Please use this identifier to cite or link to this item:
https://hdl.handle.net/10316/5134
Title: | Electric polarization effects on the electronic spectral shift of centrosymmetric compounds | Authors: | Togashi, Denisio M. Costa, Sílvia M. B. Sobral, Abílio J. F. N. Gonsalves, A. M. d'A. R. |
Keywords: | Quadrupole moment; Reaction field; Polarization; Dielectric; Solvatochromism | Issue Date: | 2004 | Citation: | Chemical Physics. 300:1-3 (2004) 267-275 | Abstract: | The classic dielectric dipolar Onsager model was extended to include quadrupolar interactions between solute molecules and solvents with different polarities. A multiparametric solvatochromic expression, based on the point quadrupole moment inside a spherical cavity embedded in a dielectric continuum, is applied to centrosymmetric sulfonamide porphyrins, zinc tetraphenyl porphyrin, squaraine and 9,10-dicyanoanthracene, in order to account for the quadrupolar polarization effect of solute molecules. The reaction field polarity functions created respectively by dipole and quadrupole moments are compared and found to be linearly correlated. | URI: | https://hdl.handle.net/10316/5134 | DOI: | 10.1016/j.chemphys.2004.02.009 | Rights: | openAccess |
Appears in Collections: | FCTUC Química - Artigos em Revistas Internacionais |
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file5af724c119d344539efe31508d282951.pdf | 237.04 kB | Adobe PDF | View/Open |
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