Phenol, 3-(1-methylethyl)-

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Phase change data

Go To: Top, Gas phase ion energetics data, Gas Chromatography, 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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil500. ± 3.KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus299.1 ± 0.2KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Δvap17.45kcal/molCBertholon, Giray, et al., 1971see Bertholon, 1967; ALS
Δvap16.6kcal/molN/ABertholon, Giray, et al., 1971DRB

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
15.4392.AStephenson and Malanowski, 1987Based on data from 377. to 497. 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
335. to 501.5.171672406.573-36.231Stull, 1947Coefficents 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:


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 by: John E. Bartmess

View reactions leading to C9H12O+ (ion structure unspecified)

De-protonation reactions

C9H11O- + Hydrogen cation = Phenol, 3-(1-methylethyl)-

By formula: C9H11O- + H+ = C9H12O

Quantity Value Units Method Reference Comment
Δr349.0 ± 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
Δr342.2 ± 2.0kcal/molIMREFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale

Gas Chromatography

Go To: Top, 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

Kovats' RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryPS-255150.1207.Engewald, Billing, et al., 198850. m/0.30 mm/0.25 μm

Van Den Dool and Kratz RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryVF-5MS1227.3Mjøs, Meier, et al., 200650. m/0.25 mm/0.25 μm, He; Program: 60C(2min) => 30C/min => 100C => 1C/min =>
CapillaryVF-5MS1227.9Mjøs, Meier, et al., 200650. m/0.25 mm/0.25 μm, He; Program: 60C(2min) => 30C/min => 100C => 2C/min =>
CapillaryVF-5MS1229.2Mjøs, Meier, et al., 200650. m/0.25 mm/0.25 μm, He; Program: 60C(2min) => 30C/min => 100C => 4C/min =>

Normal alkane RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryPolydimethyl siloxane, unknown content of Ph-groups1228.Geldon, 1989Program: not specified

References

Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, 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]

Bertholon, 1967
Bertholon, G., No. 534. - Etude physicochimique des phonols. VI. - Etude physicochimique des trois isopropylphenols isomeres, Bull. Soc. Chim. France, 1967, 8, 2977-2982. [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]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [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]

Engewald, Billing, et al., 1988
Engewald, W.; Billing, U.; Topalova, I.; Petsev, N., Structure-retention correlations of alkylphenols in gas-liquid and gas-solid chromatography, J. Chromatogr., 1988, 446, 71-77, https://doi.org/10.1016/S0021-9673(00)94419-4 . [all data]

Mjøs, Meier, et al., 2006
Mjøs, S.A.; Meier, S.; Boitsov, S., Alkylphenol retention indices, J. Chromatogr. A, 2006, 1123, 1, 98-105, https://doi.org/10.1016/j.chroma.2006.05.002 . [all data]

Geldon, 1989
Geldon, A.L., Ground Water Hydrology of the Central Raton Basin, Colorado and New Mexico, US Geological Survey, US Government Printing Office, 1989, 104. [all data]


Notes

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