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Thiourea, tetramethyl-

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

Quantity Value Units Method Reference Comment
Proton affinity (review)947.6kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity916.6kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
7.82 ± 0.03PEGuimon, Pfister-Guillouzo, et al., 1974LLK
7.95 ± 0.05EIBaldwin, Maccoll, et al., Ind. 1966RDSH
7.84PERoth, Bock, et al., 1985Vertical value; LBLHLM
7.84PEMines and Thompson, 1975Vertical value; LLK
7.82PEGuimon, Gonbeau, et al., 1974Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C2H6N+10.35?EILoudon and Webb, 1977LLK
C3H6NS+11.20?EILoudon and Webb, 1977LLK

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]

Guimon, Pfister-Guillouzo, et al., 1974
Guimon, C.; Pfister-Guillouzo, G.; Arbelot, M.; Chanon, M., Electronic structure of sulphur compounds. VII. Photoelectron spectra of thiocarbonyl J. Heterocycl. Chem.., Tetrahedron, 1974, 30, 3831. [all data]

Baldwin, Maccoll, et al., Ind. 1966
Baldwin, M.; Maccoll, A.; Kirkien-Konasiewicz, A.; Saville, B., Ionisation potentials of the N-methylated thioureas, Chem., Ind. 1966, 286. [all data]

Roth, Bock, et al., 1985
Roth, B.; Bock, H.; Gotthardt, H., Radikalionen 66. Thioparabansaure-derivate: Ionisation zum Radikalkation und reduktion zum radikalanion, Phosphorus Sulfur, 1985, 22, 109. [all data]

Mines and Thompson, 1975
Mines, G.W.; Thompson, H.W., The photoelectron spectra of amides, thioamides, ureas and thioureas, Spectrochim. Acta, 1975, 31, 137. [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]

Loudon and Webb, 1977
Loudon, A.G.; Webb, K.S., The nature of the [C2H6N]+ and [CH4N]+ ions formed by electron impact on methylated formamides, acetamides, ureas, thioureas and hexamethylphosphoramide, Org. Mass Spectrom., 1977, 12, 283. [all data]


Notes

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