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 

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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfsolid-53.64 ± 0.24kcal/molCcbBiddiscombe, Handley, et al., 1963ALS
Quantity Value Units Method Reference Comment
Δcsolid-1040.35 ± 0.22kcal/molCcbBiddiscombe, Handley, et al., 1963Corresponding Δfsolid = -53.63 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of solid

Cp,solid (cal/mol*K) Temperature (K) Reference Comment
49.45298.15Nichols and Wads, 1975DH

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
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Tboil490. ± 5.KAVGN/AAverage of 17 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus319. ± 1.KAVGN/AAverage of 14 values; Individual data points
Quantity Value Units Method Reference Comment
Tc716.45KN/AAmbrose, 1963Uncertainty assigned by TRC = 0.8 K; TRC
Quantity Value Units Method Reference Comment
Δsub19.20 ± 0.03kcal/molVBiddiscombe, Handley, et al., 1963ALS
Δsub19.1kcal/molN/ABiddiscombe, Handley, et al., 1963DRB

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
12.7459.A,GS,EBStephenson and Malanowski, 1987Based on data from 444. to 503. K. See also Biddiscombe, Handley, et al., 1963, 2.; AC
13.5348.N/AStage, Müller, et al., 1953Based on data from 337. to 503. K.; AC
13.1373.N/AStage, Müller, et al., 1953Based on data from 337. to 503. K.; AC
12.9398.N/AStage, Müller, et al., 1953Based on data from 337. to 503. K.; AC
12.3423.N/AStage, Müller, et al., 1953Based on data from 337. to 503. K.; AC
11.4473.N/AStage, Müller, et al., 1953Based on data from 337. to 503. K.; AC

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
444.90 to 502.294.134381550.369-116.136Biddiscombe, Handley, et al., 1963Coefficents calculated by NIST from author's data.

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


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

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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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

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References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, 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.

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]

Nichols and Wads, 1975
Nichols, N.; Wads, I., Thermochemistry of solutions of biochemical model compounds. 3. Some benzene derivatives in aqueous solution, J. Chem. Thermodynam., 1975, 7, 329-336. [all data]

Ambrose, 1963
Ambrose, D., Critical Temperatures of Some Phenols and Other Organic Compounds, Trans. Faraday Soc., 1963, 59, 1988. [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]

Biddiscombe, Handley, et al., 1963, 2
Biddiscombe, D.P.; Handley, R.; Harrop, D.; Head, A.J.; Lewis, G.B.; Martin, J.F.; Sprake, C.H.S., 1099. Thermodynamic properties of organic oxygen compounds. Part XIII. Preparation and physical properties of pure ethylphenols, J. Chem. Soc., 1963, 5764, https://doi.org/10.1039/jr9630005764 . [all data]

Stage, Müller, et al., 1953
Stage, H.; Müller, E.; Faldix, P., Erdol u Kohle, 1953, 6, 375. [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]


Notes

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