1-Hexanethiol
- Formula: C6H14S
- Molecular weight: 118.240
- IUPAC Standard InChIKey: PMBXCGGQNSVESQ-UHFFFAOYSA-N
- CAS Registry Number: 111-31-9
- 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-Hexyl mercaptan; n-Hexylthiol; Hexan-1-thiol; Hexanethiol; Hexyl mercaptan; USAF EK-4628; 1-Hexylthiol; n-Hexanethiol; hexane-1-thiol
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -30.90 ± 0.23 | kcal/mol | Ccr | Good and DePrater, 1966 |
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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -41.99 ± 0.22 | kcal/mol | Ccr | Good and DePrater, 1966 | Reanalyzed by Cox and Pilcher, 1970, Original value = -41.84 ± 0.22 kcal/mol; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -1144.48 ± 0.18 | kcal/mol | Ccr | Good and DePrater, 1966 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 82.029 | cal/mol*K | N/A | Finke, McCullough, et al., 1970 | DH |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
55.141 | 298.15 | Finke, McCullough, et al., 1970 | T = 10 to 370 K.; DH |
55.134 | 298.15 | Good and DePrater, 1966 | DH |
Phase change 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 424.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 425.75 | K | N/A | Morris, Lanum, et al., 1960 | Uncertainty assigned by TRC = 0.2 K; TRC |
Tboil | 420. | K | N/A | Mann and Purdie, 1935 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 192.66 | K | N/A | Morris, Lanum, et al., 1960 | Uncertainty assigned by TRC = 0.02 K; meas. by Thermodynamics Lab., Bartlesville OK; TRC |
Tfus | 192.12 | K | N/A | Teets, 1934 | Uncertainty assigned by TRC = 0.3 K; TRC |
Tfus | 192.2 | K | N/A | Ellis and Reid, 1932 | Uncertainty assigned by TRC = 0.3 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 192.62 | K | N/A | Finke, McCullough, et al., 1970, 2 | Uncertainty assigned by TRC = 0.02 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 11.1 | kcal/mol | N/A | Good and DePrater, 1966 | DRB |
ΔvapH° | 10.7 ± 0.05 | kcal/mol | N/A | Good and DePrater, 1966 | See also Osborn and Douslin, 1966.; AC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
10.5 | 335. | N/A | Dykyj, Svoboda, et al., 1999 | Based on data from 320. to 454. K.; AC |
10.1 | 367. | A,EB | Stephenson and Malanowski, 1987 | Based on data from 352. to 468. K. See also Osborn and Douslin, 1966.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference |
---|---|---|---|---|
353.84 to 467.64 | 4.06583 | 1454.004 | -68.196 | Osborn and Douslin, 1966 |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
4.3050 | 192.62 | Finke, McCullough, et al., 1970 | DH |
4.309 | 192.6 | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
22.35 | 192.62 | Finke, McCullough, et al., 1970 | DH |
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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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
=
By formula: C6H14S = C6H14S
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -4.305 ± 0.008 | kcal/mol | Cm | Finke, McCullough, et al., 1970 | liquid phase; Heat of solidification |
IR 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Phase Spectrum
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Additional Data
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Owner | NIST Standard Reference Data Program Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Sadtler Research Labs Under US-EPA Contract |
State | gas |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR 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
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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 | 20430 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Good and DePrater, 1966
Good, W.D.; DePrater, B.L.,
The enthalpies of combustion and formation of the 1-alkanethiols. The methylene increment to the enthalpy of formation,
J. Phys. Chem., 1966, 70, 3606-3609. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Finke, McCullough, et al., 1970
Finke, H.L.; McCullough, J.P.; Messerly, J.F.; Gutherie, G.B.; Douslin, D.R.,
Chemical thermodynamic properties for 1-alkanethiols,
J. Chem. Thermodyn., 1970, 2, 27-41. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Morris, Lanum, et al., 1960
Morris, J.C.; Lanum, W.J.; Helm, R.V.; Haines, W.E.; Cook, G.L.; Ball, J.S.,
Purification and Properties of Ten Organic Sulfur Compounds,
J. Chem. Eng. Data, 1960, 5, 112-6. [all data]
Mann and Purdie, 1935
Mann, F.G.; Purdie, D.,
The Constitution of Complex Metallic Salts III. The Parachors of Palladium and Mercury in Simple and Complex Compounds,
J. Chem. Soc., 1935, 1935, 1549. [all data]
Teets, 1934
Teets, D.E.,
The Relation of the Melting Point to the Number of Carbon Atoms in a Series of Normal Mercaptans,
J. Am. Chem. Soc., 1934, 56, 1143. [all data]
Ellis and Reid, 1932
Ellis, L.M.; Reid, E.E.,
The Preparation and Properties of A Double Series of Aliphatic Mercaptans,
J. Am. Chem. Soc., 1932, 54, 1674. [all data]
Finke, McCullough, et al., 1970, 2
Finke, H.L.; McCullough, J.P.; Messerly, J.F.; Guthrie, G.B.; Douslin, D.R.,
Chemical thermodynamic properties for 1-alkanethiols,
J. Chem. Thermodyn., 1970, 2, 27. [all data]
Osborn and Douslin, 1966
Osborn, A.G.; Douslin, D.R.,
Vapor Pressure Relations of 36 Sulfur Compounds Present in Petroleum.,
J. Chem. Eng. Data, 1966, 11, 4, 502-509, https://doi.org/10.1021/je60031a014
. [all data]
Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R.,
Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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