1,3,5-Hexatriene, (Z)-
- Formula: C6H8
- Molecular weight: 80.1277
- IUPAC Standard InChIKey: AFVDZBIIBXWASR-WAYWQWQTSA-N
- CAS Registry Number: 2612-46-6
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Stereoisomers:
- Other names: (Z)-1,3,5-Hexatriene; cis-Hexatriene; cis-1,3,5-Hexatriene; 1,3,5-Hexatriene, cis-; (Z)-CH2=CHCH=CHCH=CH2
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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 41.1 ± 0.6 | kcal/mol | Chyd | Fang and Rogers, 1992 | ALS |
Constant pressure heat capacity of gas
Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
9.869 | 50. | Thermodynamics Research Center, 1997 | GT |
13.21 | 100. | ||
16.14 | 150. | ||
19.26 | 200. | ||
24.460 | 273.15 | ||
26.331 | 298.15 | ||
26.470 | 300. | ||
33.721 | 400. | ||
39.995 | 500. | ||
45.189 | 600. | ||
49.496 | 700. | ||
53.121 | 800. | ||
56.209 | 900. | ||
58.858 | 1000. | ||
61.140 | 1100. | ||
63.109 | 1200. | ||
64.816 | 1300. | ||
66.298 | 1400. | ||
67.584 | 1500. |
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:
BS - Robert L. Brown and Stephen E. Stein
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 | 351.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 356. | K | N/A | Sondheimer, Ben-Efraim, et al., 1961 | Uncertainty assigned by TRC = 3. K; TRC |
Tboil | 356. | K | N/A | Hwa, De Benneville, et al., 1960 | Uncertainty assigned by TRC = 2. K; TRC |
Tboil | 352. | K | N/A | Farmer, Laroiz, et al., 1927 | Uncertainty assigned by TRC = 10. K; TRC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
7.96 | 314. | A,MM | Stephenson and Malanowski, 1987 | Based on data from 306. to 323. K. See also Letcher and Marsicano, 1974.; 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
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: 3H2 + C6H8 = C6H14
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -81.0 ± 0.6 | kcal/mol | Chyd | Fang and Rogers, 1992 | liquid phase; solvent: Cyclohexane |
ΔrH° | -80.50 ± 0.33 | kcal/mol | Chyd | Turner, Mallon, et al., 1973 | liquid phase; solvent: Glacial acetic acid |
Gas phase ion energetics 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: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
View reactions leading to C6H8+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference |
---|---|---|
8.31 ± 0.02 | PE | Allan, Dannacher, et al., 1980 |
8.32 ± 0.02 | PE | Bieri, Burger, et al., 1977 |
8.3 ± 0.1 | S | Gavin and Rice, 1974 |
8.32 | PE | Beez, Bieri, et al., 1973 |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Fang and Rogers, 1992
Fang, W.; Rogers, D.W.,
Enthalpy of hydrogenation of the hexadienes and cis- and trans-1,3,5-hexatriene,
J. Org. Chem., 1992, 57, 2294-2297. [all data]
Thermodynamics Research Center, 1997
Thermodynamics Research Center,
Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Sondheimer, Ben-Efraim, et al., 1961
Sondheimer, F.; Ben-Efraim, D.A.; Wolovsky, R.,
Unsaturated Macrocyclic Compounds XVII. The Prototropic Rearrangement of Linear 1,5-Enynes to COnjugated Polyenes. The Synthesis of A Series of Vinylogs of Butadiene,
J. Am. Chem. Soc., 1961, 83, 1675-81. [all data]
Hwa, De Benneville, et al., 1960
Hwa, J.C.H.; De Benneville, P.L.; Sims, H.J.,
A New Preparation of 1,3,5-Hexatriene and the Separation of Its Geometrical Isomers,
J. Am. Chem. Soc., 1960, 82, 2537-40. [all data]
Farmer, Laroiz, et al., 1927
Farmer, E.H.; Laroiz, B.D.; Switz, T.M.; Thorpe, J.F.,
Properties of Conjugated Compounds Part III. The Bearing of Hexatriene Chemistry on the Reactive Forms of Conjugated Hydrocarbons,
J. Chem. Soc., 1927, 1927, 2937-58. [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]
Letcher and Marsicano, 1974
Letcher, T.M.; Marsicano, F.,
Vapour pressures and densities of some unsaturated C6 acyclic and cyclic hydrocarbons between 300 and 320 K,
The Journal of Chemical Thermodynamics, 1974, 6, 5, 509-514, https://doi.org/10.1016/0021-9614(74)90013-5
. [all data]
Turner, Mallon, et al., 1973
Turner, R.B.; Mallon, B.J.; Tichy, M.; Doering, W.v.E.; Roth, W.R.; Schroder, G.,
Heats of hydrogenation. X. Conjugative interaction in cyclic dienes and trienes,
J. Am. Chem. Soc., 1973, 95, 8605-8610. [all data]
Allan, Dannacher, et al., 1980
Allan, M.; Dannacher, J.; Maier, J.P.,
Radiative and fragmentation decay of the cations of trans- and cis 1,3,5-hexatriene of all trans-1,3,5-heptatriene in the A(π-1) states, studied by emission photoelectron-photoion coincidence spectroscopy,
J. Chem. Phys., 1980, 73, 3114. [all data]
Bieri, Burger, et al., 1977
Bieri, G.; Burger, F.; Heilbronner, E.; Maier, J.P.,
Valence ionization enrgies of hydrocarbons,
Helv. Chim. Acta, 1977, 60, 2213. [all data]
Gavin and Rice, 1974
Gavin, R.M., Jr.; Rice, S.A.,
Spectroscopic properties of polyenes. II. The vacuum ultraviolet spectra of cis- and trans-1,3,5-hexatriene,
J. Chem. Phys., 1974, 60, 3231. [all data]
Beez, Bieri, et al., 1973
Beez, M.; Bieri, G.; Bock, H.; Heilbronner, E.,
The ionization potentials of butadiene, hexatriene, andtheir methyl derivatives: evidence for through space interaction between double bond π-orbitals and non-bonded pseudo-π orbitals of methyl groups?,
Helv. Chim. Acta, 1973, 56, 1028. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas Tboil Boiling point ΔfH°gas Enthalpy of formation of gas at standard conditions 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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