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Low and zero field stimulated nuclear polarization in cyclic ketones

Dvinskikh, S. V. and Buntkowsky, G. and Salikhov, K. M. and Vieth, H. M. (1997):
Low and zero field stimulated nuclear polarization in cyclic ketones.
In: Chemical Physics Letters, pp. 401-407, 268, (5-6), [Online-Edition: http://apps.webofknowledge.com/full_record.do?product=WOS&se...],
[Article]

Abstract

C-13 stimulated nuclear polarization (SNP) in acyl-alkyl biradicals has been investigated at a low magnetic field B-0. For carbons in the carbonyl position, which have a strong hyperfine interaction (hfi), a significant SNP effect is observed at low fields B-0 < hfi, in contrast to carbons in the a-position with smaller hyperfine coupling. A qualitative analysis using a two-state biradical model shows that this effect has a strong dependence on the non-spin selective channels of the biradical decay.

Item Type: Article
Erschienen: 1997
Creators: Dvinskikh, S. V. and Buntkowsky, G. and Salikhov, K. M. and Vieth, H. M.
Title: Low and zero field stimulated nuclear polarization in cyclic ketones
Language: English
Abstract:

C-13 stimulated nuclear polarization (SNP) in acyl-alkyl biradicals has been investigated at a low magnetic field B-0. For carbons in the carbonyl position, which have a strong hyperfine interaction (hfi), a significant SNP effect is observed at low fields B-0 < hfi, in contrast to carbons in the a-position with smaller hyperfine coupling. A qualitative analysis using a two-state biradical model shows that this effect has a strong dependence on the non-spin selective channels of the biradical decay.

Journal or Publication Title: Chemical Physics Letters
Volume: 268
Number: 5-6
Uncontrolled Keywords: electron-spin-resonance magnetic-fields radical pairs biradicals cidnp photolysis dynamics
Divisions: 07 Department of Chemistry
07 Department of Chemistry > Physical Chemistry
Date Deposited: 27 Oct 2014 20:39
Official URL: http://apps.webofknowledge.com/full_record.do?product=WOS&se...
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Wu702 Times Cited:4 Cited References Count:15

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