1,3-Propanedithiol

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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
B - John E. Bartmess

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Individual Reactions

1,3-Propanedithiol + Iodine = 2Hydrogen iodide + 1,2-Dithiolane

By formula: C3H8S2 + I2 = 2HI + C3H6S2

Quantity Value Units Method Reference Comment
Δr-25.75kcal/molCmSunner, 1955liquid phase; solvent: Ethanol/water(90/10); ALS

C3H7S2- + Hydrogen cation = 1,3-Propanedithiol

By formula: C3H7S2- + H+ = C3H8S2

Quantity Value Units Method Reference Comment
Δr341.6 ± 2.1kcal/molIMREKarty, Wu, et al., 2001gas phase; B

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: John E. Bartmess

De-protonation reactions

C3H7S2- + Hydrogen cation = 1,3-Propanedithiol

By formula: C3H7S2- + H+ = C3H8S2

Quantity Value Units Method Reference Comment
Δr341.6 ± 2.1kcal/molIMREKarty, Wu, et al., 2001gas phase

References

Go To: Top, Reaction thermochemistry data, 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.

Sunner, 1955
Sunner, S., Strain in 6,8-thioctic acid, Nature (London), 1955, 176, 217. [all data]

Karty, Wu, et al., 2001
Karty, J.M.; Wu, Y.S.; Brauman, J.I., The RS-center dot HSR hydrogen bond: Acidities of alpha,omega- dithiols and electron affinities of their monoradicals, J. Am. Chem. Soc., 2001, 123, 40, 9800-9805, https://doi.org/10.1021/ja0039684 . [all data]


Notes

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