Cyclohexane, (1,1-dimethylethyl)-
- Formula: C10H20
- Molecular weight: 140.2658
- IUPAC Standard InChIKey: XTVMZZBLCLWBPM-UHFFFAOYSA-N
- CAS Registry Number: 3178-22-1
- 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: Cyclohexane, tert-butyl-; tert-Butylcyclohexane; 1-tert-Butylcyclohexane; t-Butylcyclohexane; Cyclohexane, t-butyl-
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Condensed phase thermochemistry data
Go To: Top, Phase change 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: Eugene S. Domalski and Elizabeth D. Hearing
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
264.8 | 313. | Gudinowicz, Campbell, et al., 1963 | T = 313 to 423 K. |
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
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 444. ± 3. | K | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 231.95 | K | N/A | Boord, Perilstein, et al., 1944 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 659. | K | N/A | Majer and Svoboda, 1985 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 46.98 | kJ/mol | N/A | Majer and Svoboda, 1985 |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
37.01 | 444.7 | N/A | Majer and Svoboda, 1985 | |
42.9 | 370. | A | Stephenson and Malanowski, 1987 | Based on data from 355. to 446. K. See also Forziati, Norris, et al., 1949.; AC |
45.0 ± 0.1 | 328. | C | Svoboda, Charvátová, et al., 1981 | AC |
44.0 ± 0.1 | 343. | C | Svoboda, Charvátová, et al., 1981 | AC |
43.0 ± 0.1 | 358. | C | Svoboda, Charvátová, et al., 1981 | AC |
42.4 ± 0.1 | 368. | C | Svoboda, Charvátová, et al., 1981 | AC |
Enthalpy of vaporization
ΔvapH = A exp(-αTr)
(1 − Tr)β
ΔvapH =
Enthalpy of vaporization (at saturation pressure)
(kJ/mol)
Tr = reduced temperature (T / Tc)
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Temperature (K) | 328. to 368. |
---|---|
A (kJ/mol) | 65.82 |
α | 0.3201 |
β | 0.3201 |
Tc (K) | 659. |
Reference | 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 |
---|---|---|---|---|
357.18 to 445.82 | 3.97939 | 1500.118 | -67.227 | Forziati, Norris, et al., 1949, 2 |
IR Spectrum
Go To: Top, Condensed phase thermochemistry data, 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
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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, Condensed phase thermochemistry data, 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. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW-3836 |
NIST MS number | 230537 |
References
Go To: Top, Condensed phase thermochemistry data, 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.
Gudinowicz, Campbell, et al., 1963
Gudinowicz, B.J.; Campbell, R.H.; Adams, J.S.,
Specific heat measurements of complex saturated hydrocarbons,
J. Chem. Eng. Data, 1963, 8, 201-214. [all data]
Boord, Perilstein, et al., 1944
Boord, C.E.; Perilstein, W.L.; Greenlee, K.W.,
, Am. Pet. Inst. Hydrocarbon Res. Proj., Sixth Annu. Ref., Ohio State Univ., Aug. 31, 1944. [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]
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]
Forziati, Norris, et al., 1949
Forziati, Alphonse F.; Norris, William R.; Rossini, Frederick D.,
Vapor pressures and boiling points of sixty API-NBS hydrocarbons,
J. RES. NATL. BUR. STAN., 1949, 43, 6, 555-17, https://doi.org/10.6028/jres.043.050
. [all data]
Svoboda, Charvátová, et al., 1981
Svoboda, Václav; Charvátová, Vladimíra; Majer, Vladimír; Pick, Jirí,
Determination of heats of vaporization and some other thermodynamic quantities for four alkylcycloparaffins,
Collect. Czech. Chem. Commun., 1981, 46, 12, 2983-2988, https://doi.org/10.1135/cccc19812983
. [all data]
Forziati, Norris, et al., 1949, 2
Forziati, A.F.; Norris, W.R.; Rossini, F.D.,
Vapor Pressures and Boiling Points of Sixty API-NBS Hydrocarbons,
J. Res. Natl. Bur. Stand. (U.S.), 1949, 43, 6, 555-563, https://doi.org/10.6028/jres.043.050
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point 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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