2,4-Hexadiene, (E,Z)-
- Formula: C6H10
- Molecular weight: 82.1436
- IUPAC Standard InChIKey: APPOKADJQUIAHP-CIIODKQPSA-N
- CAS Registry Number: 5194-50-3
- 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: (E),(Z)-CH3CH=CHCH=CHCH3; cis,trans-2,4-Hexadiene; (E,Z)-2,4-Hexadiene; (Z,E)-2,4-Hexadiene; cis,trans-hexa-2,4-diene
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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 | 11.5 ± 0.4 | kcal/mol | Chyd | Fang and Rogers, 1992 |
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: C6H10 = C6H10
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -1.10 | kcal/mol | Eqk | Buechele, Weitz, et al., 1984 | gas phase |
ΔrH° | -0.841 | kcal/mol | Eqk | Petrova-Kuminskaya, Roganov, et al., 1984 | gas phase; At 458 K, see Petrova-Kuminskaya, Baranov, et al., 1983 |
By formula: 2H2 + C6H10 = C6H14
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -51.4 ± 0.4 | kcal/mol | Chyd | Fang and Rogers, 1992 | liquid phase; solvent: Cyclohexane |
By formula: C6H10 = C6H10
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -0.939 | kcal/mol | Eqk | Petrova-Kuminskaya, Roganov, et al., 1984 | gas phase; At 458 K, see Petrova-Kuminskaya, Baranov, et al., 1983 |
By formula: C6H10 = C6H10
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -3.48 | kcal/mol | Eqk | Buechele, Weitz, et al., 1984 | gas phase |
By formula: C6H10 = C6H10
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.26 | kcal/mol | Eqk | Buechele, Weitz, et al., 1984 | gas phase |
By formula: C6H10 = C6H10
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 0.84 | kcal/mol | Eqk | Buechele, Weitz, et al., 1984 | gas phase |
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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
View reactions leading to C6H10+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.24 ± 0.05 | EI | Wolkoff, Holmes, et al., 1980 | LLK |
8.26 | PE | Rucker, Lang, et al., 1980 | LLK |
8.25 ± 0.02 | PE | Bieri, Burger, et al., 1977 | LLK |
8.22 | PE | Masclet, Mouvier, et al., 1981 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C5H7+ | 10.10 ± 0.05 | CH3 | EI | Wolkoff, Holmes, et al., 1980 | LLK |
Gas Chromatography
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Squalane | 70. | 654. | Safina, Poznyak, et al., 1989 | He, Risorb (0.2-0.3 mm); Column length: 2. m |
Capillary | SE-30 | 80. | 673. | Bredael, 1982 | Column length: 100. m; Column diameter: 0.5 mm |
Packed | Squalane | 27. | 653. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 49. | 654. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 67. | 655. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 86. | 656. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 636.4 | Xu, van Stee, et al., 2003 | 30. m/0.25 mm/1. μm, He, 2.5 K/min; Tstart: 50. C; Tend: 200. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 673. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
References
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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]
Buechele, Weitz, et al., 1984
Buechele, J.L.; Weitz, E.; Lewis, F.D.,
Laser-induced infrared multiphoton isomerization reactions of 2,4- and 1,3-hexadienes,
J. Phys. Chem., 1984, 88, 868-876. [all data]
Petrova-Kuminskaya, Roganov, et al., 1984
Petrova-Kuminskaya, S.V.; Roganov, G.N.; Kabo, G.Ya.,
Enthalpies of formation and isomerization of alkadienes,
Probl. Kalorim. Khim. Termodin., Dokl. Vses. Konf., 10th, 1984, 1, 234-236. [all data]
Petrova-Kuminskaya, Baranov, et al., 1983
Petrova-Kuminskaya, S.V.; Baranov, O.M.; Roganov, G.N.; Kabo, G.Ya.,
Equilibrium and thermodynamics of the isomerization of hexadienes,
Neftekhimiya, 1983, 23, 489-494. [all data]
Wolkoff, Holmes, et al., 1980
Wolkoff, P.; Holmes, J.L.; Lossing, F.P.,
On the formation of cyclopentenium cations from all C6H10+ molecular ion structures,
Can. J. Chem., 1980, 58, 251. [all data]
Rucker, Lang, et al., 1980
Rucker, C.; Lang, D.; Sauer, J.; Friege, H.; Sustmann, R.,
Reaktivitat substituierter 1,3-Butadiene in Diels-Alder-Reaktionen,
Chem. Ber., 1980, 113, 1663. [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]
Masclet, Mouvier, et al., 1981
Masclet, P.; Mouvier, G.; Bocquet, J.F.,
Effets electroniques et effets steriques dus a la substitution alcoyle dans les dienes conjugues,
J. Chim. Phys., 1981, 78, 99. [all data]
Safina, Poznyak, et al., 1989
Safina, L.R.; Poznyak, T.I.; Lisitsyn, D.M.; Kiseleva, E.V.; Kovalev, G.I.,
Selective gas-chromatographic determination of trace unsaturated and aromatic-hydrocarbons in complex-mixtures,
J. Appl. Chem. USSR (Engl. Transl.), 1989, 44, 5, 749-754. [all data]
Bredael, 1982
Bredael, P.,
Retention indices of hydrocarbons on SE-30,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1982, 5, 6, 325-328, https://doi.org/10.1002/jhrc.1240050610
. [all data]
Hively and Hinton, 1968
Hively, R.A.; Hinton, R.E.,
Variation of the retention index with temperature on squalane substrates,
J. Gas Chromatogr., 1968, 6, 4, 203-217, https://doi.org/10.1093/chromsci/6.4.203
. [all data]
Xu, van Stee, et al., 2003
Xu, X.; van Stee, L.L.P.; Williams, J.; Beens, J.; Adahchour, M.; Vreuls, R.J.J.; Brinkman, U.A.Th.; Lelieveld, J.,
Comprehensive two-dimensional gas chromatography (GC×GC) measurements of volatile organic compounds in the atmosphere,
Atmos. Chem. Phys., 2003, 3, 3, 665-682, https://doi.org/10.5194/acp-3-665-2003
. [all data]
Waggott and Davies, 1984
Waggott, A.; Davies, I.W.,
Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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