1,3-Pentadiene, (E)-
- Formula: C5H8
- Molecular weight: 68.1170
- IUPAC Standard InChIKey: PMJHHCWVYXUKFD-SNAWJCMRSA-N
- CAS Registry Number: 2004-70-8
- 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)-1,3-Pentadiene; trans-Piperylene; trans-1-Methylbutadiene; trans-1,3-Pentadiene; (E)-CH2=CHCH=CHCH3; 1,trans-3-Pentadiene; Pentadiene-1,3,trans; trans-penta-1,3-diene
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Reaction thermochemistry data
Go To: Top, Gas phase ion energetics data, Gas Chromatography, 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:
B - John E. Bartmess
ALS - 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
C5H7- + =
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1545. ± 5.0 | kJ/mol | D-EA | Zimmerman, Gygax, et al., 1978 | gas phase; Acid: 1,4-pentadiene. (Z)-1,3-pentadiene is 7.0 kcal/mol more stable(weaker acid); B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1525. ± 7.9 | kJ/mol | H-TS | Zimmerman, Gygax, et al., 1978 | gas phase; Acid: 1,4-pentadiene. (Z)-1,3-pentadiene is 7.0 kcal/mol more stable(weaker acid); B |
By formula: C5H8 = C5H8
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -4.23 ± 0.75 | kJ/mol | Eqk | Egger and Benson, 1965 | gas phase; Heat of isomerization; ALS |
By formula: Cl- + C5H8 = (Cl- • C5H8)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 15.5 | kJ/mol | TDEq | French, Ikuta, et al., 1982 | gas phase; B |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry data, Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias
Data compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C5H8+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 8.59 ± 0.02 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 834.1 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 804.4 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.59 ± 0.02 | PE | Masclet, Mouvier, et al., 1981 | LLK |
8.61 ± 0.02 | PE | Bieri, Burger, et al., 1977 | LLK |
8.60 | EI | Lossing and Traeger, 1975 | LLK |
8.61 | PE | Beez, Bieri, et al., 1973 | LLK |
8.56 | PE | Dewar and Worley, 1968 | RDSH |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C3H2+ | 20.9 ± 0.1 | ? | EI | Franklin and Mogenis, 1967 | RDSH |
C3H3+ | 15.16 ± 0.02 | ? | EI | Franklin and Mogenis, 1967 | RDSH |
C3H4+ | 12.63 ± 0.02 | C2H4 | EI | Franklin and Mogenis, 1967 | RDSH |
C3H5+ | 14.20 ± 0.02 | ? | EI | Franklin and Mogenis, 1967 | RDSH |
C3H6+ | 12.73 ± 0.03 | C2H2 | EI | Franklin and Mogenis, 1967 | RDSH |
C4H3+ | 16.36 ± 0.08 | CH3+H2 | EI | Franklin and Mogenis, 1967 | RDSH |
C4H4+ | 21.12 ± 0.08 | ? | EI | Franklin and Mogenis, 1967 | RDSH |
C4H5+ | 12.57 ± 0.05 | CH3 | EI | Franklin and Mogenis, 1967 | RDSH |
C4H6+ | 13.1 ± 0.1 | ? | EI | Franklin and Mogenis, 1967 | RDSH |
C5H5+ | 13.90 ± 0.05 | H2+H | EI | Franklin and Mogenis, 1967 | RDSH |
C5H6+ | 12.34 ± 0.06 | H2 | EI | Franklin and Mogenis, 1967 | RDSH |
C5H7+ | 8.60 | H | EI | Lossing and Traeger, 1975, 2 | LLK |
C5H7+ | 10.52 | H | EI | Lossing and Traeger, 1975 | LLK |
C5H7+ | 10.93 ± 0.02 | H | EI | Franklin and Mogenis, 1967 | RDSH |
De-protonation reactions
C5H7- + =
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1545. ± 5.0 | kJ/mol | D-EA | Zimmerman, Gygax, et al., 1978 | gas phase; Acid: 1,4-pentadiene. (Z)-1,3-pentadiene is 7.0 kcal/mol more stable(weaker acid); B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1525. ± 7.9 | kJ/mol | H-TS | Zimmerman, Gygax, et al., 1978 | gas phase; Acid: 1,4-pentadiene. (Z)-1,3-pentadiene is 7.0 kcal/mol more stable(weaker acid); B |
Gas Chromatography
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | OV-1 | 27. | 515. | Heberger, 1990 | 25. m/0.25 mm/0.50 μm, He |
Capillary | OV-1 | 30. | 526. | Heberger, 1990 | 25. m/0.25 mm/0.50 μm, He |
Capillary | OV-1 | 40. | 506. | Heberger, 1990 | 25. m/0.25 mm/0.50 μm, He |
Capillary | OV-1 | 75. | 522. | Heberger, 1990 | 25. m/0.25 mm/0.50 μm, He |
Packed | Squalane | 70. | 516. | Safina, Poznyak, et al., 1989 | He, Risorb (0.2-0.3 mm); Column length: 2. m |
Capillary | Squalane | 50. | 515.8 | Papazova, Milina, et al., 1988 | Column length: 50. m; Column diameter: 0.25 mm |
