- Formula: C7H14
- Molecular weight: 98.1861
- IUPAC Standard InChI:
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- IUPAC Standard InChIKey: QWHNJUXXYKPLQM-UHFFFAOYSA-N
- CAS Registry Number: 1638-26-2
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
- Other names: Gem-Dimethylcyclopentane; 1,1-Dimethylcyclopentane
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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
|fH°liquid||-172.1 ± 1.1||kJ/mol||Cm||Johnson, Prosen, et al., 1949||ALS|
|cH°liquid||-4583.3 ± 1.0||kJ/mol||Cm||Johnson, Prosen, et al., 1949||Corresponding «DELTA»fHºliquid = -172.0 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS|
|S°liquid||265.01||J/mol*K||N/A||Gross, Oliver, et al., 1953||DH|
Constant pressure heat capacity of liquid
|Cp,liquid (J/mol*K)||Temperature (K)||Reference||Comment|
|187.36||299.81||Gross, Oliver, et al., 1953||T = 13 to 300 K. Unsmoothed experimental datum.; DH|
Go To: Top, Condensed phase thermochemistry data, Notes
Johnson, Prosen, et al., 1949
Johnson, W.H.; Prosen, E.J.; Rossini, F.D., Heats of combustion and isomerization of the six C7H14 alkylcyclopentanes, J. Res. NBS, 1949, 42, 251-255. [all data]
Gross, Oliver, et al., 1953
Gross, M.E.; Oliver, G.D.; Huffman, H.M., Low-temperature thermal data for some C7H14 alkylcyclopentanes, J. Am. Chem. Soc., 1953, 75, 2801-2804. [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 fH°liquid Enthalpy of formation of liquid at standard conditions
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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