2-Pentene, 4-methyl-, (Z)-

• Formula: C₆H₁₂
• Molecular weight: 84.1595
• IUPAC Standard InChI: InChI=1S/C6H12/c1-4-5-6(2)3/h4-6H,1-3H3/b5-4- Copy

  
• IUPAC Standard InChIKey: LGAQJENWWYGFSN-PLNGDYQASA-N Copy
• CAS Registry Number: 691-38-3
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Stereoisomers:
  • 2-Pentene, 4-methyl-
  • 2-Pentene, 4-methyl-, (E)-
• Other names: (Z)-4-Methyl-2-pentene; cis-4-Methyl-2-Pentene; 4-Methyl-2-cis-pentene; (Z)-(CH3)2CHCH=CHCH3; 4-Methyl-cis-2-pentene; 2-Pentene, 4-methyl-cis-; 4-Methyl-2-pentene, cis; 4-Methylpentene-2, cis-; 4-Methyl-2-pentene; cis-4-methylpent-2-ene
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• Information on this page:
  • Gas phase ion energetics data
  • IR Spectrum
  • UV/Visible spectrum
  • References
  • Notes
• Other data available:
  • Phase change data
  • Reaction thermochemistry data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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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 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

View reactions leading to C₆H₁₂⁺ (ion structure unspecified)

Ionization energy determinations

IR Spectrum

Go To: Top, Gas phase ion energetics data, UV/Visible spectrum, References, Notes

Data compiled by: Coblentz Society, Inc.

• SOLUTION (10% CCl4 FOR 3800-1330, 10% CS2 FOR 1330-450 CM^-1); DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm^-1 resolution

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

• gas; HP-GC/MS/IRD

UV/Visible 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: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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Additional Data

References

Go To: Top, Gas phase ion energetics data, IR Spectrum, UV/Visible spectrum, Notes

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

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, Grosjean, et al., 1973
Masclet, P.; Grosjean, D.; Mouvier, G., Alkene ionization potentials. Part I. Quantitative determination of alkyl group structural effects, J. Electron Spectrosc. Relat. Phenom., 1973, 2, 225. [all data]

Perkampus and Braunschweig, 1966
Perkampus, H.-H.; Braunschweig, T.H., UV atlas of organic compounds, 1966, 1, A1/10. [all data]

Notes

Go To: Top, Gas phase ion energetics data, IR Spectrum, UV/Visible spectrum, References

• Symbols used in this document:
  

  IE (evaluated)

  Recommended ionization energy

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