Thioacetaldehyde


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

C2H3S- + Hydrogen cation = Thioacetaldehyde

By formula: C2H3S- + H+ = C2H4S

Quantity Value Units Method Reference Comment
Δr347.8 ± 3.4kcal/molG+TSZhang and Grabowski, 1989gas phase; Between MeCO2H, EtCO2H (Acid = MeCH=S)
Δr349.1 ± 4.1kcal/molG+TSGuillemin, Riague, et al., 2005gas phase; Acid: CH3CH=S
Quantity Value Units Method Reference Comment
Δr341.0 ± 3.0kcal/molIMRBZhang and Grabowski, 1989gas phase; Between MeCO2H, EtCO2H (Acid = MeCH=S)
Δr342.3 ± 3.8kcal/molIMRBGuillemin, Riague, et al., 2005gas phase; Acid: CH3CH=S

(CAS Reg. No. 20733-13-5 • 4294967295Thioacetaldehyde) + Thioacetaldehyde = CAS Reg. No. 20733-13-5

By formula: (CAS Reg. No. 20733-13-5 • 4294967295C2H4S) + C2H4S = CAS Reg. No. 20733-13-5

Quantity Value Units Method Reference Comment
Δr68.3 ± 3.0kcal/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.

Zhang and Grabowski, 1989
Zhang, L.; Grabowski, J.J., The Gas-Phase Basicity and H/D Exchange Characteristics of the Parent Thiocarbonyl Enolate Anions, J. Chem. Soc. Chem. Comm. 1819, 1989. [all data]

Guillemin, Riague, et al., 2005
Guillemin, J.C.; Riague, E.H.; Gal, J.F.; Maria, P.C.; Mo, O.; Yanez, M., Acidity trends in alpha,beta-unsaturated sulfur, selenium, and tellurium derivatives: Comparison with C-, Si-, Ge-, Sn-, N-, P-, As-, and Sb-containing analogues, Chem. Eur. J., 2005, 11, 7, 2145-2153, https://doi.org/10.1002/chem.200400989 . [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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