(Z)-1,3-Pentadiene, 2-methyl-


Reaction 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

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Individual Reactions

(Z)-1,3-Pentadiene, 2-methyl- = 1,3-Pentadiene, 2-methyl-

By formula: C6H10 = C6H10

Quantity Value Units Method Reference Comment
Δr-17.20kJ/molEqkPetrova-Kuminskaya, Roganov, et al., 1984gas phase; At 458 K, see Petrova-Kuminskaya, Roganov, et al., 1984, 2

(Z)-1,3-Pentadiene, 2-methyl- = 1,4-Pentadiene, 2-methyl-

By formula: C6H10 = C6H10

Quantity Value Units Method Reference Comment
Δr-16.11kJ/molEqkPetrova-Kuminskaya, Roganov, et al., 1984gas phase; At 458 K, see Petrova-Kuminskaya, Roganov, et al., 1984, 2

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 by: Sharon G. Lias and Joel F. Liebman

View reactions leading to C6H10+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
8.65 ± 0.025PEWerstiuk and Timmins, 1988Vertical value

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

Kovats' RI, non-polar column, isothermal

View large format table.

Column type Active phase Temperature (C) I Reference Comment
PackedSqualane70.602.Safina, Poznyak, et al., 1989He, Risorb (0.2-0.3 mm); Column length: 2. m
CapillarySqualane50.603.3Bajus, Veselý, et al., 1979Column length: 100. m; Column diameter: 0.25 mm
CapillarySqualane70.602.9Bajus, Veselý, et al., 1979Column length: 100. m; Column diameter: 0.25 mm
PackedSqualane27.626.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
PackedSqualane49.628.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
PackedSqualane67.629.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
PackedSqualane86.629.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
PackedSqualane27.600.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
PackedSqualane49.601.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
PackedSqualane67.602.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
PackedSqualane86.602.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm

References

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

Petrova-Kuminskaya, Roganov, et al., 1984
Petrova-Kuminskaya, S.V.; Roganov, G.N.; Kabo, G.Ya., Enthalpies of formation and isomerization of alkadienes, Probl. Kalorim. Khim. Termodin., Dokl. Vses. Konf., 10th, 1984, 1, 234-236. [all data]

Petrova-Kuminskaya, Roganov, et al., 1984, 2
Petrova-Kuminskaya, S.V.; Roganov, G.N.; Kabo, G.Ya., Equilibrium of isomerization of 2-methylpentadienes, Neftekhimiya, 1984, 24, 485-490. [all data]

Werstiuk and Timmins, 1988
Werstiuk, N.; Timmins, G., A redetermination of the ultraviolet photoelectron spectrum of (Z)-2-methyl-1,3-pentadiene; evidence that twisted conformers predominate in the gas phase, Can. J. Chem., 1988, 66, 2954. [all data]

Safina, Poznyak, et al., 1989
Safina, L.R.; Poznyak, T.I.; Lisitsyn, D.M.; Kiseleva, E.V.; Kovalev, G.I., Selective gas-chromatographic determination of trace unsaturated and aromatic-hydrocarbons in complex-mixtures, J. Appl. Chem. USSR (Engl. Transl.), 1989, 44, 5, 749-754. [all data]

Bajus, Veselý, et al., 1979
Bajus, M.; Veselý, V.; Leclercq, P.A.; Rijks, J.A., Steam cracking of hydrocarbons. 2. Pyrolysis of methylcyclohexane, Ind. Eng. Chem. Prod. Res. Dev., 1979, 18, 2, 135-142, https://doi.org/10.1021/i360070a012 . [all data]

Hively and Hinton, 1968
Hively, R.A.; Hinton, R.E., Variation of the retention index with temperature on squalane substrates, J. Gas Chromatogr., 1968, 6, 4, 203-217, https://doi.org/10.1093/chromsci/6.4.203 . [all data]


Notes

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