Different Polymorphic Modifications of Phenyl Salicylate

N.A. Davydova; V.I. Melnik; V.V. Nesprava; V.Ya. Reznichenko

doi:10.15407/ujpe57.2.140

Different Polymorphic Modifications of Phenyl Salicylate

Authors

N.A. Davydova Institute of Physics, Nat. Acad. of Sci. of Ukraine
V.I. Melnik Institute of Physics, Nat. Acad. of Sci. of Ukraine
V.V. Nesprava Institute of Physics, Nat. Acad. of Sci. of Ukraine
V.Ya. Reznichenko Institute of Physics, Nat. Acad. of Sci. of Ukraine

DOI:

https://doi.org/10.15407/ujpe57.2.140

Keywords:

Abstract

For the first time, the luminescence spectra of two polymorphic forms of phenyl salicylate (salol) have been obtained. Both spectra show the vibronic structure. The average spacing between vibronic components is 1250 cm^–1. Based on the infrared spectroscopy study, it is concluded that the interval between vibronic components in the luminescence spectra corresponds to the ν(C–OH) stretching vibration. The luminescence spectrum of the metastable phase is shifted by 760 cm^–1 to the low-frequency side and is much wider relative to that in the stable phase. The presence of an OH group in the orto-position on the substituted ring results in the asymmetry of a molecule and the localization of an electronic excitation on this ring.

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Published

2012-02-15

How to Cite

Davydova, N., Melnik, V., Nesprava, V., & Reznichenko, V. (2012). Different Polymorphic Modifications of Phenyl Salicylate. Ukrainian Journal of Physics, 57(2), 140. https://doi.org/10.15407/ujpe57.2.140

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Issue

Vol. 57 No. 2 (2012)

Section

Atoms and molecules

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