Capillary | Squalane | 50. | 515.700 | Bajus, Veselý, et al., 1979 | Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 70. | 516.5 | Bajus, Veselý, et al., 1979 | Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 50. | 515.700 | Bajus, Veselý, et al., 1979, 2 | Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 70. | 516.2 | Bajus, Veselý, et al., 1979, 2 | Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 50. | 526. | Rijks and Cramers, 1974 | N2; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 70. | 516. | Rijks and Cramers, 1974 | N2; Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 27. | 513.75 | Schomburg and Dielmann, 1973 | Column length: 100. m; Column diameter: 0.25 mm |
Packed | Squalane | 27. | 515. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 49. | 516. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 67. | 518. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 86. | 519. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 26. | 518. | Zulaïca and Guiochon, 1966 | Column length: 10. m |
Kovats' RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Petrocol DH-100 | 528. | Haagen-Smit Laboratory, 1997 | He; Column length: 100. m; Column diameter: 0.2 mm; Program: 5C(10min) => 5C/min => 50C(48min) => 1.5C/min => 195C(91min) |
Capillary | DB-1 | 526. | Hoekman, 1993 | 60. m/0.32 mm/1.0 μm, He; Program: -40 C for 12 min; -40 - 125 C at 3 deg.min; 125-185 C at 6 deg/min; 185 - 220 C at 20 deg/min; hold 220 C for 2 min |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 524. | Kaiser and Siegl, 1994 | 60. m/0.32 mm/1. μm, -50. C @ 4. min, 6. K/min; Tend: 180. C |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Squalane | 70. | 515. | Schomburg, 1966 |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polydimethyl siloxane: CP-Sil 5 CB | 521. | Bramston-Cook, 2013 | 60. m/0.25 mm/1.0 μm, Helium, 45. C @ 1.45 min, 3.6 K/min, 210. C @ 2.72 min |
Capillary | Petrocol DH | 523. | Supelco, 2012 | 100. m/0.25 mm/0.50 μm, Helium, 20. C @ 15. min, 15. K/min, 220. C @ 30. min |
Capillary | HP-1 | 519. | Berlioz, Cordella, et al., 2006 | 50. m/0.2 mm/0.33 μm, N2, 2. K/min, 250. C @ 20. min; Tstart: 60. C |
Capillary | OV-101 | 521. | Chupalov and Zenkevich, 1996 | N2, 3. K/min; Column length: 52. m; Column diameter: 0.26 mm; Tstart: 50. C; Tend: 220. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | PONA | 528. | Perkin Elmer Instruments, 2002 | Column length: 100. m; Phase thickness: 0.50 μm; Program: not specified |
References
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Zimmerman, Gygax, et al., 1978
Zimmerman, A.H.; Gygax, R.; Brauman, J.I.,
Electron photodetachment spectroscopy of polyene anions. Electron affinities of pentadienyl and heptatrienyl radicals,
J. Am. Chem. Soc., 1978, 100, 5595. [all data]
Egger and Benson, 1965
Egger, K.W.; Benson, S.W.,
Nitric oxide and iodine catalyzed isomerization of olefins. IV. Thermodynamic data from equilibrium studies of the geometrical isomerization of 1,3-pentadiene,
J. Am. Chem. Soc., 1965, 87, 3311-3314. [all data]
French, Ikuta, et al., 1982
French, M.A.; Ikuta, S.; Kebarle, P.,
Hydrogen bonding of O-H and C-H hydrogen donors to Cl-. Results from mass spectrometric measurement of the ion-molecule equilibria RH + Cl- = RHCl-,
Can. J. Chem., 1982, 60, 1907. [all data]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [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]
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]
Lossing and Traeger, 1975
Lossing, F.P.; Traeger, J.C.,
Stabilization in cyclopentadienyl, cyclopentenyl, and cyclopentyl cations,
J. Am. Chem. Soc., 1975, 97, 1579. [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]
Dewar and Worley, 1968
Dewar, M.J.S.; Worley, S.D.,
Ionization potential of cis-1,3-butadiene,
J. Chem. Phys., 1968, 49, 2454. [all data]
Franklin and Mogenis, 1967
Franklin, J.L.; Mogenis, A.,
An electron impact study of ions from several dienes,
J. Phys. Chem., 1967, 71, 2820. [all data]
Lossing and Traeger, 1975, 2
Lossing, F.P.; Traeger, J.C.,
Free radicals by mass spectrometry XLVI. Heats of formation of C5H7 and C5H9 radicals and cations.,
J. Am. Chem. Soc., 1975, 19, 9. [all data]
Heberger, 1990
Heberger, K.,
Identification of C5H8 Isomers Through Reactions of Singlet Methylene, CH2(ã1A1), with Unsaturated Hydrocarbons Using Capillary Gas Chromatography - Mass Spectrometry,
