1-Pentanethiol

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Gas 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 as indicated in comments:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-109.7kJ/molN/ASunner, 1963Value computed using ΔfHliquid° value of -150.9±0.8 kj/mol from Sunner, 1963 and ΔvapH° value of 41.2 kj/mol from Hubbard, Katz, et al., 1954.; DRB
Δfgas-110.8 ± 1.8kJ/molCcrHubbard, Katz, et al., 1954Heat of combustion calculated author's U=-985.05; ALS

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

C5H11S- + Hydrogen cation = 1-Pentanethiol

By formula: C5H11S- + H+ = C5H12S

Quantity Value Units Method Reference Comment
Δr1475. ± 10.kJ/molD-EAJanousek, Reed, et al., 1980gas phase
Quantity Value Units Method Reference Comment
Δr1449. ± 10.kJ/molH-TSJanousek, Reed, et al., 1980gas phase

Mass spectrum (electron ionization)

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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

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
NIST MS number 1288

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UV/Visible spectrum

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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: Victor Talrose, Eugeny B. Stern, Antonina A. Goncharova, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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UVVis spectrum
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Additional Data

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Source Haines, Helm, et al., 1954
Owner INEP CP RAS, NIST OSRD
Collection (C) 2007 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS
Source reference RAS UV No. 2871
Instrument Beckman DU
Melting point -75.7
Boiling point 126.6

References

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), UV/Visible spectrum, Notes

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

Sunner, 1963
Sunner, S., Corrected heat of combustion and formation values for a number of organic sulphur compounds, Acta Chem. Scand., 1963, 17, 728-730. [all data]

Hubbard, Katz, et al., 1954
Hubbard, W.N.; Katz, C.; Waddington, G., A rotating combustion bomb for precision calorimetry. Heats of combustion of some sulfur-containing compounds, J. Phys. Chem., 1954, 58, 142. [all data]

Janousek, Reed, et al., 1980
Janousek, B.K.; Reed, K.J.; Brauman, J.I., Electron photodetachment from mercaptyl anions (RS- electron affinities of mercaptyl radicals and the S-H bond strength in mercaptans), J. Am. Chem. Soc., 1980, 102, 3125. [all data]

Haines, Helm, et al., 1954
Haines, W.E.; Helm, R.V.; Bailey, c.W.; Ball, J.S., Purification and properties of ten organic sulfur compounds, J. Phys. Chem., 1954, 58, 270-278. [all data]


Notes

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