- Formula: C9H20
- Molecular weight: 128.2551
- IUPAC Standard InChI:
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- IUPAC Standard InChIKey: QUKOJKFJIHSBKV-UHFFFAOYSA-N
- CAS Registry Number: 7154-79-2
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
- Other names: 2,2,3,3-Tetramethylpentane
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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
|cH°liquid||-6121.6 ± 1.5||kJ/mol||Ccb||Johnson, Prosen, et al., 1947||Corresponding «DELTA»fHºliquid = -278.3 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS|
|S°liquid||334.8||J/mol*K||N/A||Finke, Messerly, et al., 1976||DH|
Constant pressure heat capacity of liquid
|Cp,liquid (J/mol*K)||Temperature (K)||Reference||Comment|
|271.5||298.15||Finke, Messerly, et al., 1976||T = 10 to 400 K.; DH|
Go To: Top, Condensed phase thermochemistry data, Notes
Johnson, Prosen, et al., 1947
Johnson, W.H.; Prosen, E.J.; Rossini, F.D., Heats of combustion and isomerization of six nonanes, J. Res. NBS, 1947, 38, 419-422. [all data]
Finke, Messerly, et al., 1976
Finke, H.L.; Messerly, J.F.; Douslin, D.R., Low-temperature thermal quantities for five alkyl-substituted pentanes, J. Chem. Thermodynam., 1976, 8, 965-983. [all data]
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions cH°liquid Enthalpy of combustion of liquid at standard conditions
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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