Cyclohexanemethanethiol


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

C7H13S- + Hydrogen cation = Cyclohexanemethanethiol

By formula: C7H13S- + H+ = C7H14S

Quantity Value Units Method Reference Comment
Δr1475. ± 9.2kJ/molG+TSTaft, 1987gas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr1449. ± 8.4kJ/molIMRETaft, 1987gas phase; value altered from reference due to change in acidity scale

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:
B - John E. Bartmess

Quantity Value Units Method Reference Comment
Proton affinity (review)813.6kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity782.4kJ/molN/AHunter and Lias, 1998HL

De-protonation reactions

C7H13S- + Hydrogen cation = Cyclohexanemethanethiol

By formula: C7H13S- + H+ = C7H14S

Quantity Value Units Method Reference Comment
Δr1475. ± 9.2kJ/molG+TSTaft, 1987gas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr1449. ± 8.4kJ/molIMRETaft, 1987gas phase; value altered from reference due to change in acidity scale; B

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, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryDC-20070.1028.Leppin, Gollnick, et al., 1969Argon; Column length: 100. m

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.

Taft, 1987
Taft, R.W., The Nature and Analysis of Substitutent Electronic Effects, Personal communication. See also Prog. Phys. Org. Chem., 1987, 16, 1. [all data]

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]

Leppin, Gollnick, et al., 1969
Leppin, E.; Gollnick, K.; Schomburg, G., Gas chromatographic identification of isomeric mercaptans, Chromatographia, 1969, 2, 12, 535-540, https://doi.org/10.1007/BF02260096 . [all data]


Notes

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