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Thioketene


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:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C2H2S+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
Proton affinity (review)826.2kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity795.4kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Deltaf(+) ion1010.kJ/molN/AN/A 
Quantity Value Units Method Reference Comment
DeltafH(+) ion,0K979.kJ/molN/AN/A 

Ionization energy determinations

IE (eV) Method Reference Comment
8.77PERosmus, Solouki, et al., 1977LLK
8.89PERosmus, Solouki, et al., 1977Vertical value; LLK
8.89PEBock, Solouki, et al., 1977Vertical value; LLK

De-protonation reactions

C2HS- + Hydrogen cation = Thioketene

By formula: C2HS- + H+ = C2H2S

Quantity Value Units Method Reference Comment
Deltar1469. ± 17.kJ/molG+TSRobinson, Davico, et al., 1994gas phase; Data listed as M.R. Krempp, personal communication, 1994; B
Quantity Value Units Method Reference Comment
Deltar1436. ± 17.kJ/molIMRBRobinson, Davico, et al., 1994gas phase; Data listed as M.R. Krempp, personal communication, 1994; B

References

Go To: Top, Gas phase ion energetics data, Notes

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]

Rosmus, Solouki, et al., 1977
Rosmus, P.; Solouki, B.; Bock, H., Ground and excited states of thioketene radical cation, H2CCS+, Chem. Phys., 1977, 22, 453. [all data]

Bock, Solouki, et al., 1977
Bock, H.; Solouki, B.; Bert, G.; Rosmus, P., Unstable Intermediates.5.(1)Thioketene, J. Am. Chem. Soc., 1977, 99, 1663. [all data]

Robinson, Davico, et al., 1994
Robinson, M.S.; Davico, G.E.; Bierbaum, V.M.; Depuy, C.H., The gas phase ion/molecule chemistry of the carbon-13 labeled ketenyl and methyl ketenyl anions with CS2, COS, and CO2, Int. J. Mass Spectrom. Ion Proc., 1994, 137, 107, https://doi.org/10.1016/0168-1176(94)04030-3 . [all data]


Notes

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