p-Cresol

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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Δfgas-29.94 ± 0.36kcal/molCcbCox, 1961ALS
Δfgas-29.97 ± 0.36kcal/molCcbAndon, Biddiscombe, et al., 1960ALS

Constant pressure heat capacity of gas

Cp,gas (cal/mol*K) Temperature (K) Reference Comment
9.34850.Kudchadker S.A., 1978Selected entropies and heat capacities are in close agreement with statistical values calculated by [ Green J.H.S., 1962] except for S(298.15 K). This value is 3.1 J/mol*K greater than the calculated by [ Green J.H.S., 1962].; GT
12.26100.
16.35150.
20.73200.
27.522273.15
29.869298.15
30.041300.
38.903400.
46.372500.
52.409600.
57.306700.
61.348800.
64.732900.
67.6001000.
70.0481100.
72.1491200.
73.9601300.
75.5261400.
76.8861500.

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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil475.0 ± 0.9KAVGN/AAverage of 13 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus307. ± 2.KAVGN/AAverage of 16 values; Individual data points
Quantity Value Units Method Reference Comment
Ttriple307.94KN/AAndon, Counsell, et al., 1967Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Tc704.6KN/ADelaunois, 1968Uncertainty assigned by TRC = 0.4 K; TRC
Tc704.55KN/AAmbrose, 1963Uncertainty assigned by TRC = 0.3 K; TRC
Tc699.KN/AGlaser and Ruland, 1957Uncertainty assigned by TRC = 3. K; TRC
Tc699.2KN/ARadice, 1899Uncertainty assigned by TRC = 5. K; TRC
Quantity Value Units Method Reference Comment
Pc40.17atmN/ADelaunois, 1968Uncertainty assigned by TRC = 0.5807 atm; TRC
Pc45.0000atmN/AGlaser and Ruland, 1957Uncertainty assigned by TRC = 3.0000 atm; TRC
Pc50.8000atmN/AHerz and Neukirch, 1923Uncertainty assigned by TRC = 0.8000 atm; TRC
Quantity Value Units Method Reference Comment
Δvap11.14kcal/molCGlaser and Ruland, 1957ALS
Quantity Value Units Method Reference Comment
Δsub17.5 ± 0.1kcal/molCRichard, Bernardes, et al., 2007AC
Δsub17.7kcal/molN/ACox, 1961DRB
Δsub17.67 ± 0.35kcal/molVAndon, Biddiscombe, et al., 1960ALS
Δsub17.7kcal/molN/AAndon, Biddiscombe, et al., 1960DRB

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
14.8323.AStephenson and Malanowski, 1987Based on data from 308. to 393. K.; AC
13.2400.AStephenson and Malanowski, 1987Based on data from 385. to 477. K.; AC
11.8478.AStephenson and Malanowski, 1987Based on data from 463. to 533. K.; AC
11.0538.AStephenson and Malanowski, 1987Based on data from 523. to 635. K.; AC
13.3398.A,GS,EBStephenson and Malanowski, 1987Based on data from 383. to 473. K. See also Andon, Biddiscombe, et al., 1960, 2 and Kkykj and Repas, 1973.; AC
12.3446.N/AGoldblum, Martin, et al., 1947Based on data from 419. to 474. 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
401.20 to 475.034.135221498.579-112.6Dreisbach and Shrader, 1949Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Reference Comment
17.7 ± 0.36290.Andon, Biddiscombe, et al., 1960, 2Based on data from 273. to 307. K. See also Cox and Pilcher, 1970.; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Method Reference Comment
2.8203307.35N/AMeva'a and Lichanot, 1990DH
2.8411309.0N/APoeti, Fanelli, et al., 1982DH
3.0370307.94N/AAndon, Counsell, et al., 1967, 2DH
3.01308.8DSCRichard, Bernardes, et al., 2007AC
2.05307.6DSCJamróz, Palczewska-Tulinska, et al., 1998AC
3.040307.9N/ADomalski and Hearing, 1996AC
2.82307.4N/AMeva'a and Lichanot, 1990AC
2.9271309.N/AEykman, 1889DH

