1-Pentene, 4,4-dimethyl-

• Formula: C₇H₁₄
• Molecular weight: 98.1861
• IUPAC Standard InChI: InChI=1S/C7H14/c1-5-6-7(2,3)4/h5H,1,6H2,2-4H3 Copy

  
• IUPAC Standard InChIKey: KLCNJIQZXOQYTE-UHFFFAOYSA-N Copy
• CAS Registry Number: 762-62-9
• 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: 2,2-Dimethyl-4-pentene; 4,4-Dimethyl-1-pentene; (CH3)3CCH2CH=CH2; 4,4-dimethylpent-1-ene
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• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Reaction thermochemistry data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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Condensed 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Enthalpy of vaporization

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

Ionization energy determinations

References

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

Rockenfeller and Rossini, 1961
Rockenfeller, J.D.; Rossini, F.D., Heats of combustion, isomerization, and formation of selected C₇, C₈, and C₁₀ monoolefin hydrocarbons, J. Phys. Chem., 1961, 65, 267-272. [all data]

Reid, 1972
Reid, Robert C., Handbook on vapor pressure and heats of vaporization of hydrocarbons and related compounds, R. C. Wilhort and B. J. Zwolinski, Texas A Research Foundation. College Station, Texas(1971). 329 pages.$10.00, AIChE J., 1972, 18, 6, 1278-1278, https://doi.org/10.1002/aic.690180637 . [all data]

Camin and Rossini, 1960
Camin, D.L.; Rossini, F.D., Physical properties of to selected C₇ and C₈ alkene hydrocarbons, J. Chem. Eng. Data, 1960, 5, 368. [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]

Camin and Rossini, 1960, 2
Camin, D.L.; Rossini, F.D., Physical Properties of 16 Selected C ₇ and C ₈ Alkene Hydrocarbons., J. Chem. Eng. Data, 1960, 5, 3, 368-372, https://doi.org/10.1021/je60007a037 . [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]

Weidner and Schweig, 1972
Weidner, U.; Schweig, A., Theory and application of photoelectron spectroscopy. V. The nature of bonding in vinyl- and allylsilanes: the effects of σ-π (hyperconjugation) p_π-d_π conjugation in these compounds, J. Organomet. Chem., 1972, 39, 261. [all data]

Notes

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• Symbols used in this document:
  

  Tboil	Boiling point
  Tfus	Fusion (melting) point
  ΔcH°liquid	Enthalpy of combustion of liquid at standard conditions
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions

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