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, Mass spectrum (electron ionization), Gas Chromatography, 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 (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
63.29 | 313. | Gudinowicz, Campbell, et al., 1963 | T = 313 to 423 K. |
Phase change data
Go To: Top, Condensed phase thermochemistry data, Mass spectrum (electron ionization), Gas Chromatography, 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
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° | 11.23 | kcal/mol | N/A | Majer and Svoboda, 1985 |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
8.846 | 444.7 | N/A | Majer and Svoboda, 1985 | |
10.3 | 370. | A | Stephenson and Malanowski, 1987 | Based on data from 355. to 446. K. See also Forziati, Norris, et al., 1949.; AC |
10.8 ± 0.02 | 328. | C | Svoboda, Charvátová, et al., 1981 | AC |
10.5 ± 0.02 | 343. | C | Svoboda, Charvátová, et al., 1981 | AC |
10.3 ± 0.02 | 358. | C | Svoboda, Charvátová, et al., 1981 | AC |
10.1 ± 0.02 | 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)
(kcal/mol)
Tr = reduced temperature (T / Tc)
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Temperature (K) | 328. to 368. |
---|---|
A (kcal/mol) | 15.73 |
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 (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference |
---|---|---|---|---|
357.18 to 445.82 | 3.97368 | 1500.118 | -67.227 | Forziati, Norris, et al., 1949, 2 |
Mass spectrum (electron ionization)
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas Chromatography, 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 |
Gas Chromatography
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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | OV-101 | 150. | 1014.1 | Cha and Lee, 1994 | Column length: 20. m; Column diameter: 0.5 mm |
Capillary | OV-101 | 180. | 1027.1 | Cha and Lee, 1994 | Column length: 20. m; Column diameter: 0.5 mm |
Packed | SE-30 | 120. | 1003. | Pascal, Heintz, et al., 1974 | Column length: 2. m |
Packed | SE-30 | 140. | 1012. | Pascal, Heintz, et al., 1974 | Column length: 2. m |
Packed | SE-30 | 160. | 1021. | Pascal, Heintz, et al., 1974 | Column length: 2. m |
Packed | Apiezon L | 130. | 1025. | Paris and Alexandre, 1972 | Chromosorb W AW |
Kovats' RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Apiezon L | 1005. | Louis, 1971 | N2, 1. K/min; Column length: 50. m; Column diameter: 0.25 mm; Tstart: 60. C |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Carbowax 20M | 120. | 1062. | Pascal, Heintz, et al., 1974 | Column length: 2. m |
Packed | Carbowax 20M | 140. | 1075. | Pascal, Heintz, et al., 1974 | Column length: 2. m |
Packed | Carbowax 20M | 160. | 1088. | Pascal, Heintz, et al., 1974 | Column length: 2. m |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | PONA | 984. | Vendeuvre, Bertoncini, et al., 2005 | 50. m/0.2 mm/0.5 μm, 2. K/min; Tstart: 50. C |
Capillary | PONA | 988. | Vendeuvre, Bertoncini, et al., 2005 | 50. m/0.2 mm/0.5 μm, 5. K/min; Tstart: 50. C |
Capillary | DB-5 | 978.1 | Lai and Song, 1995 | 30. m/0.25 mm/0.25 μm, He, 2. K/min; Tstart: 40. C; Tend: 310. C |
Capillary | DB-5 | 982.2 | Lai and Song, 1995 | 30. m/0.25 mm/0.25 μm, He, 4. K/min; Tstart: 40. C; Tend: 310. C |
Capillary | DB-5 | 985.2 | Lai and Song, 1995 | 30. m/0.25 mm/0.25 μm, He, 6. K/min; Tstart: 40. C; Tend: 310. C |
Capillary | SE-30 | 983.1 | Krupcík, Repka, et al., 1987 | 60. m/0.25 mm/1. μm, H2, 1. K/min; Tstart: 60. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Packed | SE-30 | 1014. | Robinson and Odell, 1971 | N2, Chromosorb W; Column length: 6.1 m; Program: 50C910min) => 20C/min => 90(6min) => 10C/min => 150C(hold) |
Packed | Squalane | 1000. | Robinson and Odell, 1971 | N2, Embacel; Column length: 3.0 m; Program: 25C(5min) => 2C/min => 35 => 4C/min => 95C(hold) |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, 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]
Cha and Lee, 1994
Cha, K.-W.; Lee, D.-J.,
Prediction of retention indices of various compounds in gas-liquid chromatography,
J. Korean Chem. Soc., 1994, 38, 2, 108-120, retrieved from http://journal.kcsnet.or.kr/publi/dh/dh94n2/108.pdf. [all data]
Pascal, Heintz, et al., 1974
Pascal, J.C.; Heintz, M.; Druilhe, A.; Lefort, D.,
Relations entre structure chimique et grandeurs de rétention. III. Stéréoisomères cyclohexaniques,
Chromatographia, 1974, 7, 5, 236-245, https://doi.org/10.1007/BF02321774
. [all data]
Paris and Alexandre, 1972
Paris, C.; Alexandre, P.,
Stereochemical Investigation of Cyclohexane and Terpene Compounds by Gas Chromatography,
J. Chromatogr. Sci., 1972, 10, 6, 402-411, https://doi.org/10.1093/chromsci/10.6.402
. [all data]
Louis, 1971
Louis, R.,
Kovats-index-tafeln zur gaschromatographischen analyse von kohlenwasserstoffgemischen,
Erdoel Kohle Erdgas Petrochem., 1971, 24, 2, 88-94. [all data]
Vendeuvre, Bertoncini, et al., 2005
Vendeuvre, C.; Bertoncini, F.; Thiébaut, D.; Martin, M.; Hennion, M.-C.,
Evluation of a retention model in comprehensive two-dimensional gas chromatography,
J. Sep. Sci., 2005, 28, 11, 1129-1136, https://doi.org/10.1002/jssc.200401933
. [all data]
Lai and Song, 1995
Lai, W.-C.; Song, C.,
Temperature-programmed retention indices for g.c. and g.c.-m.s. analysis of coal- and petroleum-derived liquid fuels,
Fuel, 1995, 74, 10, 1436-1451, https://doi.org/10.1016/0016-2361(95)00108-H
. [all data]
Krupcík, Repka, et al., 1987
Krupcík, J.; Repka, D.; Hevesi, T.; Garaj, J.,
Use of Kováts retention indices for characterizing solutes in complex samples separated by linear temperature-programmed capillary gas-liquid chromatography,
J. Chromatogr., 1987, 406, 117-129, https://doi.org/10.1016/S0021-9673(00)94022-6
. [all data]
Robinson and Odell, 1971
Robinson, P.G.; Odell, A.L.,
A system of standard retention indices and its uses. The characterisation of stationary phases and the prediction of retention indices,
J. Chromatogr., 1971, 57, 1-10, https://doi.org/10.1016/0021-9673(71)80001-8
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, 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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