Doppler-free two-photon excitation spectroscopy and the Zeeman effects. Perturbations in the 14(0)1 and 1(0)(1)14(0)1 bands of the S1 <-- S0 transition of C6D6

Doppler-free two-photon excitation spectroscopy and the Zeeman effects. Perturbations in the 14(0)1 and 1(0)(1)14(0)1 bands of the S1 <-- S0 transition of C6D6

Doppler-free two-photon excitation spectra and the Zeeman effects for the 1 band of the S1 1B2u

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Veröffentlicht in:The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory Molecules, spectroscopy, kinetics, environment, & general theory, 2005-08, Vol.109 (32), p.7127-7133
Hauptverfasser: Baek, Dae Youl, Wang, Jinguo, Doi, Atsushi, Kasahara, Shunji, Katô, Hajime, Baba, Masaaki
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container_issue 32
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container_title The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory
container_volume 109
creator Baek, Dae Youl
Wang, Jinguo
Doi, Atsushi
Kasahara, Shunji
Katô, Hajime
Baba, Masaaki
description Doppler-free two-photon excitation spectra and the Zeeman effects for the 1 band of the S1 1B2u
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The symmetry and the assignment of the perturbing state proposed by Schubert et al. (Schubert, U.; Riedle, E.; Neusser, H. J. J. Chem. Phys. 1989, 90, 5994.) were confirmed. No perturbation originating from an interaction with a triplet state was observed in both bands. From the Zeeman spectra and the analysis, it is demonstrated that rotationally resolved levels are not mixed with a triplet state. The intersystem mixing is not likely to occur at levels of low excess energy in the S1 state of an isolated benzene. Nonradiative decay of an isolated benzene in the low vibronic levels of the S1 state will occur through the internal mixing followed by the rotational and vibrational relaxation in the S0 state.</description><identifier>ISSN: 1089-5639</identifier><identifier>PMID: 16834076</identifier><language>eng</language><publisher>United States</publisher><ispartof>The journal of physical chemistry. 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Phys. 1989, 90, 5994.) were confirmed. No perturbation originating from an interaction with a triplet state was observed in both bands. From the Zeeman spectra and the analysis, it is demonstrated that rotationally resolved levels are not mixed with a triplet state. The intersystem mixing is not likely to occur at levels of low excess energy in the S1 state of an isolated benzene. 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A, Molecules, spectroscopy, kinetics, environment, &amp; general theory</jtitle><addtitle>J Phys Chem A</addtitle><date>2005-08-18</date><risdate>2005</risdate><volume>109</volume><issue>32</issue><spage>7127</spage><epage>7133</epage><pages>7127-7133</pages><issn>1089-5639</issn><abstract>Doppler-free two-photon excitation spectra and the Zeeman effects for the 1 band of the S1 1B2u &lt;-- S0 1A1g transition in gaseous benzene-d6 were measured. Although the spectral lines were strongly perturbed, almost all of the lines near the band origin could be assigned. From a deperturbation analysis, the perturbation near the band origin was identified as originating from an anharmonic resonance interaction. Perturbation centered at K = 28-29 in the 14(0)1 band was analyzed, and it was identified as originating from a perpendicular Coriolis interaction. The symmetry and the assignment of the perturbing state proposed by Schubert et al. (Schubert, U.; Riedle, E.; Neusser, H. J. J. Chem. Phys. 1989, 90, 5994.) were confirmed. No perturbation originating from an interaction with a triplet state was observed in both bands. From the Zeeman spectra and the analysis, it is demonstrated that rotationally resolved levels are not mixed with a triplet state. The intersystem mixing is not likely to occur at levels of low excess energy in the S1 state of an isolated benzene. Nonradiative decay of an isolated benzene in the low vibronic levels of the S1 state will occur through the internal mixing followed by the rotational and vibrational relaxation in the S0 state.</abstract><cop>United States</cop><pmid>16834076</pmid><tpages>7</tpages></addata></record>
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title Doppler-free two-photon excitation spectroscopy and the Zeeman effects. Perturbations in the 14(0)1 and 1(0)(1)14(0)1 bands of the S1 <-- S0 transition of C6D6
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