Entropy of fusion

ΔfusS (cal/mol*K) Temperature (K) Reference Comment
9.1307.35Meva'a and Lichanot, 1990DH
9.195309.0Poeti, Fanelli, et al., 1982DH
9.861307.94Andon, Counsell, et al., 1967, 2DH
9.46309.Eykman, 1889DH

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 as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
ALS - 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

Chlorine anion + p-Cresol = (Chlorine anion • p-Cresol)

By formula: Cl- + C7H8O = (Cl- • C7H8O)

Quantity Value Units Method Reference Comment
Δr25.6 ± 2.0kcal/molTDEqCummings, French, et al., 1977gas phase; Re-anchored to data in French, Ikuta, et al., 1982.; B,M
Δr25.9kcal/molPHPMSPaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr25.cal/mol*KN/APaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M
Δr26.7cal/mol*KPHPMSCummings, French, et al., 1977gas phase; M
Quantity Value Units Method Reference Comment
Δr17.9 ± 2.0kcal/molTDEqCummings, French, et al., 1977gas phase; Re-anchored to data in French, Ikuta, et al., 1982.; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
15.3423.PHPMSPaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M
16.6300.PHPMSCummings, French, et al., 1977gas phase; M

C7H7O- + Hydrogen cation = p-Cresol

By formula: C7H7O- + H+ = C7H8O

Quantity Value Units Method Reference Comment
Δr350.2 ± 2.1kcal/molG+TSFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale; B
Δr350.2 ± 2.1kcal/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Δr351.6 ± 2.3kcal/molG+TSKebarle and McMahon, 1977gas phase; B
Quantity Value Units Method Reference Comment
Δr343.4 ± 2.0kcal/molIMREFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale; B
Δr343.4 ± 2.0kcal/molIMREBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Δr344.7 ± 2.0kcal/molIMREKebarle and McMahon, 1977gas phase; B

Bromine anion + p-Cresol = (Bromine anion • p-Cresol)

By formula: Br- + C7H8O = (Br- • C7H8O)

Quantity Value Units Method Reference Comment
Δr20.3 ± 1.8kcal/molIMREPaul and Kebarle, 1990gas phase; ΔGaff at 423 K; B,M
Quantity Value Units Method Reference Comment
Δr23.cal/mol*KN/APaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr10.6 ± 1.0kcal/molIMREPaul and Kebarle, 1990gas phase; ΔGaff at 423 K; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
10.6423.PHPMSPaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M

Iodide + p-Cresol = (Iodide • p-Cresol)

By formula: I- + C7H8O = (I- • C7H8O)

Quantity Value Units Method Reference Comment
Δr16.4 ± 1.8kcal/molIMREPaul and Kebarle, 1990gas phase; ΔGaff at 423 K; B,M
Quantity Value Units Method Reference Comment
Δr21.cal/mol*KN/APaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr7.5 ± 1.0kcal/molIMREPaul and Kebarle, 1990gas phase; ΔGaff at 423 K; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
7.5423.PHPMSPaul and Kebarle, 1990gas phase; Entropy change calculated or estimated; M

p-Cresol + Butylated Hydroxytoluene = 2Phenol, 2-(1,1-dimethylethyl)-4-methyl-

By formula: C7H8O + C15H24O = 2C11H16O

Quantity Value Units Method Reference Comment
Δr-2.3 ± 0.43kcal/molEqkNesterova, Verevkin, et al., 1985liquid phase; ALS

p-Cresol + 1-Propene, 2-methyl- = Phenol, 2-(1,1-dimethylethyl)-4-methyl-

By formula: C7H8O + C4H8 = C11H16O

Quantity Value Units Method Reference Comment
Δr15.0 ± 0.67kcal/molEqkVerevkin, Nesterova, et al., 1984gas phase; ALS

Henry's Law data

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry 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: Rolf Sander

Henry's Law constant (water solution)

kH(T) = H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)

H (mol/(kg*bar)) d(ln(kH))/d(1/T) (K) Method Reference Comment
2500. QN/A missing citation give several references for the Henry's law constants but don't assign them to specific species. Value at T = 293. K.
1100. XN/A 
520.4600.XN/A 
1000. XN/AValue given here as quoted by missing citation.
1300.7200.MN/AIt is assumed here that the thermodynamic data in missing citation refers to the units [mol/dm3] and [atm] as standard states.

