β Scribed by H. Kuhn; A. Schweig
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The dye molecule in a saturated hydrocarbon solvent (instead of the vacuum) is taken as reference state: the a-electrons of solute and solvent are treated as a continuous medium of dielectric constant E o = 2. The n-electrons of the solute are assumed to be immersed in this medium. Solvent shifts O: absorption and fluorescence are calculated from IXIOWI S-round and excited state dipole moments and po larizabilities of solute and dielectric constant and refractive index of solvent.
π SIMILAR VOLUMES
Picosecond transient absorption spectra of organic dyes in solution are measured at room temperature. When a dye molecule is dissolved in viscous solvents, a transient spectrum initially shows a slightly sharp hole around the exciting energy, accompanied by the time-dependent broadening of its shape
## Abstract Calculations of the dependence of ^13^C chemical shifts on the dielectric constant, Ο΅, of the medium are reported using the INDO/S parameterized version of Pople's method together with the solvaton model. Satisfactory agreement with the available experimental data is obtained. The rathe
The static and frequency-dependent first hyperpolarisabilities ( p ) of three phenoxidepyridinium derivatives and Reichardt's betaine (ET30) have been computed in the gas phase and in aqueous solvent. The sum-over-states formalism is used to calculate individual components of the ptensors. The solve
Christian Reichardt And Thomas Welton. Includes Bibliographical References (p. [587]-673) And Index.