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  Home > JCE Print > Journal of Chemical Education > Issues > 2008  > February  >
Research: Science and Education
Solvatochromism and Barochromism Revisited and Revealed
Satoshi Hirayama
Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606, Japan

Ronald P. Steer
Department of Chemistry, University of Saskatchewan, Saskatoon SK, Canada S7N 5C9

Cover
February 2008
Vol. 85 No. 2
p. 317
Abstract
A simplified treatment of the traditional theory of solvatochromism, attributed to Bayliss and McRae, is presented and used to describe the four main types of dipolar and dispersive physical interactions between solute and solvent. The theory is extended so that it may also be used to describe barochromism (pressure-induced spectroscopic shifts). The UV–vis spectrum of azulene, which exhibits unusual barochromism, is used as an illustrative example.
Supplement
The derivation of the first term in eq 1 is available.
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Citation
Hirayama, Satoshi; Steer, Ronald P. J. Chem. Educ. 2008, 85, 317.
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Keywords
Graduate Education / Research; Misconceptions / Discrepant Events; Molecular Properties / Structure; Noncovalent Interactions; Physical Chemistry; Physical Properties; Quantum Chemistry; Solutions / Solvents; Spectroscopy; Textbooks / Reference Books; Upper-Division Undergraduate; UV-Vis Spectroscopy
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History
Created:
Last Updated:
1/4/2008
1/9/2008
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