rrom the eIectrolyt~cally gcncnted chlorophyll a dmon mdlcal in solutlon, 12 proton sod 4 nrtrogcn hypcrlinc coupling constants, includmg thctr sgns and the number of contnbutmg equwalent nuclcr. were determmed by ESR. CKDOR. and TRIPLE resonance. The data am compared wth recent MO calculations, and
Nitrogen Electron Nuclear Double Resonance and Proton Triple Resonance Experiments on the Bacteriochlorophyll Cation in Solution
β Scribed by A. J. Hoff and K. Mobius
- Book ID
- 123655256
- Publisher
- National Academy of Sciences
- Year
- 1978
- Tongue
- English
- Weight
- 777 KB
- Volume
- 75
- Category
- Article
- ISSN
- 0027-8424
- DOI
- 10.2307/68432
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π SIMILAR VOLUMES
From electrolytically generated bacteriochlorophyll a anion radicals in solution, eight proton and four nitrogen hfs constants includirlg signs were measured by ENDOR and TRIPLE resonance. Optimum experimental conditions for ENDOR of different nuclei were examined. The hfs data are compared with res
Solution \*sM-ENDOR and TRIPLE n~~~~+nce esperiments have been performed on the bacteriochlorophyll a (BChl a) zJ anion and cation radicals enriched in 25hIg. The 2shfg isotropic hyperfime coupling constants for BChl a\* and BChl ar have been determined. The vaIues are in good agreement with those o