |
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|a Goldbourt, Amir
|e verfasserin
|4 aut
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|a Distance measurements to quadrupolar nuclei
|b Evolution of the rotational echo double resonance technique
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 08.09.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2021 John Wiley & Sons, Ltd.
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|a Molecular structure determination is the basis for understanding chemical processes and the property of materials. The direct dependence of the magnetic dipolar interaction on the distance makes solid-state nuclear magnetic resonance (NMR) an excellent tool to study molecular structure when X-ray crystallography fails to provide atomic-resolution data. Although techniques to measure distances between pairs of isolated nuclear spin-1/2 pairs are routine and easy to implement using the rotational echo double resonance (REDOR) experiment (Gullion & Schaefer, 1989), the existence of a nucleus with a spin > 1/2, appearing in approximately 75% of the elements in the periodic table, poses a challenge due to difficulties stemming from the large nuclear quadrupolar coupling constant (QCC). This mini-review presents the existing solid-state magic-angle spinning NMR techniques aimed toward the efficient and accurate determination of internuclear distances between a spin-1/2 and a "quadrupolar" nucleus having a spin larger than one half. Analytical expressions are provided for the various recoupling curves stemming from different techniques, and a coherent nomenclature for these various techniques is suggested. Treatment of some special cases such as multiple spin effects and spins with close Larmor frequencies is also discussed. The most advanced methods can recouple spins with quadrupolar frequencies up to tens of megahertz and beyond, expanding the distance measurement capabilities of solid-state NMR to an increasingly growing number of applications and nuclear spin systems
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|a Journal Article
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|a Review
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|a REDOR
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|a RESPDOR
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|a magic-angle spinning
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|a quadrupolar nuclei
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|a solid-state NMR
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|i Enthalten in
|t Magnetic resonance in chemistry : MRC
|d 1985
|g 59(2021), 9-10 vom: 15. Sept., Seite 908-919
|w (DE-627)NLM098179667
|x 1097-458X
|7 nnns
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| 773 |
1 |
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|g volume:59
|g year:2021
|g number:9-10
|g day:15
|g month:09
|g pages:908-919
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|u http://dx.doi.org/10.1002/mrc.5150
|3 Volltext
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