- Formula: C9H20
- Molecular weight: 128.2551
- IUPAC Standard InChI:
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- IUPAC Standard InChIKey: GUMULFRCHLJNDY-UHFFFAOYSA-N
- CAS Registry Number: 1070-87-7
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
- Other names: Di-tert-Butylmethane; 2,2,4,4-Tetramethylpentane
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Gas phase thermochemistry data
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Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
|fH°gas||-241.5 ± 1.5||kJ/mol||Cm||Fuchs and Peacock, 1979||ALS|
|S°gas||430.16||J/mol*K||N/A||Finke H.L., 1976||GT|
Constant pressure heat capacity of gas
|Cp,gas (J/mol*K)||Temperature (K)||Reference||Comment|
|153.72||200.||Scott D.W., 1974||Recommended values were obtained from the consistent correlation scheme for alkanes [ Scott D.W., 1974, 2, Scott D.W., 1974]. This approach gives a good agreement with experimental data available for alkanes. However, large uncertainties could be expected at high temperatures.; GT|
|214.6 ± 0.7||298.15|
Go To: Top, Gas phase thermochemistry data, Notes
Fuchs and Peacock, 1979
Fuchs, R.; Peacock, L.A., Heats of vaporization and gaseous heats of formation of some five- and six-membered ring alkenes, Can. J. Chem., 1979, 57, 2302-2304. [all data]
Finke H.L., 1976
Finke H.L., Low-temperature thermal quantities for five alkyl-substituted pentanes, J. Chem. Thermodyn., 1976, 8, 965-983. [all data]
Scott D.W., 1974
Scott D.W., Chemical Thermodynamic Properties of Hydrocarbons and Related Substances. Properties of the Alkane Hydrocarbons, C1 through C10 in the Ideal Gas State from 0 to 1500 K. U.S. Bureau of Mines, Bulletin 666, 1974. [all data]
Scott D.W., 1974, 2
Scott D.W., Correlation of the chemical thermodynamic properties of alkane hydrocarbons, J. Chem. Phys., 1974, 60, 3144-3165. [all data]
Go To: Top, Gas phase thermochemistry data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas S°gas Entropy of gas at standard conditions fH°gas Enthalpy of formation of gas at standard conditions
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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