2-Heptanol

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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: Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Δfgas-355.4 ± 2.1kJ/molN/AWiberg, Wasserman, et al., 1984Value computed using ΔfHliquid° value of -416.9±0.67 kj/mol from Wiberg, Wasserman, et al., 1984 and ΔvapH° value of 61.5±2 kj/mol from sec-alkanol correlation.

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 as indicated in comments:
B - John E. Bartmess
ALS - 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

C7H15O- + Hydrogen cation = 2-Heptanol

By formula: C7H15O- + H+ = C7H16O

Quantity Value Units Method Reference Comment
Δr1558. ± 8.4kJ/molCIDCHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.; B
Quantity Value Units Method Reference Comment
Δr1531. ± 8.8kJ/molH-TSHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.; B

2-Heptanol = 1-Heptene + Water

By formula: C7H16O = C7H14 + H2O

Quantity Value Units Method Reference Comment
Δr33.4 ± 0.2kJ/molCmWiberg, Wasserman, et al., 1984liquid phase; Heat of hydration; ALS

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:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV) Method Reference Comment
9.70 ± 0.03PEAshmore and Burgess, 1977LLK
10.24PEAshmore and Burgess, 1977Vertical value; LLK

De-protonation reactions

C7H15O- + Hydrogen cation = 2-Heptanol

By formula: C7H15O- + H+ = C7H16O

Quantity Value Units Method Reference Comment
Δr1558. ± 8.4kJ/molCIDCHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.; B
Quantity Value Units Method Reference Comment
Δr1531. ± 8.8kJ/molH-TSHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.; B

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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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin M.C. HAMMING CONTINENTAL OIL CO., PONCA CITY, OKLA, USA
NIST MS number 20310

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References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, 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.

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]

Haas and Harrison, 1993
Haas, M.J.; Harrison, A.G., The Fragmentation of Proton-Bound Cluster Ions and the Gas-Phase Acidities of Alcohols, Int. J. Mass Spectrom. Ion Proc., 1993, 124, 2, 115, https://doi.org/10.1016/0168-1176(93)80003-W . [all data]

Ashmore and Burgess, 1977
Ashmore, F.S.; Burgess, A.R., Study of Some Medium Size Alcohols and Hydroperoxides by Photoelectron Spectroscopy, J. Chem. Soc. Faraday Trans. 2, 1977, 73, 1247. [all data]


Notes

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