Einfluß von Kohärenzeffekten auf die Linienformen im ENDOR-Spektrum des Perinaphthenyl-Radikals / Influence of Coherence Effects On Line Shapes in the ENDOR Spectrum of the Perinaphthenyl Radical
Open Access
- 1 July 1973
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung A
- Vol. 28 (7) , 1069-1080
- https://doi.org/10.1515/zna-1973-0706
Abstract
A cw high-power ENDOR spectrometer is described. Freed's theory of coherence effects on ENDOR line shapes of free radicals in solution was tested with cw NMR fields up to 30 Gauss. The neutral radical Perinaphthenyl (PNT) with groups of three and six equivalent protons served as example. A satisfactory agreement with the theory was found, even in quantitative terms. Very reasonable values for relaxation times T1e , T2e and T1n of the PNT could be determined by fitting Te-1/We, Wn/We and using measured values for BMW, BNMR and the EPR line width.Keywords
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