References

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Notes

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

Cox, 1961
Cox, J.D., The heats of combustion of phenol and the three cresols, Pure Appl. Chem., 1961, 2, 125-128. [all data]

Andon, Biddiscombe, et al., 1960
Andon, R.J.L.; Biddiscombe, D.P.; Cox, J.D.; Handley, R.; Harrop, D.; Herington, E.F.G.; Martin, J.F., Thermodynamic properties of organic oxygen compounds. Part I. Preparation and physical properties of pure phenol, cresols, and xylenols, J. Chem. Soc., 1960, 5246-5254. [all data]

Kudchadker S.A., 1978
Kudchadker S.A., Ideal gas thermodynamic properties of phenol and cresols, J. Phys. Chem. Ref. Data, 1978, 7, 417-423. [all data]

Green J.H.S., 1962
Green J.H.S., Normal frequencies, thermodynamic properties and equilibrium of the cresols, Chem. Ind. (London), 1962, 1575-1576. [all data]

Andon, Counsell, et al., 1967
Andon, R.J.L.; Counsell, J.F.; Lees, E.B.; Martin, J.F.; Mash, C.J., Thermodynamic Properties of Organic Oxygen Compounds Part 17. Low- temperature Heat Capacity and Entropy of the Cresols, Trans. Faraday Soc., 1967, 63, 1115. [all data]

Delaunois, 1968
Delaunois, C., Effect of the Filling Rate of a Reactor on the Vapor Tension and the Temperature at the Beginning of Cracking of Phenols at High Pressures, Ann. Mines Belg., 1968, No. 1, 9-16. [all data]

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

Glaser and Ruland, 1957
Glaser, F.; Ruland, H., Untersuchungsen über dampfdruckkurven und kritische daten einiger technisch wichtiger organischer substanzen, Chem. Ing. Techn., 1957, 29, 772. [all data]

Radice, 1899
Radice, G., , Ph. D. Thesis, Univ. of Geneve, 1899. [all data]

Herz and Neukirch, 1923
Herz, W.; Neukirch, E., On Knowldge of the Critical State, Z. Phys. Chem., Stoechiom. Verwandtschaftsl., 1923, 104, 433-50. [all data]

Richard, Bernardes, et al., 2007
Richard, Laurence S.; Bernardes, Carlos E.S.; Diogo, Hermínio P.; Leal, João P.; Minas da Piedade, Manuel E., Energetics of Cresols and of Methylphenoxyl Radicals, J. Phys. Chem. A, 2007, 111, 35, 8741-8748, https://doi.org/10.1021/jp073515m . [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]

Andon, Biddiscombe, et al., 1960, 2
Andon, R.J.L.; Biddiscombe, D.P.; Cox, J.D.; Handley, R.; Harrop, D.; Herington, E.F.G.; Martin, J.F., 1009. Thermodynamic properties of organic oxygen compounds. Part I. Preparation and physical properties of pure phenol, cresols, and xylenols, J. Chem. Soc., 1960, 5246, https://doi.org/10.1039/jr9600005246 . [all data]

Kkykj and Repas, 1973
Kkykj, J.; Repas, M., Petrochemia, 1973, 13, 179. [all data]

Goldblum, Martin, et al., 1947
Goldblum, K.B.; Martin, R.W.; Young, R.B., Vapor Pressure Data for Phenols, Ind. Eng. Chem., 1947, 39, 11, 1474-1476, https://doi.org/10.1021/ie50455a017 . [all data]

