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Electronic Spectroscopy of Resonantly Stabilized Aromatic Radicals : 1-Indanyl and Methyl Substituted Analogues

Surajit Maity, and Mathias Steglich, and John P. Maier, . (2015) Electronic Spectroscopy of Resonantly Stabilized Aromatic Radicals : 1-Indanyl and Methyl Substituted Analogues. The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, and general theory, Vol. 119, H. 34. pp. 9078-9084.

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Official URL: http://edoc.unibas.ch/dok/A6428738

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Abstract

The gas-phase electronic spectra of two resonantly stabilized radicals, 1-indanyl (C9H9) and 1-methyl-1-indanyl (C10H11), have been recorded in the visible region using a resonant two-color two-photon ionization (R2C2PI) scheme. The D1(A″) ← D0(A″) origin bands of 1-indanyl and 1-methyl-1-indanyl radicals are observed at 21157 and 20565 cm–1, respectively. The excitation of a′ vibrations in the D1 state is observed up to ∼1500 cm–1 above the origin band in both cases. The experimental assignments are in agreement with DFT and TD-DFT calculations. The R2C2PI spectrum recorded at m/z = 131 amu (C10H11) features three additional electronic transitions at 21433, 21369, and 17989 cm–1, which are assigned to the origin bands of 7-methyl-1-indanyl, 2,3,4-trihydronaphthyl, and methyl-4-ethenylbenzyl radicals, respectively.
Faculties and Departments:05 Faculty of Science > Departement Chemie > Chemie > Physikalische Chemie (Maier)
UniBasel Contributors:Maier, John Paul and Maity, Surajit and Steglich, Mathias
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:American Chemical Society
ISSN:1089-5639
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:02 Oct 2015 10:01
Deposited On:02 Oct 2015 10:01

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