Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

Vinyl radical

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Gas phase ion energetics data

Go To: Top, References, Notes

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

View reactions leading to C2H3+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
Proton affinity (review)180.5kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity172.0kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Deltaf(+) ion262. ± 3.kcal/molN/AN/A 
Quantity Value Units Method Reference Comment
DeltafH(+) ion,0K263. ± 3.kcal/molN/AN/A 

Electron affinity determinations

EA (eV) Method Reference Comment
0.667 ± 0.024LPESErvin, Gronert, et al., 1990B
>0.39999IMRBLindinger, Albritton, et al., 1975B

Ionization energy determinations

IE (eV) Method Reference Comment
8.25PEBlush and Chen, 1992LL
<=8.59 ± 0.03PIBerkowitz, Mayhew, et al., 1988LL
8.7 ± 0.1DERReinke, Kraessig, et al., 1973LLK
8.95EILossing, 1971LLK

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]

Ervin, Gronert, et al., 1990
Ervin, K.M.; Gronert, S.; Barlow, S.E.; Gilles, M.K.; Harrison, A.G.; Bierbaum, V.M.; DePuy, C.H.; Lin, W.C., Bonds Strengths of Ethylene and Acetylene, J. Am. Chem. Soc., 1990, 112, 15, 5750, https://doi.org/10.1021/ja00171a013 . [all data]

Lindinger, Albritton, et al., 1975
Lindinger, W.; Albritton, A.L.; Fehsenfeld, F.C.; Ferguson, E.E., Reactions of O- with N2, N2O, SO2, NH3, CH4, C2H4, and C2H2- with O2 from 300K to relative kinetic energies of 2 eV, J. Chem. Phys., 1975, 63, 3238. [all data]

Blush and Chen, 1992
Blush, J.A.; Chen, P., Photoelectron spectrum of the vinyl radical. Downward revision of C2H3 ionization potential, J. Phys. Chem., 1992, 96, 4138. [all data]

Berkowitz, Mayhew, et al., 1988
Berkowitz, J.; Mayhew, C.A.; Ruscic, B., A photoionization study of the vinyl radical, J. Chem. Phys., 1988, 88, 7396. [all data]

Reinke, Kraessig, et al., 1973
Reinke, D.; Kraessig, R.; Baumgartel, H., Photoreactions of small organic molecules, Z. Naturforsch. A:, 1973, 28, 1021. [all data]

Lossing, 1971
Lossing, F.P., Free radicals by mass spectrometry. XLIII. Ionization potentials and ionic heats of formation for vinyl, allyl, and benzyl radicals, Can. J. Chem., 1971, 49, 357. [all data]


Notes

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