HCðCCðCCðC anion


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: John E. Bartmess

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Individual Reactions

C6H- + Hydrogen cation = 1,3,5-Hexatriyne

By formula: C6H- + H+ = C6H2

Quantity Value Units Method Reference Comment
Δr358.8 ± 5.0kcal/molD-EAGarand, Yacovitch, et al., 2010gas phase; Calns says linear H-terminated structure for anion
Δr355.2 ± 3.1kcal/molG+TSNatterer, Koch, et al., 1994gas phase; Acidity between (Me3Si)2NH and 4-Me-pyrazole
Quantity Value Units Method Reference Comment
Δr350.6 ± 5.1kcal/molH-TSGarand, Yacovitch, et al., 2010gas phase; Calns says linear H-terminated structure for anion
Δr347.0 ± 3.0kcal/molIMRBNatterer, Koch, et al., 1994gas phase; Acidity between (Me3Si)2NH and 4-Me-pyrazole

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.

Garand, Yacovitch, et al., 2010
Garand, E.; Yacovitch, T.I.; Zhou, J.; Sheehan, S.M.; Neumark, D.M., Slow photoelectron velocity-map imaging of the CnH- (n=5-9) anions, Chem. Sci., 2010, 1, 2, 192-201, https://doi.org/10.1039/c0sc00164c . [all data]

Natterer, Koch, et al., 1994
Natterer, J.; Koch, W.; Schroder, D.; Goldberg, N.; Schwarz, H., Combined experimental and theoretical study of the C-H bond strength and the gas phase acidity of triacetylene, C6H2, and the electron affinity of the C6H. radical, Chem. Phys. Lett., 1994, 229, 4-5, 429, https://doi.org/10.1016/0009-2614(94)01075-7 . [all data]


Notes

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