Infrared Spectra of the Halothane–Trimethylamine Complex in Liquefied Krypton

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Infrared Spectra of the Halothane–Trimethylamine Complex in Liquefied Krypton. / Меликова, Сона Меджидовна ; Рутковский, Константин Станиславович.

In: OPTICS AND SPECTROSCOPY, Vol. 129, No. 5, 04.2021, p. 517-524.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{17082baada5e4b998c4558ef1b2d25f4,

title = "Infrared Spectra of the Halothane–Trimethylamine Complex in Liquefied Krypton",

abstract = "Abstract—The IR absorption spectra of solutions of mixtures of halothane (C2HBrClF3) and trimethylamine ((CD3)3N) in liquefied krypton were obtained and analyzed. Bands assigned to weak hydrogen-bonded complexes have been identified. In a series of temperature experiments on the change in the integral intensities of the bands of monomers and complexes, the enthalpy of formation of complexes was estimated. An extremely strong increase in the intensity of the second-order bands attributed to the first overtone of bending CH vibrations of halothane was found. The effect is determined by strong anharmonic interactions of a resonant nature (Fermi resonance and Darling–Dennison resonance). The results of ab initio calculations reproduce the experimentally observed effects.",

keywords = "водородная связь, фторотан, летучие анестетики, колебательные спектры",

author = "Меликова, {Сона Меджидовна} and Рутковский, {Константин Станиславович}",

note = "Publisher Copyright: {\textcopyright} 2021, Pleiades Publishing, Ltd.",

year = "2021",

month = apr,

doi = "10.1134/S0030400X21040159",

language = "English",

volume = "129",

pages = "517--524",

journal = "OPTICS AND SPECTROSCOPY",

issn = "0030-400X",

publisher = "Pleiades Publishing",

number = "5",

}

RIS

TY - JOUR

T1 - Infrared Spectra of the Halothane–Trimethylamine Complex in Liquefied Krypton

AU - Меликова, Сона Меджидовна

AU - Рутковский, Константин Станиславович

PY - 2021/4

Y1 - 2021/4

N2 - Abstract—The IR absorption spectra of solutions of mixtures of halothane (C2HBrClF3) and trimethylamine ((CD3)3N) in liquefied krypton were obtained and analyzed. Bands assigned to weak hydrogen-bonded complexes have been identified. In a series of temperature experiments on the change in the integral intensities of the bands of monomers and complexes, the enthalpy of formation of complexes was estimated. An extremely strong increase in the intensity of the second-order bands attributed to the first overtone of bending CH vibrations of halothane was found. The effect is determined by strong anharmonic interactions of a resonant nature (Fermi resonance and Darling–Dennison resonance). The results of ab initio calculations reproduce the experimentally observed effects.

AB - Abstract—The IR absorption spectra of solutions of mixtures of halothane (C2HBrClF3) and trimethylamine ((CD3)3N) in liquefied krypton were obtained and analyzed. Bands assigned to weak hydrogen-bonded complexes have been identified. In a series of temperature experiments on the change in the integral intensities of the bands of monomers and complexes, the enthalpy of formation of complexes was estimated. An extremely strong increase in the intensity of the second-order bands attributed to the first overtone of bending CH vibrations of halothane was found. The effect is determined by strong anharmonic interactions of a resonant nature (Fermi resonance and Darling–Dennison resonance). The results of ab initio calculations reproduce the experimentally observed effects.

KW - водородная связь, фторотан, летучие анестетики, колебательные спектры

UR - http://www.scopus.com/inward/record.url?scp=85108164778&partnerID=8YFLogxK

U2 - 10.1134/S0030400X21040159

DO - 10.1134/S0030400X21040159

M3 - Article

AN - SCOPUS:85108164778

VL - 129

SP - 517

EP - 524

JO - OPTICS AND SPECTROSCOPY

JF - OPTICS AND SPECTROSCOPY

SN - 0030-400X

IS - 5

ER -

ID: 90571430