Pyridine, 3-(methylthio)-


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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Quantity Value Units Method Reference Comment
Proton affinity (review)223.8kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity216.2kcal/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
8.93 ± 0.02EIGronneberg and Undheim, 1972LLK
8.41 ± 0.03PECook, El-Abbady, et al., 1977Vertical value; LLK

Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin L.BAUER UNIV. OF ILLINOIS, CHICAGO, ILLINOIS, USA
NIST MS number 2449

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Gas Chromatography

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Van Den Dool and Kratz RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillarySupelcowax-101791.Chung, 199960. m/0.25 mm/0.25 μm, He, 35. C @ 5. min, 2. K/min, 195. C @ 90. min

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryHP-51152.Kubec, Drhová, et al., 199830. m/0.25 mm/0.25 μm, N2, 40. C @ 3. min, 4. K/min, 240. C @ 10. min

Normal alkane RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryHP-Innowax1803.Kubec, Drhová, et al., 199830. m/0.25 mm/0.25 μm, N2, 40. C @ 3. min, 4. K/min, 190. C @ 10. min

References

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, 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]

Gronneberg and Undheim, 1972
Gronneberg, T.; Undheim, K., Mass spectrometry of onium compounds. XI: ionization potentials of hydroxy and mercapto pyridines, Org. Mass Spectrom., 1972, 6, 823. [all data]

Cook, El-Abbady, et al., 1977
Cook, M.J.; El-Abbady, S.; Katritzky, A.R.; Guimon, C.; Pfister-Guillouzo, G., Photoelectron spectra of hydroxy- and mercapto-pyridines and models of fixed structure, J. Chem. Soc. Perkin Trans. 2, 1977, 1652. [all data]

Chung, 1999
Chung, H.Y., Volatile components in fermented soybean (Glycine max) curds, J. Agric. Food Chem., 1999, 47, 7, 2690-2696, https://doi.org/10.1021/jf981166a . [all data]

Kubec, Drhová, et al., 1998
Kubec, R.; Drhová, V.; Velísek, J., Thermal degradation of S-methylcysteine and its sulfoxide-important flavor precursors of Bassica and Allium vegetables, J. Agric. Food Chem., 1998, 46, 10, 4334-4340, https://doi.org/10.1021/jf980379x . [all data]


Notes

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