1-Heptene - The NIST WebBook

1-Heptene

• Formula: C7H14
• Molecular weight: 98.1861
• IUPAC Standard InChI: InChI=1S/C7H14/c1-3-5-7-6-4-2/h3H,1,4-7H2,2H3 Copy
• IUPAC Standard InChIKey: ZGEGCLOFRBLKSE-UHFFFAOYSA-N Copy
• CAS Registry Number: 592-76-7
• Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file View 3d structure (requires JavaScript / HTML 5)
• Other names: n-Hept-1-ene; 1-n-Heptene; 1-C7H14; α-Heptylene; Heptylene; NSC 74130; heptene-1; hept-1-ene
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• Information on this page:
  • Reaction thermochemistry data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Henry's Law data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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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

+ =

By formula: H2 + C7H14 = C7H16

Quantity	Value	Units	Method	Reference	Comment
ΔrH°	-125. ± 2.	kJ/mol	AVG	N/A	Average of 6 values; Individual data points

= +

By formula: C7H16O = C7H14 + H2O

Quantity	Value	Units	Method	Reference	Comment
ΔrH°	33.4 ± 0.2	kJ/mol	Cm	Wiberg, Wasserman, et al., 1984	liquid phase; Heat of hydration

= +

By formula: C7H16O = C7H14 + H2O

Quantity	Value	Units	Method	Reference	Comment
ΔrH°	33.2 ± 0.2	kJ/mol	Cm	Wiberg, Wasserman, et al., 1984	liquid phase; Heat of hydration

= +

By formula: C7H16O = C7H14 + H2O

Quantity	Value	Units	Method	Reference	Comment
ΔrH°	32.8 ± 0.2	kJ/mol	Cm	Wiberg, Wasserman, et al., 1984	liquid phase; Heat of hydration

+ = C7H14Br2

By formula: C7H14 + Br2 = C7H14Br2

Quantity	Value	Units	Method	Reference	Comment
ΔrH°	-126.5	kJ/mol	Cm	Lister, 1941	gas phase; Heat of bromination at 300 K

=

By formula: C7H14 = C7H14

Quantity	Value	Units	Method	Reference	Comment
ΔrH°	-10.9 ± 0.4	kJ/mol	Eqk	Kabo, Andreevskii, et al., 1967	gas phase; Heat of isomerization

=

By formula: C7H14 = C7H14

Quantity	Value	Units	Method	Reference	Comment
ΔrH°	-10. ± 0.2	kJ/mol	Eqk	Kabo, Andreevskii, et al., 1967	gas phase; Heat of isomerization

=

By formula: C7H14 = C7H14

Quantity	Value	Units	Method	Reference	Comment
ΔrH°	-7.6 ± 1.1	kJ/mol	Eqk	Kabo, Andreevskii, et al., 1967	gas phase; Heat of isomerization

=

By formula: C7H14 = C7H14

Quantity	Value	Units	Method	Reference	Comment
ΔrH°	-7.6 ± 0.1	kJ/mol	Eqk	Kabo, Andreevskii, et al., 1967	gas phase; Heat of isomerization

References

Go To: Top, Reaction thermochemistry data, Notes

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

Wiberg, Wasserman, et al., 1984 Wiberg, K.B.; Wasserman, D.J.; Martin, E., Enthalpies of hydration of alkenes. 2. The n-heptenes and n-pentenes, J. Phys. Chem., 1984, 88, 3684-3688. [all data]

Lister, 1941 Lister, M.W., Heats of organic reactions. X. Heats of bromination of cyclic olefins, J. Am. Chem. Soc., 1941, 63, 143-149. [all data]

Kabo, Andreevskii, et al., 1967 Kabo, G.Ya.; Andreevskii, D.N.; Savinetskaya, G.A., Isomerization equilibrium of n-monochloroheptanes and n-heptenes, Neftekhimiya, 1967, 7, 364-368. [all data]

Notes

Go To: Top, Reaction thermochemistry data, References

• Symbols used in this document:

  ΔrH°	Enthalpy of reaction at standard conditions

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