2-Butenal, 2-methyl-, (E)-

• Formula: C₅H₈O
• Molecular weight: 84.1164
• IUPAC Standard InChI: InChI=1S/C5H8O/c1-3-5(2)4-6/h3-4H,1-2H3/b5-3- Copy

  
• IUPAC Standard InChIKey: ACWQBUSCFPJUPN-HYXAFXHYSA-N Copy
• CAS Registry Number: 497-03-0
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Species with the same structure:
  • 2-Butenal,2-methyl-(Z)-
  • 2-methyl-(Z)-2-butenal
• Stereoisomers:
  • 2-Butenal, 2-methyl-
• Other names: Crotonaldehyde, 2-methyl-, (E)-; trans-Tiglaldehyde; trans-2-Methyl-2-butenal; E-2-Methyl-2-butenal; Tiglaldehyde; Tiglic acid aldehyde; Tiglic aldehyde; (2E)-2-Methyl-2-butenal; 2-Methyl-2-butenal, (E); 2-Methyl-2-butenal, trans; 2-Methyl-2(E)-butenal; 2-Methylbut-(E)-2-enal; 2-Methyl-(E)-2-butenal; (E)-2-Methylbut-2-enal; 2-Butenal, 2-methyl-, (2E)-; NSC 2179; Tiglaldehyde (2-Methyl-2-butenal)
• Information on this page:
  • Condensed phase thermochemistry data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Phase change data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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Condensed phase thermochemistry data

Go To: Top, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Gas phase ion energetics data

Go To: Top, Condensed phase thermochemistry 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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

References

Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, Notes

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

Clopatt, 1932
Clopatt, J.A., Eine neue Methode zur Bestimmung der Verbrennungswarme fluchtiger Stoffe, Soc. Scient. Fenn. Commentat. Phys. Math., 1932, 6, 1-15. [all data]

Masclet and Mouvier, 1978
Masclet, P.; Mouvier, G., Etude par spectrometrie photoelectronique d'aldehydes et de cetones ethyleniques conjugues, J. Electron Spectrosc. Relat. Phenom., 1978, 14, 77. [all data]

Notes

Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, References

• Symbols used in this document:
  

  ΔcH°liquid

  Enthalpy of combustion of liquid at standard conditions

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