4-Methyl-1,3-pentadiene
- Formula: C6H10
- Molecular weight: 82.1436
- IUPAC Standard InChIKey: CJSBUWDGPXGFGA-UHFFFAOYSA-N
- CAS Registry Number: 926-56-7
- 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. - Other names: (CH3)2C=CHCH=CH2; 1,3-Pentadiene, 4-methyl-; 4-methylpenta-1,3-diene
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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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 349.7 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 347. | K | N/A | Labarre, 1963 | Uncertainty assigned by TRC = 2. K; TRC |
Tboil | 349. | K | N/A | Esafov, 1952 | Uncertainty assigned by TRC = 2. K; TRC |
Tboil | 349.45 | K | N/A | Bachman and Goebel, 1942 | Uncertainty assigned by TRC = 0.6 K; TRC |
Tboil | 350. | K | N/A | Whitby and Gallay, 1932 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 203. | K | N/A | Enklaar, 1917 | Uncertainty assigned by TRC = 15. K; TRC |
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° | 0.261 | kcal/mol | Eqk | Petrova-Kuminskaya, Roganov, et al., 1984 | gas phase; At 458 K, see Petrova-Kuminskaya, Roganov, et al., 1984, 2 |
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 |
---|---|---|---|
8.26 ± 0.05 | EI | Wolkoff, Holmes, et al., 1980 | LLK |
8.29 | PE | Rucker, Lang, et al., 1980 | LLK |
8.28 ± 0.02 | PE | Bieri, Burger, et al., 1977 | LLK |
8.25 | PE | Masclet, Mouvier, et al., 1981 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C5H7+ | 10.18 ± 0.05 | CH3 | EI | Wolkoff, Holmes, et al., 1980 | LLK |
IR Spectrum
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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
Gas Phase Spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
Additional Data
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Owner | NIST Standard Reference Data Program Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | NIST Mass Spectrometry Data Center |
State | gas |
Instrument | HP-GC/MS/IRD |
Mass spectrum (electron ionization)
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW-3322 |
NIST MS number | 227626 |
Gas Chromatography
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), 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 |
---|---|---|---|---|---|
Packed | Squalane | 70. | 629. | Safina, Poznyak, et al., 1989 | He, Risorb (0.2-0.3 mm); Column length: 2. m |
Capillary | SE-30 | 130. | 634. | Bredael, 1982 | Column length: 100. m; Column diameter: 0.5 mm |
Capillary | SE-30 | 80. | 636. | Bredael, 1982 | Column length: 100. m; Column diameter: 0.5 mm |
Capillary | Squalane | 50. | 629.6 | Bajus, Veselý, et al., 1979 | Column length: 100. m; Column diameter: 0.25 mm |
Capillary | Squalane | 70. | 628.7 | Bajus, Veselý, et al., 1979 | Column length: 100. m; Column diameter: 0.25 mm |
Packed | Squalane | 27. | 628. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 49. | 629. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 67. | 630. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | Squalane | 86. | 631. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
Packed | SE-30 | 70. | 642. | Widmer, 1967 | Diatoport S; Column length: 7.9 m |
Kovats' RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-1 | 609. | Wongpornchai, Sriseadka, et al., 2003 | 30. m/0.25 mm/0.25 μm, He; Program: 35C => 2C/min => 100C => 5C/min => 230C(2min) |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Carbowax 20M | 130. | 777. | Widmer, 1967 | Diatoport P; Column length: 7.9 m |
Packed | Carbowax 20M | 70. | 746. | Widmer, 1967 | Diatoport P; Column length: 7.9 m |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-101 | 636. | 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 | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 636. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | RTX-Wax | 796. | Galindo-Cuspinera, Lubran, et al., 2002 | 60. m/0.25 mm/0.5 μm, He, 40. C @ 5. min, 5. K/min, 180. C @ 20. min |
References
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Labarre, 1963
Labarre, J.F.,
Contribution to the Study of Magneto-Optics of Bonds Between Atoms in Aliphatic Hydrocarbons,
Ann. Chim., 1963, 8, 45-83. [all data]
Esafov, 1952
Esafov, V.I.,
Zh. Obshch. Khim., 1952, 22, 604. [all data]
Bachman and Goebel, 1942
Bachman, C.B.; Goebel, C.G.,
J. Am. Chem. Soc., 1942, 64, 787. [all data]
Whitby and Gallay, 1932
Whitby, G.S.; Gallay, W.,
Studies of polymers and polymerization V. The influence of methyl and \ phenyl substitution on the polymerizability of butadiene,
Can. J. Res., 1932, 6, 280. [all data]
Enklaar, 1917
Enklaar, C.J.,
Recl. Trav. Chim. Pays-Bas, 1917, 36, 247. [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, Roganov, et al., 1984, 2
Petrova-Kuminskaya, S.V.; Roganov, G.N.; Kabo, G.Ya.,
Equilibrium of isomerization of 2-methylpentadienes,
Neftekhimiya, 1984, 24, 485-490. [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]
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]
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]
Widmer, 1967
Widmer, H.,
Gas chromatographic identification of hydrocarbons using retention indices,
J. Gas Chromatogr., 1967, 5, 10, 506-510, https://doi.org/10.1093/chromsci/5.10.506
. [all data]
Wongpornchai, Sriseadka, et al., 2003
Wongpornchai, S.; Sriseadka, T.; Choonvisase, S.,
Identification and quantitation of the rice aroma compound, 2-acetyl-1-pyrroline, in bread flowers (Vallaris glabra Ktze),
J. Agric. Food Chem., 2003, 51, 2, 457-462, https://doi.org/10.1021/jf025856x
. [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]
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]
Galindo-Cuspinera, Lubran, et al., 2002
Galindo-Cuspinera, V.; Lubran, M.B.; Rankin, S.A.,
Comparison of volatile compounds in water- and oil-soluble annatto (Bixa orellana L.) extracts,
J. Agric. Food Chem., 2002, 50, 7, 2010-2015, https://doi.org/10.1021/jf011325h
. [all data]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy Tboil Boiling point Tfus Fusion (melting) point ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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