Cyclohexanethiol
- Formula: C6H12S
- Molecular weight: 116.224
- IUPAC Standard InChIKey: CMKBCTPCXZNQKX-UHFFFAOYSA-N
- CAS Registry Number: 1569-69-3
- 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: Cyclohexyl mercaptan; Cyclohexyl thiol; Cyklohexylmerkaptan; Cyklohexanthiol
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Phase change data
Go To: Top, 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 432.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 432. | K | N/A | Majer and Svoboda, 1985 | |
Tboil | 431.95 | K | N/A | Lanum and Morris, 1969 | Uncertainty assigned by TRC = 0.2 K; TRC |
Tboil | 427. | K | N/A | Jones and Reid, 1938 | Uncertainty assigned by TRC = 4. K; TRC |
Tboil | 428. | K | N/A | Sabatier and Mailhe, 1910 | Uncertainty assigned by TRC = 3. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 189.6300 | K | N/A | Messerly, Todd, et al., 1967 | Uncertainty assigned by TRC = 0.005 K; extrapolation of T vs 1/F plot, meas. in adiab. calorimeter; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 664. | K | N/A | Majer and Svoboda, 1985 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 44.57 | kJ/mol | N/A | Majer and Svoboda, 1985 | |
ΔvapH° | 44.9 | kJ/mol | C | Hossenlopp and Scott, 1981 | AC |
ΔvapH° | 44.6 ± 0.2 | kJ/mol | V | Good, 1972 | ALS |
ΔvapH° | 44.7 | kJ/mol | N/A | Good, 1972 | DRB |
ΔvapH° | 44.6 ± 0.1 | kJ/mol | N/A | Good, 1972 | See also Osborn and Douslin, 1966.; AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
37.06 | 432. | N/A | Majer and Svoboda, 1985 | |
41.2 | 370. | A,EB | Stephenson and Malanowski, 1987 | Based on data from 355. to 476. K. See also Osborn and Douslin, 1966 and Dykyj, Svoboda, et al., 1999.; AC |
Enthalpy of vaporization
ΔvapH =
A exp(-βTr) (1 − Tr)β
ΔvapH =
Enthalpy of vaporization (at saturation pressure)
(kJ/mol)
Tr = reduced temperature (T / Tc)
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Temperature (K) | A (kJ/mol) | β | Tc (K) | Reference | Comment |
---|---|---|---|---|---|
384. to 421. | 59.79 | 0.2811 | 664. | Majer and Svoboda, 1985 |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference |
---|---|---|---|---|
356.89 to 475.79 | 4.01199 | 1476.958 | -63.293 | Osborn and Douslin, 1966 |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
10.000 | 189.64 | Messerly and Todd, 1967 | DH |
10.0 | 189.6 | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
52.73 | 189.64 | Messerly and Todd, 1967 | DH |
IR Spectrum
Go To: Top, Phase change 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Phase Spectrum
Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.
Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
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, Phase change 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 | 1964 |
References
Go To: Top, Phase change 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.
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]
Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,
Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]
Lanum and Morris, 1969
Lanum, W.J.; Morris, J.C.,
Physical Properties of Some Sulfur and Nitrogen Compounds,
J. Chem. Eng. Data, 1969, 14, 93-8. [all data]
Jones and Reid, 1938
Jones, S.O.; Reid, E.E.,
The Addition of Sulfurl, Hydrogen Sulfide and Mercaptans to Unsaturated Hydrocarbons,
J. Am. Chem. Soc., 1938, 60, 2452. [all data]
Sabatier and Mailhe, 1910
Sabatier, P.; Mailhe, A.,
General Methods for Direct Preparation of Thiols by Catalysic Splitting of Alcohols,
C. R. Hebd. Seances Acad. Sci., 1910, 150, 1217. [all data]
Messerly, Todd, et al., 1967
Messerly, J.F.; Todd, S.S.; Guthrie, G.B.,
Low Temperature Thermal Properties of Cyclohexanethiol and 2,4-Dimethyl-3-thiapentane,
J. Chem. Eng. Data, 1967, 12, 426-9. [all data]
Hossenlopp and Scott, 1981
Hossenlopp, I.A.; Scott, D.W.,
Vapor heat capacities and enthalpies of vaporizaiton of six organic compounds,
J. Chem. Thermodyn., 1981, 13, 405-414. [all data]
Good, 1972
Good, W.D.,
Enthalpies of combustion of 18 organic sulfur compounds related to petroleum,
J. Chem. Eng. Data, 1972, 17, 158-162. [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]
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]
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]
Messerly and Todd, 1967
Messerly, J.F.; Todd, S.S.,
and Guthrie, G.B.Jr, Low-temperature thermal properties of cyclohexanethiol and 2,4-dimethyl-3-thiapentane,
J. Chem. Eng. Data, 1967, 12, 426-429. [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, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
Tboil Boiling point Tc Critical temperature Ttriple Triple point temperature ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion 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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