cyclopentanecarbonitrile
- Formula: C6H9N
- Molecular weight: 95.1424
- IUPAC Standard InChIKey: SVPZJHKVRMRREG-UHFFFAOYSA-N
- CAS Registry Number: 4254-02-8
- Chemical structure:
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 11.7 ± 0.67 | kcal/mol | Cm | Fuchs and Hallman, 1983 | |
ΔfH°gas | 9.98 | kcal/mol | Ccr | Hall and Baldt, 1971 | |
ΔfH°gas | 10.50 | kcal/mol | Ccb | Prochazka, Krestanova, et al., 1970 |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Phase change data, 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | 0.16 | kcal/mol | Ccr | Hall and Baldt, 1971 | ALS |
ΔfH°liquid | 0.12 | kcal/mol | Ccb | Prochazka, Krestanova, et al., 1970 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -871.90 | kcal/mol | Ccr | Hall and Baldt, 1971 | ALS |
ΔcH°liquid | -871.86 | kcal/mol | Ccb | Prochazka, Krestanova, et al., 1970 | ALS |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
40.03 | 297. | Hall and Baldt, 1971 | DH |
Phase change data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔvapH° | 11. ± 1. | kcal/mol | AVG | N/A | Average of 9 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
9.78 | 359. | BG | Baldt and Hall, 1971 | Based on data from 340. to 418. K.; AC |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Fuchs and Hallman, 1983
Fuchs, R.; Hallman, J.H.,
Heats of vaporization of some monosubstituted cyclopropane, cyclobutane, and cyclopentane derivatives. Some observations on the enthalpies of isodesmic ring opening reactions of cyclobutane derivatives,
Can. J. Chem., 1983, 61, 503-505. [all data]
Hall and Baldt, 1971
Hall, H.K., Jr.; Baldt, J.H.,
Thermochemistry of strained-ring bridgehead nitriles and esters,
J. Am. Chem. Soc., 1971, 93, 140-145. [all data]
Prochazka, Krestanova, et al., 1970
Prochazka, M.; Krestanova, V.; Konicek, J.; Smisek, M.,
Thermochemistry of nitriles. II. Alicyclic nitriles,
Collect. Czech. Chem. Commun., 1970, 35, 727-732. [all data]
Baldt and Hall, 1971
Baldt, J.H.; Hall, H.K.K., Jr.,
Thermochemistry of strained-ring bridgehead nitriles and esters,
J. Am. Chem. Soc., 1971, 93, 140-145. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions 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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