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Electronic absorption spectra of aliphatic diamine radical cations. Conformation-dependent charge delocalization (1990)

Gȩbicki, Jerzy ; Marcinek, Andrzej ; Stradowski, Czesław

Chichester : Wiley-Blackwell

Journal of Physical Organic Chemistry 3 (1990), S. 606-610

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ISSN: 0894-3230

Keywords: Organic Chemistry ; Physical Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology , Physics

Notes: Electronic absorption spectra of radical cations generated by steady-state and pulse radiolysis from a series of α,ω-diaminoalkanes (R2N(CH2)nNR2; n = 1-6, R = CH3 or C2H5), 1,4-dimethylpiperazine and 1,4-diazabicyclo [2.2.2] octane (DABCO) were measured. In some cases spectral evidence was obtained for an interaction between the nitrogen atoms leading to charge delocalization in the radical cation. A delayed formation of radical cations was associated with a conformational change necessary for achieving the most stable structure having a favourable conformation for charge delocalization.

Additional Material: 5 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/poc.610030909

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