Pentane, 2,2-difluoro
- Formula: C5H10F2
- Molecular weight: 108.1297
- IUPAC Standard InChI: InChI=1S/C5H10F2/c1-3-4-5(2,6)7/h3-4H2,1-2H3
- IUPAC Standard InChIKey: QSWGSLWFQDIXSH-UHFFFAOYSA-N
- CAS Registry Number: 371-65-3
- Chemical structure:
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Phase change 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:
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 | 333.0 | K | N/A | Henne, Renoll, et al., 1939 | Uncertainty assigned by TRC = 1. K; TRC |
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 8.05 | 277. | A | Stephenson and Malanowski, 1987 | Based on data from 262. - 367. K. See also Dykyj, 1972.; AC |
Reaction 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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Individual Reactions
2 +
=
By formula: 2H2 + C5H6F2 = C5H10F2
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -79.7 ± 0.2 | kcal/mol | Chyd | Roth, Kirmse, et al., 1982 | liquid phase; solvent: Isooctane |
References
Go To: Top, Phase change data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Henne, Renoll, et al., 1939
Henne, A.L.; Renoll, M.W.; Leicester, H.M.,
J. Am. Chem. Soc., 1939, 61, 938. [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]
Dykyj, 1972
Dykyj, J.,
Petrochemia, 1972, 12, 1, 13. [all data]
Roth, Kirmse, et al., 1982
Roth, W.R.; Kirmse, W.; Hoffmann, W.; Lennartz, H.W.,
Heats of hydrogenation. III. Effect of fluoro substituents on the thermal rearrangement of cyclopropane systems,
Chem. Ber., 1982, 115, 2508-2515. [all data]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, References
- Symbols used in this document:
Tboil Boiling point ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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