Phenol, 4-ethyl-

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

Quantity Value Units Method Reference Comment
Δfgas-34.48 ± 0.27kcal/molCcbBiddiscombe, Handley, et al., 1963 

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: John E. Bartmess

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

C8H9O- + Hydrogen cation = Phenol, 4-ethyl-

By formula: C8H9O- + H+ = C8H10O

Quantity Value Units Method Reference Comment
Δr349.7 ± 2.1kcal/molG+TSFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr342.9 ± 2.0kcal/molIMREFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale

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
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C8H10O+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
7.84EIRussell, Freiser, et al., 1983LBLHLM

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C6H7+11.27?EIRussell, Freiser, et al., 1983LBLHLM
C7H7O+10.39CH3EIRussell, Freiser, et al., 1983LBLHLM
C7H7O+10.8 ± 0.1CH3EITait, Shannon, et al., 1962RDSH

De-protonation reactions

C8H9O- + Hydrogen cation = Phenol, 4-ethyl-

By formula: C8H9O- + H+ = C8H10O

Quantity Value Units Method Reference Comment
Δr349.7 ± 2.1kcal/molG+TSFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr342.9 ± 2.0kcal/molIMREFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale; B

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

Gas Phase Spectrum

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IR spectrum
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Additional Data

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Owner NIST Standard Reference Data Program
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Sadtler Research Labs Under US-EPA Contract
State gas

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


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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Due to licensing restrictions, this spectrum cannot be downloaded.

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 NIST Mass Spectrometry Data Center
NIST MS number 341131

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


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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UVVis spectrum
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Additional Data

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Source Bol'shakov, et al., 1969
Owner INEP CP RAS, NIST OSRD
Collection (C) 2007 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS
Source reference RAS UV No. 20209
Instrument unknown
Melting point 45
Boiling point 217.9

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.

Biddiscombe, Handley, et al., 1963
Biddiscombe, D.P.; Handley, R.; Harrop, D.; Head, A.J.; Lewis, G.B.; Martin, J.F.; Sprake, C.H.S., Thermodynamic properties of organic oxygen compounds. Part XIII. Preparation and physical properties of pure ethylphenols, J. Chem. Soc., 1963, 5764-5768. [all data]

Fujio, McIver, et al., 1981
Fujio, M.; McIver, R.T., Jr.; Taft, R.W., Effects on the acidities of phenols from specific substituent-solvent interactions. Inherent substituent parameters from gas phase acidities, J. Am. Chem. Soc., 1981, 103, 4017. [all data]

Russell, Freiser, et al., 1983
Russell, D.H.; Freiser, B.S.; McBay, E.H.; Canada, D.C., The structure of decomposing [C7H7O]+ ions: Benzyl versus tropylium ion structures, Org. Mass Spectrom., 1983, 18, 474. [all data]

Tait, Shannon, et al., 1962
Tait, J.M.S.; Shannon, T.W.; Harrison, A.G., The structure of substituted C7 ions from benzyl derivatives at the appearance potential threshold, J. Am. Chem. Soc., 1962, 84, 4. [all data]

Bol'shakov, et al., 1969
Bol'shakov, G.F., et al., Ultraviolet spectra of heteroorganic compounds, 1969, 240. [all data]


Notes

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