1-Pentanethiol
- Formula: C5H12S
- Molecular weight: 104.214
- IUPAC Standard InChIKey: ZRKMQKLGEQPLNS-UHFFFAOYSA-N
- CAS Registry Number: 110-66-7
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: n-Amyl mercaptan; n-Pentyl mercaptan; Amyl hydrosulfide; Amyl mercaptan; Amyl sulfhydrate; Amyl thioalcohol; Pentane-1-thiol; Pentanethiol; Pentyl mercaptan; 1-Mercaptopentane; CH3(CH2)4SH; Mercaptan amylique; Pentalarm; 1-Pentanthiol; 1-Pentylthiol
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Gas phase thermochemistry data
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), UV/Visible spectrum, References, Notes
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 |
---|---|---|---|---|---|
ΔfH°gas | -109.7 | kJ/mol | N/A | Sunner, 1963 | Value 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 |
ΔfH°gas | -110.8 ± 1.8 | kJ/mol | Ccr | Hubbard, Katz, et al., 1954 | Heat of combustion calculated author's U=-985.05; ALS |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, Mass spectrum (electron ionization), UV/Visible spectrum, References, Notes
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- + =
By formula: C5H11S- + H+ = C5H12S
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1475. ± 10. | kJ/mol | D-EA | Janousek, Reed, et al., 1980 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1449. ± 10. | kJ/mol | H-TS | Janousek, Reed, et al., 1980 | gas phase |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, UV/Visible spectrum, References, Notes
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
Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.
Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
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 |
UV/Visible spectrum
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), References, Notes
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
Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.
Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
View spectrum image in SVG format.
Download spectrum in JCAMP-DX format.
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
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), UV/Visible spectrum, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.