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Volumn 56, Issue 9, 1984, Pages 1289-1300

Spectroscopic and kinetic investigations of conjugated biradical intermediates

Author keywords

[No Author keywords available]

Indexed keywords

LASER BEAMS - APPLICATIONS; SPECTROSCOPIC ANALYSIS;

EID: 0021485270     PISSN: 00334545     EISSN: 13653075     Source Type: Journal    
DOI: 10.1351/pac198456091289     Document Type: Article
Times cited : (73)

References (44)
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    • The following assumptions are involved: (i) Catalyzed ISC by, “spin exchange” (Dexter mechanism) occurs only in contact pairs, (ii) The total spin of an encounter complex is conserved during the encounter lifetime, (iii) The thermodynamic equilibrium for spin-allowed exchange processes is reached during a single encounter, (iv) Spin-allowed oxygen addition reactions (T+T “Diels-Alder” or “ene”-reactions) are efficient. For the use of spin-statistical factors see, and ref. 14.
    • The following assumptions are involved: (i) Catalyzed ISC by “spin exchange” (Dexter mechanism) occurs only in contact pairs, (ii) The total spin of an encounter complex is conserved during the encounter lifetime, (iii) The thermodynamic equilibrium for spin-allowed exchange processes is reached during a single encounter, (iv) Spin-allowed oxygen addition reactions (T+T “Diels-Alder” or “ene”-reactions) are efficient. For the use of spin-statistical factors see O.L.J. Gijzeman, F. Kaufman, G. Porter, J. Chem. Soc. Faraday Trans. II, 69, 708 (1973) and ref. 14.
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    • The larger value reported earlier18 was determined at very low O2 pressures, was since found to be in error.
    • The larger value reported earlier18 was determined at very low O2 pressures and was since found to be in error.
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