Kunkely, Horst and Vogler, Arnd (2001) Charge transfer spectra and photoreactivity of (E)-1-ferrocenyl-2-(1-methyl-4-pyridiniumyl)ethylene cation. JOURNAL OF ORGANOMETALLIC CHEMISTRY, 637. pp. 777-781. ISSN 0022-328X, 1872-8561
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The electronic spectrum of (E)-1-ferrocenyl-2-(1-methyl-4-pyridiniumyl)ethylene (E-fmpe(+)) cation shows two long-wavelength absorptions near 570 and 370 nm which are assigned to metal-to-ligand charge transfer (MLCT) and intraligand charge transfer (ILCT) transitions, respectively. The complex displays a strong negative solvatochromism. MLCT as well as ILCT excitation leads to a trans/cis isomerization at the olefinic double bond. The complex is photochromic since the photoisomerization is thermally reversed. The ion pair E-fmpe(+)[Fe(CN)(6)](4-) shows a photoactive outer-sphere charge transfer absorption at lambda (max) = 490 nm. (C) 2001 Elsevier Science B.V. All rights reserved.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | TRANSFER EXCITATION; PHOTOPHYSICAL PROPERTIES; COMPLEXES; METALLOCENES; SALTS; electronic spectra; photochemistry; charge transfer; ferrocene compounds |
| Subjects: | 500 Science > 540 Chemistry & allied sciences |
| Divisions: | Chemistry and Pharmacy > Institut für Anorganische Chemie > Alumni or Retired Professors > Prof. Dr. Arnd Vogler |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 23 Nov 2021 09:42 |
| Last Modified: | 23 Nov 2021 09:42 |
| URI: | https://pred.uni-regensburg.de/id/eprint/40881 |
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