Phenol, 2,4,6-tri-tert-butyl-

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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.
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis

Quantity Value Units Method Reference Comment
Tboil551.2KN/AWeast and Grasselli, 1989BS
Quantity Value Units Method Reference Comment
Tfus402.8KN/AChickos, Braton, et al., 1991Uncertainty assigned by TRC = 1. K; TRC
Tfus405.7KN/AInozemtsev, Liakumovich, et al., 1972Uncertainty assigned by TRC = 0.2 K; TRC
Tfus404.KN/ADavies and Kybett, 1965Uncertainty assigned by TRC = 2.5 K; TRC
Quantity Value Units Method Reference Comment
Δsub87.5 ± 0.4kJ/molGSVerevkin, 1999AC
Δsub128.1kJ/molCBertholon, Giray, et al., 1971ALS
Δsub128.2kJ/molN/ABertholon, Giray, et al., 1971DRB
Δsub85.60 ± 0.42kJ/molVDavies and Kybett, 1965ALS
Δsub84.2 ± 0.5kJ/molVAihara, 1960See also Verevkin, 1999.; AC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
63.2430.AStephenson and Malanowski, 1987Based on data from 415. to 551. K.; AC

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
85.6 ± 0.4317.MEDavies and Kybett, 1965Based on data from 295. to 339. K. See also Stephenson and Malanowski, 1987.; AC
83.9302.N/AAihara, 1960Based on data from 292. to 313. K.; AC

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
19.46405.2Chickos, Braton, et al., 1991, 2AC

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
21.66405.2Chickos, Braton, et al., 1991CAL

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: 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

Phenol, 2,4,6-tri-tert-butyl- + Phenol, 2-(1,1-dimethylethyl)- = Phenol, 2,6-bis(1,1-dimethylethyl)- + 2,4-Di-tert-butylphenol

By formula: C18H30O + C10H14O = C14H22O + C14H22O

Quantity Value Units Method Reference Comment
Δr0.1 ± 0.46kJ/molEqkPil'shchikov, Nesterova, et al., 1981liquid phase

Phenol, 2,4,6-tri-tert-butyl- + Phenol, p-tert-butyl- = 22,4-Di-tert-butylphenol

By formula: C18H30O + C10H14O = 2C14H22O

Quantity Value Units Method Reference Comment
Δr-12.4 ± 2.0kJ/molEqkPil'shchikov, Nesterova, et al., 1981liquid phase

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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard

Ionization energy determinations

IE (eV) Method Reference Comment
7.5PECetinkaya, Lappert, et al., 1983LBLHLM
7.82PECetinkaya, Lappert, et al., 1983Vertical value; LBLHLM

References

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

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

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Chickos, Braton, et al., 1991
Chickos, J.S.; Braton, C.M.; Hesse, D.G.; Liebman, J.F., Estimating entropies and enthalpies of fusion of organic compounds, J. Org. Chem., 1991, 56, 3, 927, https://doi.org/10.1021/jo00003a007 . [all data]

Inozemtsev, Liakumovich, et al., 1972
Inozemtsev, P.P.; Liakumovich, A.G.; Gracheva, Z.D., Russ. J. Phys. Chem., 1972, 46, 6, 914. [all data]

Davies and Kybett, 1965
Davies, M.; Kybett, B., Sublimation and vaporization heats of long-chain alcohols, Trans. Faraday Soc., 1965, 61, 1608. [all data]

Verevkin, 1999
Verevkin, Sergey P., Thermochemistry of phenols: buttress effects in sterically hindered phenols, The Journal of Chemical Thermodynamics, 1999, 31, 11, 1397-1416, https://doi.org/10.1006/jcht.1999.0466 . [all data]

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]

Aihara, 1960
Aihara, Ariyuki, Estimation of the Energy of Hydrogen Bonds Formed in Crystals. II. Phenols, Bull. Chem. Soc. Jpn., 1960, 33, 2, 194-200, https://doi.org/10.1246/bcsj.33.194 . [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]

Chickos, Braton, et al., 1991, 2
Chickos, James S.; Braton, C. Marie; Hesse, Donald G.; Liebman, Joel F., Estimating entropies and enthalpies of fusion of organic compounds, J. Org. Chem., 1991, 56, 3, 927-938, https://doi.org/10.1021/jo00003a007 . [all data]

Pil'shchikov, Nesterova, et al., 1981
Pil'shchikov, V.A.; Nesterova, T.N.; Rozhnov, A.M., Equilibrium in the system phenol-tert-butylphenols, J. Appl. Chem. USSR, 1981, 54, 1765-1769. [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]


Notes

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