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Observation of quadrupole splittings of organic radicals in solution by endor in liquid crystals

✍ Scribed by K.P. Dinse; K. Möbius; M. Plato; R. Biehl; H. Haustein


Publisher
Elsevier Science
Year
1972
Tongue
English
Weight
393 KB
Volume
14
Category
Article
ISSN
0009-2614

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✦ Synopsis


The analysis of the Iine'shifts yields ezq;3 Q//I = -2.5 MHz. This result could be rationalized by a population analysis of the nitrogen bonds, The theory predicts that the main contribution to the observed splitting comes from ihc unpzked n-electron.


📜 SIMILAR VOLUMES


Endor studies of organic radicals in liq
✍ K.P. Dinse; R. Biehl; K. Möbius; H. Haustein 📂 Article 📅 1971 🏛 Elsevier Science 🌐 English ⚖ 449 KB

In the liquid crystal "Phase IV" which exhibits its nematic range between 16 and 76 "C ENDOR spectra of perinaphthenyi and tri-t-butylphencxyl radicals collld be recorded. it is demonstrated that the combined use of the ENDOR and liquid crystal methods yieIds valuabIe structural information.

ENDOR studies of semiquinone radical ion
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25Mg ENDOR and TRIPLE resonance in liqui
✍ F. Lendzian; K. Möbius; M. Plato; U.H. Smith; M.C. Thurnauer; W. Lubitz 📂 Article 📅 1984 🏛 Elsevier Science 🌐 English ⚖ 528 KB

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

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✍ H. Käβ; P. Fromme; W. Lubitz 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 888 KB

The cation radical of the primary donor P7oo of photosystem I (PS I) is investigated by ESEEM on single crystals of PSI from the cyanobacterium Synechococcus elongatus. The nuclear quadrupole parameters K and ~ of five different 14N nuclei are determined and 14N hyperfine couplings (hfc's) of PT"o~