Dreisbach and Shrader, 1949
Dreisbach, R.R.; Shrader, S.A., Vapor Pressure--Temperature Data on Some Organic Compounds, Ind. Eng. Chem., 1949, 41, 12, 2879-2880, https://doi.org/10.1021/ie50480a054 . [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press Inc., London, 1970, 643. [all data]

Meva'a and Lichanot, 1990
Meva'a, L.M.; Lichanot, A., Proprietes thermodynamiques en phase condensee des ortho, meta et para fluorotoluene, cresol et toluidine, Thermochim. Acta, 1990, 158, 335-345. [all data]

Poeti, Fanelli, et al., 1982
Poeti, G.; Fanelli, E.; Braghetti, M., A differential scanning calorimetric study of some phenol derivatives, J. Therm. Anal., 1982, 24(2), 273-279. [all data]

Andon, Counsell, et al., 1967, 2
Andon, R.J.L.; Counsell, J.F.; Lees, E.B.; Martin, J.F.; Mash, C.J., Thermodynamic properties of organic oxygen compounds. Part 17. Low-temperature heat capacity and entropy of the cresols, Trans. Faraday Soc., 1967, 63, 1115-1121. [all data]

Jamróz, Palczewska-Tulinska, et al., 1998
Jamróz, Malgorzata E.; Palczewska-Tulinska, Marcela; Wyrzykowska-Stankiewicz, Danuta; Szafranski, Andrzej M.; Polaczek, Jerzy; Dobrowolski, Jan Cz.; Jamróz, Michal H.; Mazurek, Aleksander P., The urea--phenol(s) systems, Fluid Phase Equilibria, 1998, 152, 2, 307-326, https://doi.org/10.1016/S0378-3812(98)90206-0 . [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]

Eykman, 1889
Eykman, J.F., Zur kryoskopischen Molekulargewichtsbestimmung, Z. Physik. Chem., 1889, 4, 497-519. [all data]

Cummings, French, et al., 1977
Cummings, J.B.; French, M.A.; Kebarle, P., Effect of charge delocalization on hydrogen bonding to negative ions and solvation of negative ions. Substituted phenols and phenoxide ions, J. Am. Chem. Soc., 1977, 99, 6999. [all data]

French, Ikuta, et al., 1982
French, M.A.; Ikuta, S.; Kebarle, P., Hydrogen bonding of O-H and C-H hydrogen donors to Cl-. Results from mass spectrometric measurement of the ion-molecule equilibria RH + Cl- = RHCl-, Can. J. Chem., 1982, 60, 1907. [all data]

Paul and Kebarle, 1990
Paul, G.J.C.; Kebarle, P., Stabilities in the Gas Phase of the Hydrogen Bonded Complexes, YC6H4OH-X-, of Substituted Phenols, YC6H4OH, with the Halide Anions X-(Cl-, Br-), Can. J. Chem., 1990, 68, 11, 2070, https://doi.org/10.1139/v90-316 . [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]

Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [all data]

Kebarle and McMahon, 1977
Kebarle, P.; McMahon, T.B., Intrinsic Acidities of Substituted Phenols and Benzoic Acids Determined by Gas Phase Proton Transfer Equilibria, J. Am. Chem. Soc., 1977, 99, 7, 2222, https://doi.org/10.1021/ja00449a032 . [all data]

Nesterova, Verevkin, et al., 1985
Nesterova, T.N.; Verevkin, S.P.; Malova, T.N.; Pilshchikov, V.A., Study of an equilibrium of tert-alkylphenols (thermodynamic analysis of the alkylation of phenols by branched olefins), Zh. Prikl. Khim. (Leningrad), 1985, 58, 827-833. [all data]

Verevkin, Nesterova, et al., 1984
Verevkin, S.P.; Nesterova, T.N.; Rozhnov, A.M., The equilibrium in the dealkylation of o-t-butyl-p-cresol, Russ. J. Phys. Chem. (Engl. Transl.), 1984, 58, 284. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, References