Analyst, 1990, 115, 6, 725-729, https://doi.org/10.1039/an9901500725
. [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]
Papazova, Milina, et al., 1988
Papazova, D.; Milina, R.; Dimov, N.,
Comparative evaluation of retention of hydrocarbons present in the C5-petroleum fraction of methylsilicone and squalane phases,
Chromatographia, 1988, 25, 3, 177-180, https://doi.org/10.1007/BF02316441
. [all data]
Bajus, Veselý, et al., 1979
Bajus, M.; Veselý, V.; Leclercq, P.A.; Rijks, J.A.,
Steam cracking of hydrocarbons. 2. Pyrolysis of methylcyclohexane,
Ind. Eng. Chem. Prod. Res. Dev., 1979, 18, 2, 135-142, https://doi.org/10.1021/i360070a012
. [all data]
Bajus, Veselý, et al., 1979, 2
Bajus, M.; Veselý, V.; Leclercq, P.A.; Rijks, J.A.,
Steam cracking of hydrocarbons. 1. Pyrolysis of heptane,
Ind. Eng. Chem. Prod. Res. Dev., 1979, 18, 1, 30-37, https://doi.org/10.1021/i360069a007
. [all data]
Rijks and Cramers, 1974
Rijks, J.A.; Cramers, C.A.,
High precision capillary gas chromatography of hydrocarbons,
Chromatographia, 1974, 7, 3, 99-106, https://doi.org/10.1007/BF02269819
. [all data]
Schomburg and Dielmann, 1973
Schomburg, G.; Dielmann, G.,
Identification by means of retention parameters,
J. Chromatogr. Sci., 1973, 11, 3, 151-159, https://doi.org/10.1093/chromsci/11.3.151
. [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]
Zulaïca and Guiochon, 1966
Zulaïca, J.; Guiochon, G.,
Analyse des hauts polymères par chromatographie en phase gazeuse de leurs produits de pyrolyse. II. Application à quelques hydrocarbures macromoléculaires purs,
Bull. Soc. Chim. Fr., 1966, 4, 1351-1363. [all data]
Haagen-Smit Laboratory, 1997
Haagen-Smit Laboratory,
Procedure for the detailed hydrocarbon analysis of gasolines by single column high efficiency (capillary) column gas chromatography, SOP NO. MLD 118, Revision No. 1.1, California Environmental Protection Agency, Air Resources Board, El Monte, California, 1997, 22. [all data]
Hoekman, 1993
Hoekman, S.K.,
Improved gas chromatography procedure for speciated hydrocarbon measurements of vehicle emissions,
J. Chromatogr., 1993, 639, 2, 239-253, https://doi.org/10.1016/0021-9673(93)80260-F
. [all data]
Kaiser and Siegl, 1994
Kaiser, E.W.; Siegl, W.O.,
High resolution gas chromatographic determination of the atmospheric reactivity of engine-out hydrocarbon emissions from a spark-ignited engine,
J. Hi. Res. Chromatogr., 1994, 17, 4, 264-270, https://doi.org/10.1002/jhrc.1240170414
. [all data]
Schomburg, 1966
Schomburg, G.,
Gaschromatographische Retentionsdaten und Struktur Chemischer Verbindungen. II. Methylverzweigungen und Doppelbindungen in Offenkettigen Kohlenwasserstoffen,
J. Chromatogr., 1966, 23, 1-17, https://doi.org/10.1016/S0021-9673(01)98652-2
. [all data]
Bramston-Cook, 2013
Bramston-Cook, R.,
Kovats indices for C2-C13 hydrocarbons and selected oxygenated/halocarbons with 100 % dimethylpolysiloxane columns, 2013, retrieved from http://lotusinstruments.com/monographs/List .... [all data]
Supelco, 2012
Supelco, CatalogNo. 24160-U,
Petrocol DH Columns. Catalog No. 24160-U, 2012, retrieved from http://www.sigmaaldrich.com/etc/medialib/docs/Supelco/Datasheet/1/w97949.Par.0001.File.tmp/w97949.pdf. [all data]
Berlioz, Cordella, et al., 2006
Berlioz, B.; Cordella, C.; Cavalli, J.-F.; Lizzani-Cuvelier, L.; Loiseau, A.-M.; Fernandez, X.,
Comparison of the amounts of volatile compounds in French protected designation of origin virgin olive oils,
J. Agric. Food Chem., 2006, 54, 26, 10092-10101, https://doi.org/10.1021/jf061796+
. [all data]
Chupalov and Zenkevich, 1996
Chupalov, A.A.; Zenkevich, I.G.,
Chromatographic Characterization of Structural Transformations of Organic Compounds in Diels-Alder Reaction. Aliphatic Dienes and Dienophyls,
Zh. Org. Khim., 1996, 32, 6, 675-684. [all data]
Perkin Elmer Instruments, 2002
Perkin Elmer Instruments,
Detailed hydrocarbon analysis (DHAX) Model 4015, 2002, retrieved from http://www.perkinelmer.com/instruments. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy IE (evaluated) Recommended ionization energy ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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