Benzene, 1-propynyl-

• Formula: C₉H₈
• Molecular weight: 116.1598
• IUPAC Standard InChI: InChI=1S/C9H8/c1-2-6-9-7-4-3-5-8-9/h3-5,7-8H,1H3 Copy

  
• IUPAC Standard InChIKey: GHUURDQYRGVEHX-UHFFFAOYSA-N Copy
• CAS Registry Number: 673-32-5
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: Methylphenylacetylene; Phenylmethylacetylene; 1-Methyl-2-phenylacetylene; 1-Phenyl-1-propyne; 1-Phenylpropyne; 1-Propynylbenzene; 1-Phenylpropyne-1; Methylphenylethyne; Propyne, 1-phenyl-; prop-1-ynylbenzene
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• Information on this page:
  • Gas phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Gas Chromatography
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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

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 by: Robert L. Brown and Stephen E. Stein

Reduced pressure boiling point

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

2 +  =

By formula: 2H₂ + C₉H₈ = C₉H₁₂

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 C₉H₈⁺ (ion structure unspecified)

Ionization energy determinations

Appearance energy determinations

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• LIQUID; PERKIN-ELMER; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm^-1 resolution

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

• gas

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

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), Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Davis, Allinger, et al., 1985
Davis, H.E.; Allinger, N.L.; Rogers, D.W., Enthalpies of hydrogenation of phenylalkynes: indirect determination of the enthalpy of formation of diphenylcyclopropenone, J. Org. Chem., 1985, 50, 3601-3604. [all data]

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

Farchan Laboratories, 1990
Farchan Laboratories, Research Chemicals Catalog, Farchan Laboratories, Gainesville, FL, 1990, 91. [all data]

Elbel, Lienert, et al., 1981
Elbel, S.; Lienert, K.; Krebs, A.; tom Dieck, H., Phenylethin - mustersonde fur substituenteneffekte, Liebigs Ann. Chem., 1981, 1785. [all data]

Carlier and Mouvier, 1979
Carlier, P.; Mouvier, G., Etude par spectrometrie de photoelectrons de la structure electronique des phenyl-alcynes conjugues, J. Electron Spectrosc. Relat. Phenom., 1979, 16, 169-181. [all data]

Griebel, Hohlneicher, et al., 1974
Griebel, R.; Hohlneicher, G.; Dorr, F., A photoelectron spectroscopic study of benzonitrile, ethynylbenzene and some of its substituted derivatives, J. Electron Spectrosc. Relat. Phenom., 1974, 4, 185. [all data]

Schwarz and Bohlmann, 1973
Schwarz, H.; Bohlmann, F., Elektronenstossinduzierte fragmentierung von acetylenverbindungen. VI. Struktur und bildungsenthalpie der ionen [C₁₁H₉]⁺ und [C₉H₇]⁺, Org. Mass Spectrom., 1973, 7, 395. [all data]

Notes

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• Symbols used in this document:
  

  AE	Appearance energy
  Tboil	Boiling point
  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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