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3-Octyne

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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
Deltafgas62.5 ± 1.8kJ/molChydRogers, Dagdagan, et al., 1979 

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, Kenneth Kroenlein director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil406. ± 2.KAVGN/AAverage of 9 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus162.71KN/AMiller, Greenlee, et al., 1954Uncertainty assigned by TRC = 2. K; TRC
Tfus169.25KN/AHenne and Greenlee, 1945Uncertainty assigned by TRC = 0.3 K; TRC
Tfus168.15KN/ACampbell and Eby, 1941Uncertainty assigned by TRC = 1.5 K; TRC
Quantity Value Units Method Reference Comment
Deltavap43.95kJ/molN/AMajer and Svoboda, 1985 

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
39.7378.AStephenson and Malanowski, 1987Based on data from 363. - 406. K. See also Eisen and Orav, 1970 and Boublik, Fried, et al., 1984.; AC
36.94406.3N/AMajer and Svoboda, 1985 

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


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

2Hydrogen + 3-Octyne = Octane

By formula: 2H2 + C8H14 = C8H18

Quantity Value Units Method Reference Comment
Deltar-271.1 ± 0.79kJ/molChydRogers, Dagdagan, et al., 1979liquid phase; solvent: Hexane

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 evaluated as indicated in comments:
L - Sharon G. Lias

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Quantity Value Units Method Reference Comment
IE (evaluated)9.22 ± 0.01eVN/AN/AL

Ionization energy determinations

IE (eV) Method Reference Comment
9.22 ± 0.02PIRang and Martinson, 1978LLK
9.222 ± 0.005PECarlier, Dubois, et al., 1975LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C6H9+9.40C2H5EIWagner-Redeker, Levsen, et al., 1981LLK
C7H11+9.50CH3EIWagner-Redeker, Levsen, et al., 1981LLK

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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IR 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

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, 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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Mass spectrum
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Additional Data

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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-3534
NIST MS number 230806

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


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

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Column type Active phase Temperature (C) I Reference Comment
CapillarySqualane70.819.28Soják, 2004H2
CapillarySqualane70.819.29Soják, 2004N2
CapillarySqualane70.819.37Soják, 2004N2
CapillarySqualane80.818.Soják, Farkas, et al., 1991107. m/0.25 mm/0.40 «mu»m, H2
CapillaryOV-101110.843.Kuningas, Rang, et al., 1990He; Column length: 50. m; Column diameter: 0.25 mm
CapillarySqualane50.820.7Welsch, Engewald, et al., 1978Column length: 80. m; Column diameter: 0.23 mm
CapillarySqualane100.817.Rang, Kuningas, et al., 1976N2; Column length: 100. m; Column diameter: 0.25 mm
CapillarySqualane110.816.Rang, Kuningas, et al., 1976N2; Column length: 100. m; Column diameter: 0.25 mm
CapillarySqualane120.816.Rang, Kuningas, et al., 1976N2; Column length: 100. m; Column diameter: 0.25 mm
CapillarySqualane130.815.Rang, Kuningas, et al., 1976N2; Column length: 100. m; Column diameter: 0.25 mm
CapillarySqualane90.818.Rang, Kuningas, et al., 1976N2; Column length: 100. m; Column diameter: 0.25 mm
CapillarySqualane80.821.Orav and Eisen, 1972Column length: 80. m; Column diameter: 0.25 mm

Kovats' RI, polar column, isothermal

View large format table.

Column type Active phase Temperature (C) I Reference Comment
CapillaryPEG 4000110.1012.Rang, Orav, et al., 1988 
CapillaryPEG 400060.1013.Rang, Orav, et al., 1988 
CapillaryPEG 400080.1012.Rang, Orav, et al., 1988 
CapillaryPEG 400070.1024.9Orav and Eisen, 1972Column length: 80. m; Column diameter: 0.25 mm

References

Go To: Top, Gas phase thermochemistry data, 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.

