Hexane, 3,3,4,4-tetraethyl-
- Formula: C14H30
- Molecular weight: 198.3880
- IUPAC Standard InChI: InChI=1S/C14H30/c1-7-13(8-2,9-3)14(10-4,11-5)12-6/h7-12H2,1-6H3
- IUPAC Standard InChIKey: PGZWQYVRUOIRTH-UHFFFAOYSA-N
- CAS Registry Number: 5171-86-8
- Chemical structure:
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Gas 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -265.5 ± 2.6 | kJ/mol | Ccb | Verevkin, Nolke, et al., 1997 |
Phase change data
Go To: Top, Gas 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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔvapH° | 63.9 ± 1.2 | kJ/mol | V | Verevkin, Nolke, et al., 1997 | ALS |
| ΔvapH° | 63.9 ± 1.2 | kJ/mol | GS | Verevkin, Nolke, et al., 1997 | Based on data from 298. to 307. K.; AC |
| ΔvapH° | 65.0 ± 1.2 | kJ/mol | N/A | Beckhaus and Rüchardt, 1973 | AC |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 54.5 | 366. | A,MG | Stephenson and Malanowski, 1987 | Based on data from 313. to 366. K. See also Schiessler and Whitmore, 1955.; AC |
| 65.7 ± 1.2 | 292. | GS | Beckhaus and Rüchardt, 1973 | Based on data from 283. to 302. K. See also Chickos, Hesse, et al., 1995.; AC |
References
Go To: Top, Gas 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.
Verevkin, Nolke, et al., 1997
Verevkin, S.P.; Nolke, M.; Beckhaus, H.D.; Ruchardt, C.,
Enthalpies of formation of hexaethylethane, octamethylhexane, and tri-tert-butylmethane. Extremely strained hydrocarbons,
J. Org. Chem., 1997, 62, 4683-4686. [all data]
Beckhaus and Rüchardt, 1973
Beckhaus, Hans-Dieter; Rüchardt, Christoph,
Darstellung und thermolyse von hexaäthyläthan,
Tetrahedron Letters, 1973, 14, 22, 1971-1974, https://doi.org/10.1016/S0040-4039(01)96096-4
. [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]
Schiessler and Whitmore, 1955
Schiessler, R.W.; Whitmore, F.C.,
Properties of High Molecular Weight Hydrocarbons,
Ind. Eng. Chem., 1955, 47, 8, 1660-1665, https://doi.org/10.1021/ie50548a054
. [all data]
Chickos, Hesse, et al., 1995
Chickos, James S.; Hesse, Donald G.; Hosseini, Sarah; Liebman, Joel F.; David Mendenhall, G.; Verevkin, Sergej P.; Rakus, Klaus; Beckhaus, Hans-Dieter; Rüchardt, Christoph,
Enthalpies of vaporization of some highly branched hydrocarbons,
The Journal of Chemical Thermodynamics, 1995, 27, 6, 693-705, https://doi.org/10.1006/jcht.1995.0071
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas 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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