TITLE

Electron--electron--nuclear three-spin mixing in spin-correlated radical pairs

AUTHOR(S)
Jeschke, Gunnar
PUB. DATE
June 1997
SOURCE
Journal of Chemical Physics;6/22/1997, Vol. 106 Issue 24, p10072
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Studies the electron-electron-nuclear three-spin mixing in spin-correlated radical pairs. Occurrence of the three-spin mixing in solid-state matrices if the radicals feature a significant electron-electron spin coupling and an anisotropic hyperfine coupling; Model system and spin Hamiltonian; Large electron-electron spin coupling; Description of excitation and detection.
ACCESSION #
4228051

 

Related Articles

  • Electron spin resonance investigation of small magnesium cluster cation radicals, Mg+N, in neon and argon matrices at 4 K: Comparison with ab initio calculations. Knight, Lon B.; Cleveland, Cheryl B.; Frey, Regina F.; Davidson, Ernest R. // Journal of Chemical Physics;6/1/1994, Vol. 100 Issue 11, p7867 

    A series of cationic magnesium radicals (Mg+N, N=1–6) was studied by electron spin resonance (ESR) spectroscopy. The ESR data indicate that all Mg nuclei are equivalent on the ESR time scale in each of these clusters. The nuclear hyperfine interactions obtained for 25Mg+N (N=1–3)...

  • Regioselectivity of Meisenheimer complexation in reaction of oxygen-centred nucleophiles with picryl aryl ethers: Polar vs. SET mechanisms. Buncel, Erwin; Dust, Julian M; Manderville, Richard A; Tarkka, Richard M // Canadian Journal of Chemistry;Jun2003, Vol. 81 Issue 6, p443 

    Picryl alkyl ethers react with hydroxide and methoxide ions to give regioisomeric Meisenheimer (anionic σ-) adducts; the C-3 adduct is kinetically favoured and the C-1 adduct is thermodynamically favoured (K3T1 behaviour). In the current 400 MHz NMR spectroscopic study of the reactions of two...

  • Structure and magnetic properties of benzyl, anilino, and phenoxyl radicals by density.... Adamo, Carlo; Subra, Robert // Journal of Chemical Physics;12/15/1998, Vol. 109 Issue 23, p10244 

    Examines the structure and magnetic properties of benzyl, anilino and phenoxyl radicals. Application of quantum mechanical approach to isoelectronic series formed by the radicals; Use of electronic paramagnetic resonance spectroscopy in measuring the distribution of unpaired spin density;...

  • Chemical Composition and Antioxidant Activity of Essential Oil from Smyrnium olusatrum L. Zohra, Mohammedi; Fawzia, Atik // Asian Journal of Research in Chemistry;Feb2011, Vol. 4 Issue 2, p217 

    Smyrnium olusatrum is an aromatic, antiscorbutic herb. This Work has just given in value this herb for its antioxidant properties. The analysis by GC and NMR of carbon-13 separated and highlighted furanodiene/furanoelemene like majority compounds (46%). Oil rich on sesquiterpenes has in vitro...

  • Characterization of oxidized SWCNTs by XPS. Holzinger, Michael; Hirsch, Andreas; Hennrich, Frank; Kappes, Manfred M.; Dziakova, Andrea; Ley, Lothar; Graupner, Ralf // AIP Conference Proceedings;2002, Vol. 633 Issue 1, p96 

    The chemistry of single walled carbon nanotubes is well developed since Haddon et al described the amidation of the carboxylic acid groups of oxidized SWCNTs. A large number of different reactions have previously been investigated. Covalent modifications of the sidewall with nitrenes, carbenes...

  • Prenylated Xanthones from the Bark of Garcinia xanthochymus and Their 1,1-Diphenyl-2-picrylhydrazyl (DPPH) Radical Scavenging Activities. Yu Chen; Hua Fan; Guang-zhong Yang; Yan Jiang; Fang-fang Zhong; Hong-wu He // Molecules;Oct2010, Vol. 15 Issue 10, p7438 

    Garcinia xanthochymus has been widely used in traditional Chinese medicine for expelling worms and removing food toxins. Bioassay-guided fractionation of an EtOAc-soluble extract of G. xanthochymus stem bark led to the isolation of six new xanthones. Their structures were elucidated by...

  • Antioxidant Compound from the Rhizomes of Kaempferia rotunda L. Lotulung, Puspa D. N.; Minarti; Kardono, L. B. S.; Kawanishi, K. // Pakistan Journal of Biological Sciences;2008, Vol. 11 Issue 20, p2447 

    Abstract: This research aimed to investigate the antioxidant effect from rhizomes of K. rotunda for finding the active compounds by DPPH free radical scavenging activity assay. The chloroform-soluble extract of the rhizomes of K. rotunda showed significant scavenging effect on the on 1,1...

  • Dynamics of circular hydrogen bond array in calix[4]arene in a nonpolar solvent: A nuclear magnetic resonance study. Lang, Jan; Deckerová, Veronika; Czernek, Jiří; Lhoták, Pavel // Journal of Chemical Physics;1/22/2005, Vol. 122 Issue 4, p044506 

    Hydroxyl groups on the lower rim of calix[4]arene form a circular array of four equivalent hydrogen bonds. The rate constants of reversal of the array in the temperature range of 221–304 K were determined by means of the NMR measurements of quaternary 13C nuclear spin transverse...

  • Synthesis, Characterization, and Antioxidant Activity of Phloretin Isonicotinyl Hydrazone. Li Jing; Yu Yan-ying; Cao Shu-wen // Natural Product Research & Development;Oct2011, Vol. 23 Issue 5, p824 

    To improve the biological activity of phloretin, a novel hydrazone was synthesis with phloretin and isoniazid, and the target compound was characterized by UV, IR, ¹H NMR, 13C NMR and elemental analysis, respectively. Reducing power, DPPH and ABTS ⋅ + radical scavenging assays were...

Share

Read the Article

Courtesy of THE LIBRARY OF VIRGINIA

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics