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Propyl mercaptan

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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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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Individual Reactions

C3H9Sn+ + Propyl mercaptan = (C3H9Sn+ bullet Propyl mercaptan)

By formula: C3H9Sn+ + C3H8S = (C3H9Sn+ bullet C3H8S)

Quantity Value Units Method Reference Comment
Deltar143.kJ/molPHPMSStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar135.J/mol*KN/AStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
72.4525.PHPMSStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M

C3H7S- + Hydrogen cation = Propyl mercaptan

By formula: C3H7S- + H+ = C3H8S

Quantity Value Units Method Reference Comment
Deltar1482. ± 9.2kJ/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Deltar1456. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B

2Propyl mercaptan + Iodine = 2Hydrogen iodide + Disulfide, dipropyl

By formula: 2C3H8S + I2 = 2HI + C6H14S2

Quantity Value Units Method Reference Comment
Deltar-124.9kJ/molCmSunner, 1955liquid phase; solvent: Ethanol/water(90/10); ALS

Ethanethioic acid, S-propyl ester + Water = Propyl mercaptan + Acetic acid

By formula: C5H10OS + H2O = C3H8S + C2H4O2

Quantity Value Units Method Reference Comment
Deltar-3.9 ± 0.3kJ/molCmWadso, 1957liquid phase; Heat of hydrolysis; ALS

References

Go To: Top, Reaction thermochemistry data, Notes

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

Stone and Splinter, 1984
Stone, J.A.; Splinter, D.E., A high-pressure mass spectrometric study of the binding of (CH3)3Sn+ to lewis bases in the gas phase, Int. J. Mass Spectrom. Ion Processes, 1984, 59, 169. [all data]

Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [all data]

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

Wadso, 1957
Wadso, I., The heats of hydrolysis of some alkyl thiolesters, Acta Chem. Scand., 1957, 11, 1745-1751. [all data]


Notes

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