Rogers, Dagdagan, et al., 1979
Rogers, D.W.; Dagdagan, O.A.; Allinger, N.L., Heats of hydrogenation and formation of linear alkynes and a molecular mechanics interpretation, J. Am. Chem. Soc., 1979, 101, 671-676. [all data]

Miller, Greenlee, et al., 1954
Miller, H.M.; Greenlee, K.W.; Derfer, J.M.; Boord, C.E., J. Org. Chem., 1954, 19, 1882. [all data]

Henne and Greenlee, 1945
Henne, A.L.; Greenlee, K.W., Preparation and Physical Constants of Acetylenic Compounds, J. Am. Chem. Soc., 1945, 67, 484-5. [all data]

Campbell and Eby, 1941
Campbell, K.N.; Eby, L.T., The Reduction of Multiple Carbon-Carbon Bonds III. Further Studies on the Preparation of Olefins from Acetylenes, J. Am. Chem. Soc., 1941, 63, 2683. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [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]

Eisen and Orav, 1970
Eisen, O.; Orav, A., Eesti NSV Tead. Akad. Toim. Keem. Geol., 1970, 19, 3, 202. [all data]

Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E., The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]

Rang and Martinson, 1978
Rang, S.; Martinson, E., Ionization potentials of unsaturated hydrocarbons. 3. n-Alkyunes C8-C12., Eesti. NSV Tead. Akad. Toim. Keem., 1978, 44. [all data]

Carlier, Dubois, et al., 1975
Carlier, P.; Dubois, J.E.; Masclet, P.; Mouvier, G., Spectres de photoelectrons des alcynes, J. Electron Spectrosc. Relat. Phenom., 1975, 7, 55. [all data]

Wagner-Redeker, Levsen, et al., 1981
Wagner-Redeker, W.; Levsen, K.; Schwarz, H.; Zummack, W., Gaseous alkyne ions, J. Am. Chem. Soc., 1981, 16, 361. [all data]

Soják, 2004
Soják, L., Separation and identification of isomeric hydrocarbons by capillary gas chromatography and hyphenated spectrometric techniques, Petroleum Coal, 2004, 46, 3, 1-35. [all data]

Soják, Farkas, et al., 1991
Soják, L.; Farkas, P.; Ostrovský, I.; Janák, J.; Chrétien, J.R., Capillary gas chromatography of C5 - C13 branched alkynes on squalane and liquid crystal stationary phases, J. Chromatogr., 1991, 557, 241-253, https://doi.org/10.1016/S0021-9673(01)87136-3 . [all data]

Kuningas, Rang, et al., 1990
Kuningas, K.; Rang, S.; Kailas, T., Relationship between the structure and retention of n-alkenes and n-alkynes on silicone phases, J. Chromatogr., 1990, 520, 137-148, https://doi.org/10.1016/0021-9673(90)85094-C . [all data]

Welsch, Engewald, et al., 1978
Welsch, Th.; Engewald, W.; Berger, P., IX. Das gas-chromatographische Retentionsverhalten isomerer Octine and Octadiine, Chromatographia, 1978, 11, 1, 5-9, https://doi.org/10.1007/BF02262945 . [all data]

Rang, Kuningas, et al., 1976
Rang, S.; Kuningas, K.; Orav, A.; Eisen, O., Capillary gas chromatography of n-alkynes. I. Retention indices, J. Chromatogr., 1976, 119, 451-460, https://doi.org/10.1016/S0021-9673(00)86807-7 . [all data]

Orav and Eisen, 1972
Orav, A.; Eisen, O., The retention indexes for alkenes, alkynes and cyclenes on capillary columns, Izv. Akad. Nauk Est. SSR, Khim. Geol., 1972, 21, 1, 39-47. [all data]

Rang, Orav, et al., 1988
Rang, S.A.; Orav, A.E.; Kuningas, K.R.; Meister, A.E.; Strense, T.V.; Eisen, O.G., Gas-Chromatographic Characteristics of unsaturated hydrocarbons, Academy of Sciences of Estonia SSR, Tallinn, Estonia SSR, 1988, 208. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References