3-Heptyne

• Formula: C₇H₁₂
• Molecular weight: 96.1702
• IUPAC Standard InChI: InChI=1S/C7H12/c1-3-5-7-6-4-2/h3-5H2,1-2H3 Copy

  
• IUPAC Standard InChIKey: KLYHSJRCIZOUHE-UHFFFAOYSA-N Copy
• CAS Registry Number: 2586-89-2
• 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: 1-Ethyl-2-propylacetylene; hept-3-yne
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• Information on this page:
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
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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 C₇H₁₂⁺ (ion structure unspecified)

Ionization energy determinations

Appearance energy determinations

Mass spectrum (electron ionization)

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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

Spectrum

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Additional Data

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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Kovats' RI, polar column, isothermal

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References

Go To: Top, Gas phase ion energetics data, 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.

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, 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]

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]

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]

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 ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References

• Symbols used in this document:
  

  AE	Appearance energy

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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