2,4-Hexadiyne

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Gas phase thermochemistry 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 compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas377.4kJ/molCcbLuk'yanova, Pimenova, et al., 1992 

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 compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
LL - Sharon G. Lias and Joel F. Liebman

View reactions leading to C6H6+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
8.90 ± 0.05PIRosenstock, McCulloh, et al., 1977LLK
8.92PEHeilbronner, Jones, et al., 1977LLK
8.92 ± 0.02PEBieri, Burger, et al., 1977LLK
9.0 ± 0.1EIReeher, Flesch, et al., 1976LLK
8.91PEBrogli, Heilbronner, et al., 1973LLK
9.20EIMomigny, Brakier, et al., 1962RDSH
11.51 ± 0.02SPrice and Walsh, 1945RDSH
9.08PEBieri and Asbrink, 1980Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CH3+25.70?EIMomigny, Brakier, et al., 1962RDSH
C3H3+11.99?EIMomigny, Brakier, et al., 1962RDSH
C4H2+14.6 ± 0.1C2H4PIPECODannacher, Stadelmann, et al., 1981LLK
C4H2+14.6 ± 0.1C2H4PIDannacher, 1978LLK
C4H3+14.1 ± 0.1C2H3PIDannacher, 1978LLK
C4H3+15.04?EIMomigny, Brakier, et al., 1962RDSH
C4H4+11.3 ± 0.2C2H2PIRosenstock, McCulloh, et al., 1977LLK
C4H4+12.12C2H2EIMomigny, Brakier, et al., 1962RDSH
C5H3+12.3 ± 0.1CH3PIKompe, Peel, et al., 1993LL
C5H3+13.55CH3EIMomigny, Brakier, et al., 1962RDSH
C6H3+17.99H2+HEIMomigny, Brakier, et al., 1962RDSH
C6H4+11.35H2EIMomigny, Brakier, et al., 1962RDSH
C6H5+9.85HPIOhmichi, Malinovich, et al., 1989LL
C6H5+10.55 ± 0.09HPIRosenstock, McCulloh, et al., 1977LLK
C6H5+11.57HEIMomigny, Brakier, et al., 1962RDSH

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

Normal alkane RI, non-polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryOV-101891.Zenkevich, 200525. m/0.20 mm/0.10 μm, N2/He, 6. K/min; Tstart: 50. C; Tend: 250. C

Normal alkane RI, non-polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryMethyl Silicone831.Zenkevich, 1998Program: not specified

References

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

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Luk'yanova, Pimenova, et al., 1992
Luk'yanova, V.A.; Pimenova, S.M.; Timofeeva, L.P.; Kozina, M.P.; Kolesov, V.P.; Tarakanova, A.V., Standard enthalpies of formation of some derivatives of diacetylene, Russ. J. Phys. Chem. (Engl. Transl.), 1992, 66, 1083-1085. [all data]

Rosenstock, McCulloh, et al., 1977
Rosenstock, H.M.; McCulloh, K.E.; Lossing, F.P., On the mechanisms of C6H6 ionization fragmentation, Int. J. Mass Spectrom. Ion Phys., 1977, 25, 327. [all data]

Heilbronner, Jones, et al., 1977
Heilbronner, E.; Jones, T.B.; Maier, J.P., 170. The ionization energies of di-n-alkyl diacetylenes, Helv. Chim. Acta, 1977, 60, 1697. [all data]

Bieri, Burger, et al., 1977
Bieri, G.; Burger, F.; Heilbronner, E.; Maier, J.P., Valence ionization enrgies of hydrocarbons, Helv. Chim. Acta, 1977, 60, 2213. [all data]

Reeher, Flesch, et al., 1976
Reeher, J.R.; Flesch, G.D.; Svec, H.J., The mass spectra and ionization potentials of the neutral fragments produced during the electron bombardment of aromatic compounds, Org. Mass Spectrom., 1976, 11, 154. [all data]

Brogli, Heilbronner, et al., 1973
Brogli, F.; Heilbronner, E.; Hornung, V.; Kloster-Jensen, E., 230. Die photoelektronen-spektren methyl-substituierter Acetylene, Helv. Chim. Acta, 1973, 56, 2171. [all data]

Momigny, Brakier, et al., 1962
Momigny, J.; Brakier, L.; D'Or, L., Comparaison entre les effets de l'impact electronique sur le benzene et sur les isomeres du benzene en chaine ouverte, Bull. Classe Sci. Acad. Roy. Belg., 1962, 48, 1002. [all data]

Price and Walsh, 1945
Price, W.C.; Walsh, A.D., The absorption spectra of triple bond molecules in the vacuum ultra violet, J. Chem. Soc. Faraday Trans., 1945, 41, 381. [all data]

Bieri and Asbrink, 1980
Bieri, G.; Asbrink, L., 30.4-nm He(II) photoelectron spectra of organic molecules, J. Electron Spectrosc. Relat. Phenom., 1980, 20, 149. [all data]

Dannacher, Stadelmann, et al., 1981
Dannacher, J.; Stadelmann, J.P.; Vogt, J., Competition between dissociative and nondissociative decay of excited perdeutero-2,4-hexadiyne cations, J. Chem. Phys., 1981, 74, 2094. [all data]

Dannacher, 1978
Dannacher, J., Photoelectron-photoion-coincidence measurements on 2,4-hexadiyne, Chem. Phys., 1978, 29, 339. [all data]

Kompe, Peel, et al., 1993
Kompe, B.; Peel, J.B.; Traeger, J.C., A theoretical and experimental study of the structures and stabilities of the [C5H3]+ cation, Org. Mass Spectrom., 1993, 28, 1253. [all data]

Ohmichi, Malinovich, et al., 1989
Ohmichi, N.; Malinovich, Y.; Ziesel, J.P.; Lifshitz, C., Time-dependent mass spectra and breakdown graphs. 12. Competitive dissociative isomerizations of the 2,4-hexadiyne cation, J. Phys. Chem., 1989, 93, 2491. [all data]

Zenkevich, 2005
Zenkevich, I.G., Experimentally measured retention indices., 2005. [all data]

Zenkevich, 1998
Zenkevich, I.G., Non-Traditional Criteria for Gas-Chromatographic and Chromato-Mass-Spectrometric Identification of Organic Compounds, Zh. Anal. Khim., 1998, 53, 8, 828-835. [all data]


Notes

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