Journal
JOURNAL OF MOLECULAR STRUCTURE
Volume 1144, Issue -, Pages 159-165Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.molstruc.2017.05.035
Keywords
Indole; Hydrogen bond; Ethers; FTIR; NIR
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Funding
- Ministry of Education, Science and Technological Development of the Republic of Serbia [ON112013]
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This paper reports FTIR and NIR spectroscopic study of hydrogen bonding between indole and different ethers in carbon tetrachloride. With increase in ether concentration increase in intensity of red-shifted band, and decrease of intensity of monomer band has been observed. The FTIR and NIR spectroscopic characteristics for N-H center dot center dot center dot O hydrogen bonded complexes and also the equilibrium constants for 1:1 complex formation are given. Influence of structural differences of ethers on hydrogen bonding was investigated using Taft equation. Good correlation has been obtained. (C) 2017 Elsevier B.V. All rights reserved.
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