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MeS anion


Reaction thermochemistry 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 compiled as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

MeS anion + Hydrogen cation = Methanethiol

By formula: CH3S- + H+ = CH4S

Quantity Value Units Method Reference Comment
Deltar1496. ± 8.4kJ/molD-EASchwartz, Davico, et al., 2000gas phase; B
Deltar1496. ± 8.4kJ/molD-EAMoran and Ellison, 1988gas phase; B
Deltar1493. ± 9.2kJ/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Deltar1467. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B

MeS anion + Water = (MeS anion bullet Water)

By formula: CH3S- + H2O = (CH3S- bullet H2O)

Quantity Value Units Method Reference Comment
Deltar62.76 ± 0.84kJ/molTDAsSieck and Meot-ner, 1989gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar88.7J/mol*KPHPMSSieck and Meot-ner, 1989gas phase; M
Quantity Value Units Method Reference Comment
Deltar36.4 ± 2.9kJ/molTDAsSieck and Meot-ner, 1989gas phase; B

MeS anion + Isopropyl Alcohol = (MeS anion bullet Isopropyl Alcohol)

By formula: CH3S- + C3H8O = (CH3S- bullet C3H8O)

Quantity Value Units Method Reference Comment
Deltar71.55 ± 0.84kJ/molTDAsSieck and Meot-ner, 1989gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar96.7J/mol*KPHPMSSieck and Meot-ner, 1989gas phase; M
Quantity Value Units Method Reference Comment
Deltar42.7 ± 3.3kJ/molTDAsSieck and Meot-ner, 1989gas phase; B

(MeS anion bullet 2Water) + Water = (MeS anion bullet 3Water)

By formula: (CH3S- bullet 2H2O) + H2O = (CH3S- bullet 3H2O)

Quantity Value Units Method Reference Comment
Deltar46.4kJ/molPHPMSSieck and Meot-ner, 1989gas phase; M
Quantity Value Units Method Reference Comment
Deltar85.8J/mol*KPHPMSSieck and Meot-ner, 1989gas phase; M

(MeS anion bullet 3Water) + Water = (MeS anion bullet 4Water)

By formula: (CH3S- bullet 3H2O) + H2O = (CH3S- bullet 4H2O)

Quantity Value Units Method Reference Comment
Deltar40.kJ/molPHPMSSieck and Meot-ner, 1989gas phase; M
Quantity Value Units Method Reference Comment
Deltar80.3J/mol*KPHPMSSieck and Meot-ner, 1989gas phase; M

(MeS anion bullet Water) + Water = (MeS anion bullet 2Water)

By formula: (CH3S- bullet H2O) + H2O = (CH3S- bullet 2H2O)

Quantity Value Units Method Reference Comment
Deltar56.5kJ/molPHPMSSieck and Meot-ner, 1989gas phase; M
Quantity Value Units Method Reference Comment
Deltar98.3J/mol*KPHPMSSieck and Meot-ner, 1989gas phase; M

(MeS anion bullet 4294967295Thioformaldehyde) + Thioformaldehyde = MeS anion

By formula: (CH3S- bullet 4294967295CH2S) + CH2S = CH3S-

Quantity Value Units Method Reference Comment
Deltar305. ± 16.kJ/molN/ABartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B

Vibrational and/or electronic energy levels

Go To: Top, Reaction thermochemistry data, References, Notes

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:   ?


 Energy 
 (cm-1
 Med.   Transition   «lambda»min 
 (nm) 
 «lambda»max 
 (nm) 
 References

Td = 15060 ± 30 gas Engleking, Ellison, et al., 1978
Janousek and Brauman, 1980
Moran and Ellison, 1988
Schwartz, Davico, et al., 2000, 2

State:   X


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

a1 3 CS stretch 410 ± 30 gas PE Schwartz, Davico, et al., 2000, 2

Additional references: Jacox, 1994, page 242; Jacox, 2003, page 261

Notes

dPhotodissociation threshold

References

Go To: Top, Reaction thermochemistry data, Vibrational and/or electronic energy levels, Notes

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

Schwartz, Davico, et al., 2000
Schwartz, R.L.; Davico, G.E.; Lineberger, W.C., Negative-ion photoelectron spectroscopy of CH3S-, J. Electron Spectros. Rel. Phenom., 2000, 108, 1-3, 163-168, https://doi.org/10.1016/S0368-2048(00)00125-0 . [all data]

Moran and Ellison, 1988
Moran, S.; Ellison, G.B., Photoelectron Spectroscopy of Sulfur Ions, J. Phys. Chem., 1988, 92, 7, 1794, https://doi.org/10.1021/j100318a021 . [all data]

Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [all data]

Sieck and Meot-ner, 1989
Sieck, L.W.; Meot-ner, M., Ionic Hydrogen Bond and Ion Solvation. 8. RS-..HOR Bond Strengths. Correlation with Acidities., J. Phys. Chem., 1989, 93, 4, 1586, https://doi.org/10.1021/j100341a079 . [all data]

Engleking, Ellison, et al., 1978
Engleking, P.C.; Ellison, G.B.; Lineberger, W.C., Laser photodetachment electron spectrometry of methoxide, deuteromethoxide, and thiomethoxide: Electron affinities and vibrational structure of CH3O, and CH3S, J. Chem. Phys., 1978, 69, 1826. [all data]

Janousek and Brauman, 1980
Janousek, B.K.; Brauman, J.I., Electron photodetachment of thiomethoxyl and deuterothiomethoxyl anions: Electron affinities, vibrational frequencies, and spin-orbit splitting in CH3S- and CD3S-, J. Chem. Phys., 1980, 72, 694. [all data]

Schwartz, Davico, et al., 2000, 2
Schwartz, R.L.; Davico, G.E.; Lineberger, W.C., Negative-ion photoelectron spectroscopy of CH3S-, J. Electron Spectrosc. Relat. Phenom., 2000, 108, 1-3, 163, https://doi.org/10.1016/S0368-2048(00)00125-0 . [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]

Jacox, 2003
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement B, J. Phys. Chem. Ref. Data, 2003, 32, 1, 1-441, https://doi.org/10.1063/1.1497629 . [all data]


Notes

Go To: Top, Reaction thermochemistry data, Vibrational and/or electronic energy levels, References