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:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess

View reactions leading to CH2S+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
Proton affinity (review)759.7kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity730.5kJ/molN/AHunter and Lias, 1998HL

Electron affinity determinations

EA (eV) Method Reference Comment
0.465 ± 0.023LPESMoran and Ellison, 1987B

Ionization energy determinations

IE (eV) Method Reference Comment
9.376 ± 0.003PIRuscic and Berkowitz, 1993LL
9.338 ± 0.010PEKroto and Suffolk, 1972LLK
9.44 ± 0.05EIJones and Lossing, 1967RDSH
9.38PESolouki, Rosmus, et al., 1976Vertical value; LLK
9.0PERao, 1975Vertical value; LLK
9.33PEGuimon, Gonbeau, et al., 1974Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CHS+11.533 ± 0.021HPIRuscic and Berkowitz, 1993LL


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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, . [all data]

Moran and Ellison, 1987
Moran, S.; Ellison, G.B., Electron spectroscopy of CH2S-, Int. J. Mass Spectrom. Ion Processes, 1987, 80, 83. [all data]

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

Kroto and Suffolk, 1972
Kroto, H.W.; Suffolk, R.J., The photoelectron spectrum of an unstable species in the pyrolysis products of dimethyldisulphide, Chem. Phys. Lett., 1972, 15, 545. [all data]

Jones and Lossing, 1967
Jones, A.; Lossing, F.P., The ionization potential and heat of formation of thioformaldehyde, J. Phys. Chem., 1967, 71, 4111. [all data]

Solouki, Rosmus, et al., 1976
Solouki, B.; Rosmus, P.; Bock, H., Unstable intermediates. 4. Thioformaldehyde, J. Am. Chem. Soc., 1976, 98, 6054. [all data]

Rao, 1975
Rao, C.N.R., Lone-pair ionization bands of chromophores in the photoelectron spectra of organic molecules, Indian J. Chem., 1975, 13, 950. [all data]

Guimon, Gonbeau, et al., 1974
Guimon, C.; Gonbeau, D.; Pfister-Guillouzo, G.; Asbrink, L.; Sandstrom, J., Electronic structure of sulphur compounds. VI. Photoelectron spectra of some simple thiocarbonyl compounds, J. Electron Spectrosc. Relat. Phenom., 1974, 4, 49. [all data]


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