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Comments on the published article “Solvatochromic study of 2-hydroxy-4-methylquinoline for the determination of dipole moments and solute–solvent interactions” by R. Rautela et al., J. Molecular Liquids, 154(2010)47–51

✍ Scribed by A. Kawski; P. Bojarski

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
102 KB
Volume
157
Category
Article
ISSN
0167-7322

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Response to the comments by Kawski and B
Response to the comments by Kawski and Bojarski on the article “Solvatochromic study of 2-hydroxy-4-methylquinoline for the determination of dipole moments and solute–solvent interactions” by Rautela et al. J. Molecular Liquids, 154 (2010) 47–51
✍ R. Rautela; N.K. Joshi; H.C. Joshi; N. Tewari; S. Pant 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 92 KB

We agree with Kawski and Bojarski [1] that the correct value of dipole moment can be estimated from G 2 group of solvents where there is minimal solute-solvent interaction. However, if there is an intramolecular charge transfer (e.g. in aprotic polar solvents), the emission may be quite red shifted

Solvatochromic study of 2-hydroxy-4-meth
Solvatochromic study of 2-hydroxy-4-methylquinoline for the determination of dipole moments and solute–solvent interactions
✍ R. Rautela; N.K. Joshi; H.C. Joshi; N. Tewari; S. Pant 📂 Article 📅 2010 🏛 Elsevier Science 🌐 English ⚖ 481 KB

The electronic absorption and fluorescence spectra of 2-hydroxy-4-methylquinoline (HMQ) have been recorded at room temperature (298 K) in solvents of different polarities. The spectral data have been used to evaluate the ground and first excited singlet state dipole moment using the solvatochromic s