Thioformaldehyde


Gas phase 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas118. ± 8.4kJ/molIonRuscic and Berkowitz, 1993 
Δfgas90. ± 8.kJ/molIonRoy and McMahon, 1982Appearance potential

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 by: John E. Bartmess

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Individual Reactions

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

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

Quantity Value Units Method Reference Comment
Δr305. ± 16.kJ/molN/ABartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale

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.

Ruscic and Berkowitz, 1993
Ruscic, B.; Berkowitz, J., Photoionization mass spectrometry of CH2S and HCS, J. Chem. Phys., 1993, 98, 2568-2579. [all data]

Roy and McMahon, 1982
Roy, M.; McMahon, T.B., The proton affinity of thioformaldehyde implications for the heat of formation of thioformaldehyde and thiolmethyl carbonium ion from ion cyclotron resonance investigations of the proton transfer reactions of [CH2SH]+, Org. Mass Spectrom., 1982, 8, 392-395. [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]


Notes

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