Spectroscopic Identification of Isomeric 2,3- and 2,6-Dimethylbenzyl Radicals in Corona Discharge 


Vol. 34,  No. 3, pp. 763-767, Mar.  2013
10.5012/bkcs.2013.34.3.763


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  Abstract

We resolved the controversial assignments of the visible vibronic bands observed from corona discharge of 1,2,3-trimethylbenzene. The vibronic bands belonging to the jet-cooled 2,6-dimethylbenzyl radical were clearly identified from the spectrum observed from corona discharge of 2,6-dimethylbenzyl chloride. After subtracting the bands of the 2,6-isomer from the spectrum observed from corona discharge of 1,2,3- trimethylbenzene, the vibronic bands of the 2,3-isomer were also identified. By comparing data with the known vibrational data of 1,2,3-trimethylbenzene and the results of ab initio calculations, we determined the electronic energies of the D1 → D0 transitions and vibrational mode frequencies in the ground electronic states of the 2,3- and 2,6-dimethylbenzyl radicals.

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  Cite this article

[IEEE Style]

Y. W. Yoon and S. K. Lee, "Spectroscopic Identification of Isomeric 2,3- and 2,6-Dimethylbenzyl Radicals in Corona Discharge," Bulletin of the Korean Chemical Society, vol. 34, no. 3, pp. 763-767, 2013. DOI: 10.5012/bkcs.2013.34.3.763.

[ACM Style]

Young Wook Yoon and Sang Kuk Lee. 2013. Spectroscopic Identification of Isomeric 2,3- and 2,6-Dimethylbenzyl Radicals in Corona Discharge. Bulletin of the Korean Chemical Society, 34, 3, (2013), 763-767. DOI: 10.5012/bkcs.2013.34.3.763.

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ISSN(Print) 0253-2964
ISSN(Online) 1229-5949