Phenol, 2-(1,1-dimethylethyl)-

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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-199.1kJ/molCcbBertholon, Giray, et al., 1971 

Phase change data

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), References, Notes

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
Tboil497.2KN/AAldrich Chemical Company Inc., 1990BS
Tboil497.06KN/ATsvetkov, Nazmutdinov, et al., 1986Uncertainty assigned by TRC = 0.01 K; TRC
Quantity Value Units Method Reference Comment
Tfus267.53KN/AMcDonald, Shrader, et al., 1959Uncertainty assigned by TRC = 0.05 K; TRC
Quantity Value Units Method Reference Comment
Δvap63.2 ± 0.2kJ/molN/AVerevkin, 1999AC
Δvap77.03kJ/molCBertholon, Giray, et al., 1971ALS
Δvap80.9kJ/molN/ABertholon, Giray, et al., 1971DRB

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
62.6 ± 0.2309.GSVerevkin, 1999Based on data from 289. to 329. K.; AC
74.1424.EBNesterova, Nazmutdinov, et al., 1990Based on data from 409. to 467. K.; AC
54.9368.AStephenson and Malanowski, 1987Based on data from 353. to 498. K.; AC
52.9424.N/ATsvetkov, Nazmutdinov, et al., 1986Based on data from 409. to 465. K.; AC
55.6348.N/AStage, Müller, et al., 1953Based on data from 330. to 507. K.; AC
53.9373.N/AStage, Müller, et al., 1953Based on data from 330. to 507. K.; AC
51.0423.N/AStage, Müller, et al., 1953Based on data from 330. to 507. K.; AC
47.0473.N/AStage, Müller, et al., 1953Based on data from 330. to 507. K.; AC

Antoine Equation Parameters

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

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Temperature (K) A B C Reference
328.26 to 497.234.477651928.57-65.966McDonald, Shrader, et al., 1959, 2

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:


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
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV) Method Reference Comment
8.10 ± 0.02PEMaier and Turner, 1973LLK
8.40PECetinkaya, Lappert, et al., 1983Vertical value; LBLHLM

De-protonation reactions

C10H13O- + Hydrogen cation = Phenol, 2-(1,1-dimethylethyl)-

By formula: C10H13O- + H+ = C10H14O

Quantity Value Units Method Reference Comment
Δr1446. ± 9.2kJ/molG+TSFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr1415. ± 8.4kJ/molIMREFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale; B

Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Phase change data, Gas phase ion energetics data, References, Notes

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 Japan AIST/NIMC Database- Spectrum MS-NW- 895
NIST MS number 228360

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References

Go To: Top, Gas phase thermochemistry data, Phase change 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.

Bertholon, Giray, et al., 1971
Bertholon, G.; Giray, M.; Perrin, R.; Vincent-Falquet-Berny, M.F., No. 532. - Etude physicochimique des phenols. OX. - Ethanlpies de combustion et energies de resonance des alcoyl et aryphenols, Bull. Soc. Chim. France, 1971, 3180-3187. [all data]

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

Tsvetkov, Nazmutdinov, et al., 1986
Tsvetkov, V.S.; Nazmutdinov, A.G.; Sharonov, K.S.; Rozhnov, A.M., Termodin. Org. Soedin., 1986, 71. [all data]

McDonald, Shrader, et al., 1959
McDonald, R.A.; Shrader, S.A.; Stull, D.R., Vapor Pressures and Freezing Points of 30 Organics, J. Chem. Eng. Data, 1959, 4, 311. [all data]

Verevkin, 1999
Verevkin, S.P., Thermochemistry of phenols: quantification of theortho-,para-, andmeta-interactions in tert-alkyl substituted phenols, The Journal of Chemical Thermodynamics, 1999, 31, 5, 559-585, https://doi.org/10.1006/jcht.1998.0459 . [all data]

Nesterova, Nazmutdinov, et al., 1990
Nesterova, T.N.; Nazmutdinov, A.G.; Tsvetkov, V.S.; Rozhnov, A.M.; Roshchupkina, I. Yu, Vapour pressures and enthalpies of vaporization of alkylphenols, The Journal of Chemical Thermodynamics, 1990, 22, 4, 365-377, https://doi.org/10.1016/0021-9614(90)90122-7 . [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]

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

McDonald, Shrader, et al., 1959, 2
McDonald, R.A.; Shrader, S.A.; Stull, D.R., Vapor Pressures and Freezing Points of Thirty Pure Organic Compounds., J. Chem. Eng. Data, 1959, 4, 4, 311-313, https://doi.org/10.1021/je60004a009 . [all data]

Maier and Turner, 1973
Maier, J.P.; Turner, D.W., Steric inhibition of resonance studied by molecular photoelectron spectroscopy Part 3. Anilines, Phenols and Related Compounds, J. Chem. Soc. Faraday Trans. 2, 1973, 69, 521. [all data]

Cetinkaya, Lappert, et al., 1983
Cetinkaya, B.; Lappert, M.F.; Suffolk, R.J., Photoelectron spectra of some sterically hindered phenols and related compounds, J. Chem. Res. Synop., 1983, 316. [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

Go To: Top, Gas phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References