Microwave spectrum of ethyl mercaptan

Imanov, L. M.; Qajar, Ch. O.; Abbasov, A. A.

doi:10.1016/0375-9601(67)90156-9

Cited by 4 publications

(2 citation statements)

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“…Hence, the thiol equivalent of ethanol, ethyl mercaptan (CH 3 CH 2 SH), could also be present in space. Initial studies of the Stark modulated microwave spectra by Imanov et al (1967), Hayashi et al (1970), Hayashi et al (1973), Quade et al (1975), andNakagawa et al (1976) provided the first values of the spectroscopic constants for the gauche and trans conformers of ethyl mercaptan. These microwave laboratory data, however, cannot be used to accurately predict their frequencies in the millimeter and submillimeter-wave domains.…”

Section: Introductionmentioning

confidence: 99%

Spectroscopic Characterization and Detection of Ethyl Mercaptan in Orion

Kolesníková

Tercero

Cernicharo

et al. 2014

ApJ

105

135

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New laboratory data of ethyl mercaptan, CH 3 CH 2 SH, in the millimeter and submillimeter-wave domains (up to 880 GHz) provided very precise values of the spectroscopic constants that allowed the detection of gauche-CH 3 CH 2 SH towards -2 -Orion KL. 77 unblended or slightly blended lines plus no missing transitions in the range 80 -280 GHz support this identification. A detection of methyl mercaptan, CH 3 SH, in the spectral survey of Orion KL is reported as well. Our column density results indicate that methyl mercaptan is ≃ 5 times more abundant than ethyl mercaptan in the hot core of Orion KL.1 This work was based on observations carried out with the IRAM 30-meter telescope. IRAM is supported by INSU/CNRS (France), MPG (Germany) and IGN (Spain). 3 Hollis, J. M.; Remijan, A. J.; Jewell, P. R.; Lovas, F. J.; Corby, J. F.

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Section: Introductionmentioning

confidence: 99%

Spectroscopic Characterization and Detection of Ethyl Mercaptan in Orion

Kolesníková

Tercero

Cernicharo

et al. 2014

ApJ

105

135

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“…The relative assignments of Jcls and Jwans in this work must be reversed in view of trends reported here and previously2 and, in particular, in view of the results of Cole and Gilson.12 We thank Professor Braillon, who agrees with this conclusion, for helpful correspondence. (14) S. Sternhell, Q. Rev., Chem.…”

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confidence: 99%

Conformational analysis. CVIII. Calculation of the structures and energies of alkanethiols and thiaalkanes by the molecular mechanics method

Allinger¹,

Hickey²

1975

J. Am. Chem. Soc.

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Molecular Mechanics (MM3) calculations on sulfides

Allinger¹,

Quinn²,

Rahman³

et al. 1991

J of Physical Organic Chem

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The structures of eleven sulfide compounds including methanethiol, ethanethiol, dimethyl sulfide, ethyl methyl sulfide, di‐tert‐butyl sulfide, thiacyclopentane, thiacyclobutane, 5‐thiabicyclo [2.1.1] hexane and 7‐thiabicyclo [2.2.1] heptane have been calculated to agree with experimental data, along with the vibrational spectra of the first three of these. The heats of formation of 24 sulfides (including mercaptans) have also been calculated to agree with experimental data. In general, the force field for sulfides seems to be similar in accuracy with that for hydrocarbons.

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Microwave spectrum of ethyl mercaptan

Cited by 4 publications

References 1 publication

Spectroscopic Characterization and Detection of Ethyl Mercaptan in Orion

Spectroscopic Characterization and Detection of Ethyl Mercaptan in Orion

Conformational analysis. CVIII. Calculation of the structures and energies of alkanethiols and thiaalkanes by the molecular mechanics method

Molecular Mechanics (MM3) calculations on sulfides

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