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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. :
Low and zero field stimulated nuclear polarization in cyclic ketones.
[Online-Edition: <Go to ISI>://WOS:A1997WU70200014]
In: Chemical Physics Letters, 268 (5-6) pp. 401-407.
[Article] , (1997)

Official URL: <Go to ISI>://WOS:A1997WU70200014

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: German
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 Fachbereich Chemie > Physical Chemistry
07 Fachbereich Chemie
Date Deposited: 27 Oct 2014 20:39
Official URL: <Go to ISI>://WOS:A1997WU70200014
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Wu702 Times Cited:4 Cited References Count:15

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