FTIR Spectroscopy of Intermolecular Interactions of Ethers with Methanol: Cooperativity Effect

Rakipov, Ilnaz T.; Semenov, Konstantin N.; Petrov, Аrtem А.; Akhmadiyarov, Aydar A.; Khachatrian, Artashes A.; Klimovitskii, Alexander E.; Solomonov, Boris N.

doi:10.1007/s10953-022-01193-9

Cited by 3 publications

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“…This parameter and approach to study the contributions of intermolecular interactions of soluble substances in solvents has been successfully tested in a series of works [ 16 , 26 , 27 , 28 , 29 ]. The absorption frequencies of the C=O groups of dipeptides in solvents and the S VW parameter were compared in this work ( Figure 4 ).…”

Section: Resultsmentioning

confidence: 99%

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The Solvation Effect of C=O Group of Cyclic Anhydrides in Solution

Rakipov

Akhmadiyarov

Petrov

et al. 2023

IJMS

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The paper reports the results of investigation intermolecular interactions between alanine and sarcosine anhydride in organic solvents. The absorption frequencies of cyclic dipeptide in solvents were measured by IR spectroscopy. The effect of Van der Waals interactions and the hydrogen bonding of solvents on absorption frequencies of the C=O group of anhydrides was discussed. The spectroscopic parameters for C=O∙∙∙H-O hydrogen bonding complexes of anhydride with methanol in aprotic and proton donor solvent are obtained. In multi-particle complexes of dipeptides with aliphatic alcohols, the hydrogen bond enhancement was between 10 and 16%, which is significantly lower than it is for amide complexes.

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Section: Resultsmentioning

confidence: 99%

“…We used Equation (4) to determine the cooperativity coefficients (A b ) of hydrogen bonding in complicated complexes of dipeptides with methanol in proton donor solvent [ 16 , 24 , 26 , 29 ].

…”

Section: Resultsmentioning

confidence: 99%