The Electric Dipole Moments of Methine Dyes – Comparison of Experimental Results with Theoretical Predictions release_henozmixhrfwjey2m2wb62woq4

by Z. Salamon, A. Skibiński, K. Celnik

Published in Zeitschrift fur Naturforschung A-A Journal of Physical Sciences by Walter de Gruyter GmbH.

1982   Volume 37


<jats:title>Abstract</jats:title>Absorption and emission spectra of methine dyes in polar and nonpolar solvents were measured. From the Stokes shift as a function of solvent polarity the dipole moments of excited singlet states have been estimated and compared with the quantum chemical predictions. Also the π-electronic charge distribution in the ground and first excited singlet electronic states and bond orders of the dyes were calculated. All investigated methines showed an increase in dipole moment upon excitation to the first excited emitting state.
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Type  article-journal
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Date   1982-01-01
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