Laser induced fluorescence and ultraviolet absorption spectra and the ring-puckering potential function of 1,4-dihydronaphthalene in its ground and S1(π,π∗) electronic states
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The fluorescence excitation spectra, single vibrational level fluorescence spectra, and ultraviolet absorption spectra of 1,4-dihydronaphthalene have been analyzed. The first four quantum energy spacings for the ring-puckering vibration were determined for the S0 and S1(π, π*) electronic states, and the potential energy functions were also determined. In the ground state the single-minimum function is dominated by the quartic term, but in the excited state the function becomes nearly harmonic. The S0 function is less rigid than that for 1,4-cyclohexadiene but the S1(π, π*) function becomes much more rigid. Earlier work on this molecule had erroneously postulated barriers in both electronic states. © 2007 Elsevier B.V. All rights reserved.
author list (cited authors)
Rishard, M., Wagner, M., Yang, J., & Laane, J.
complete list of authors
Rishard, Mohamed ZM||Wagner, Martin||Yang, Juan||Laane, Jaan