One-electron reduction of an "extended viologen" p-phenylene-bis-4,4'-(1-aryl-2,6-diphenylpyridinium) dication

Alison Funston, James Kirby, John Miller, Lubomir Pospisil, Jan Fiedler, Magdalena Hromadova, Miroslav Gal, Jaroslav Pecka, Michal Valasek, Zbigniew Zawada, Pawel Rempala, Josef Michl

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Abstract

One-electron reduction of the extended viologen dication I yields the red cation radical 2, characterized by strong near-IR absorption. It has been generated and studied by pulse radiolytic, electrochemical, redox titration, UV-visible, and electron paramagnetic resonance spectroscopic methods. All results are in agreement with a fully delocalized electronic structure for 2.
Original languageEnglish
Pages (from-to)10862 - 10869
Number of pages8
JournalThe Journal of Physical Chemistry A
Volume109
Issue number48
DOIs
Publication statusPublished - 2005
Externally publishedYes

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