Formation of Highly Stabilized Intramolecular Dimer Radical Cation and π-Complex of [3 n ]Cyclophanes (n = 3, 5, 6) during Pulse Radiolysis

Formation of Highly Stabilized Intramolecular Dimer Radical Cation and π-Complex of [3 n ]Cyclophanes (n = 3, 5, 6) during Pulse Radiolysis

Formation of radical cation and charge-transfer complex of [3 n ]cyclophanes (n = 3, 5, 6) was investigated by transient absorption spectroscopy during pulse radiolysis. Radical cations of [3 n ]cyclophanes showed the charge resonance band around 700 nm which exhibited a blue-shift as the number of...

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Veröffentlicht in:The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory Molecules, spectroscopy, kinetics, environment, & general theory, 2005-04, Vol.109 (16), p.3531-3534
Hauptverfasser: Fujitsuka, Mamoru, Samori, Shingo, Hara, Michihiro, Tojo, Sachiko, Yamashiro, Satoko, Shinmyozu, Teruo, Majima, Tetsuro
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container_issue 16
container_start_page 3531
container_title The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory
container_volume 109
creator Fujitsuka, Mamoru
Samori, Shingo
Hara, Michihiro
Tojo, Sachiko
Yamashiro, Satoko
Shinmyozu, Teruo
Majima, Tetsuro
description Formation of radical cation and charge-transfer complex of [3 n ]cyclophanes (n = 3, 5, 6) was investigated by transient absorption spectroscopy during pulse radiolysis. Radical cations of [3 n ]cyclophanes showed the charge resonance band around 700 nm which exhibited a blue-shift as the number of trimethylene bridges increased, indicating formation of highly stabilized intramolecular dimer radical cation of [3 n ]cyclophanes. The absorption peak of the charge-transfer complex with chlorine atom also showed the shift in accord with the oxidation potential of [3 n ]cyclophanes.
doi_str_mv 10.1021/jp050397z
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title Formation of Highly Stabilized Intramolecular Dimer Radical Cation and π-Complex of [3 n ]Cyclophanes (n = 3, 5, 6) during Pulse Radiolysis
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