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Methanethiol, trifluoro-

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Condensed 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: Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
liquid204.60J/mol*KN/ADininny and Pace, 1960 

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
113.09235.Dininny and Pace, 1960T = 12 to 227 K.

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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

CF3S- + Hydrogen cation = Methanethiol, trifluoro-

By formula: CF3S- + H+ = CHF3S

Quantity Value Units Method Reference Comment
Deltar1400. ± 9.6kJ/molG+TSKoppel, Pihl, et al., 1994gas phase; Possibly dissociative protonation -> CF2S + HF + A-. See CF3O-. G2: 321.0, Burk, Koppel, et al., 2000
Quantity Value Units Method Reference Comment
Deltar1370. ± 8.4kJ/molIMREKoppel, Pihl, et al., 1994gas phase; Possibly dissociative protonation -> CF2S + HF + A-. See CF3O-. G2: 321.0, Burk, Koppel, et al., 2000

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.

Dininny and Pace, 1960
Dininny, R.E.; Pace, E.L., Thermodynamic properties of trifluoromethanethiol from 12°K to its boiling point. Entropy from molecular and spectroscopic data, J. Chem. Phys., 1960, 32, 805-809. [all data]

Koppel, Pihl, et al., 1994
Koppel, I.A.; Pihl, V.; Koppel, I.A.; Anvia, F.; Taft, R.W., Thermodynamic acidity of (CF3)3CH and 1H-undecafluorobicyclo[2.2.1]heptane: The concept of anionic (fluorine) hyperconjugation, J. Am. Chem. Soc., 1994, 116, 19, 8654, https://doi.org/10.1021/ja00098a027 . [all data]

Burk, Koppel, et al., 2000
Burk, P.; Koppel, I.A.; Rummel, A.; Trummal, A., Can O-H acid be more acidic than its S-H analog? A G2 study of fluoromethanols and fluoromethanethiols, J. Phys. Chem. A, 2000, 104, 7, 1602-1607, https://doi.org/10.1021/jp993487a . [all data]


Notes

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