Mercaptomethyl radical

• Formula: CH₃S
• Molecular weight: 47.100
• IUPAC Standard InChI: InChI=1S/CH3S/c1-2/h2H,1H2 Copy

  
• IUPAC Standard InChIKey: YYOGAOHWUDJBLM-UHFFFAOYSA-N Copy
• CAS Registry Number: 17032-46-1
• Chemical structure:
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• Information on this page:
  • Gas phase ion energetics data
  • Vibrational and/or electronic energy levels
  • References
  • Notes
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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Gas phase ion energetics data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
B - John E. Bartmess

View reactions leading to CH₃S⁺ (ion structure unspecified)

Electron affinity determinations

Ionization energy determinations

Vibrational and/or electronic energy levels

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Marilyn E. Jacox

State:   ?

State:   X

Additional references: Jacox, 1994, page 238

Notes

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Kass, Guo, et al., 1990
Kass, S.R.; Guo, H.-Z.; Dahlke, G.D., The Thiomethyl Anion: Formation, Reactivity, and Thermodynamic Properties, J. Am. Soc. Mass Spectrom., 1990, 1, 5, 366, https://doi.org/10.1016/1044-0305(90)85016-F . [all data]

McIver Jr. and Fukuda, 1982
McIver Jr.; Fukuda, E.K., Equilibrium Electron Affinities, Lec. Notes in Chem., 1982, 31, 165. [all data]

Ruscic and Berkowitz, 1992
Ruscic, B.; Berkowitz, J., Photoionization mass spectrometric studies of the isomeric transient species CH₂SH and CH₃S, J. Chem. Phys., 1992, 97, 1818. [all data]

Anastasi, Broomfield, et al., 1991
Anastasi, C.; Broomfield, M.; Nielsen, O.J.; Pagsberg, P., Ultraviolet absorption spectra and kinetics of CH3S and CH2SH radicals, Chem. Phys. Lett., 1991, 182, 6, 643, https://doi.org/10.1016/0009-2614(91)90139-Z . [all data]

Jacox and Milligan, 1975
Jacox, M.E.; Milligan, D.E., Matrix isolation study of the infrared spectrum of thioformaldehyde, J. Mol. Spectrosc., 1975, 58, 1, 142, https://doi.org/10.1016/0022-2852(75)90162-9 . [all data]

Jacox, 1983
Jacox, M.E., The reaction of F atoms with CH, Can. J. Chem., 1983, 61, 5, 1036, https://doi.org/10.1139/v83-182 . [all data]

Jacox, 1994
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]

Notes

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• Symbols used in this document:
  

  EA	Electron affinity

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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