Benzyl alcohol

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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
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Δfgas-94.6 ± 3.0kJ/molCcrPapina, Pimenova, et al., 1995ALS
Δfgas-100.7kJ/molN/AParks, Manchester, et al., 1954Value computed using ΔfHliquid° value of -161.0±1.3 kj/mol from Parks, Manchester, et al., 1954 and ΔvapH° value of 60.3 kj/mol from Papina, Pimenova, et al., 1995.; DRB
Δfgas-113.7kJ/molN/ALandrieu, Baylocq, et al., 1929Value computed using ΔfHliquid° value of -174.0 kj/mol from Landrieu, Baylocq, et al., 1929 and ΔvapH° value of 60.3 kj/mol from Papina, Pimenova, et al., 1995.; DRB
Δfgas-106.7kJ/molN/ASchmidlin, 1906Value computed using ΔfHliquid° value of -167.0 kj/mol from Schmidlin, 1906 and ΔvapH° value of 60.3 kj/mol from Papina, Pimenova, et al., 1995.; DRB

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
DRB - Donald R. Burgess, Jr.
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
Tboil478. ± 1.KAVGN/AAverage of 16 out of 18 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus257. ± 2.KAVGN/AAverage of 9 values; Individual data points
Quantity Value Units Method Reference Comment
Δvap63. ± 6.kJ/molAVGN/AAverage of 9 values; Individual data points

Reduced pressure boiling point

Tboil (K) Pressure (bar) Reference Comment
366.20.013Weast and Grasselli, 1989BS
366.0.013Buckingham and Donaghy, 1982BS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
66.2318.GSGrayson and Fosbraey, 2006Based on data from 303. to 333. K.; AC
54.6400.AStephenson and Malanowski, 1987Based on data from 385. to 573. K. See also Kkykj and Repas, 1973.; AC
61.5303.A.MEStephenson and Malanowski, 1987Based on data from 293. to 313. K. See also Serpinskii, Voitkevich, et al., 1957 and Kkykj and Repas, 1973.; 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 Comment
395.67 to 478.564.477131738.9-89.559Dreisbach and Shrader, 1949Coefficents calculated by NIST from author's data.

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
8.79257.6Acree, 1991AC
8.970257.6Parks, Todd, et al., 1936DH

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
34.82257.6Parks, Todd, et al., 1936DH

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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
LL - Sharon G. Lias and Joel F. Liebman

View reactions leading to C7H8O+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
Proton affinity (review)778.3kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity748.0kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
8.26 ± 0.05EISelim, Rabbih, et al., 1987LBLHLM
8.37EIRussell, Freiser, et al., 1983LBLHLM
9.0 ± 0.1EIGilbert, Leach, et al., 1973LLK
9.14 ± 0.05EIPignataro, Foffani, et al., 1966RDSH
9.23PEBallard, Jones, et al., 1987Vertical value; LBLHLM
9.53PEDeshmukh, Dutta, et al., 1982Vertical value; LBLHLM
9.23PEEck, Schweig, et al., 1978Vertical value; LLK
9.11PEBenoit and Harrison, 1977Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C5H3+15.49 ± 0.09OH+C2H4EISelim, Rabbih, et al., 1989LL
C5H3+16.86 ± 0.11H2O+H+C2H2EISelim, Rabbih, et al., 1989LL
C6H7+10.33 ± 0.06CHOEISelim, Rabbih, et al., 1987, 2LBLHLM
C6H7+10.67CO+HEIRussell, Freiser, et al., 1983LBLHLM
C6H7+10.9CHO?EIHarrison, Haynes, et al., 1965RDSH
C7H6+11.71 ± 0.06H2OEISelim, Rabbih, et al., 1987, 3LBLHLM
C7H7+11.76 ± 0.07OHEISelim, Rabbih, et al., 1987, 2LBLHLM
C7H7+11.7OHEIMeyerson, Rylander, et al., 1959RDSH
C7H7O+10.46 ± 0.06HEISelim, Rabbih, et al., 1987LBLHLM
C7H7O+10.03HEIRussell, Freiser, et al., 1983LBLHLM

De-protonation reactions

C7H7O- + Hydrogen cation = Benzyl alcohol

By formula: C7H7O- + H+ = C7H8O

Quantity Value Units Method Reference Comment
Δr1548. ± 8.8kJ/molG+TSBartmess, Scott, et al., 1979gas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr1520. ± 8.4kJ/molIMREBartmess, Scott, et al., 1979gas 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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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 Chemical Concepts
NIST MS number 151560

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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.

Papina, Pimenova, et al., 1995
Papina, T.S.; Pimenova, S.M.; Luk'yanova, V.A.; Kolesov, V.P., Standard enthalpies of formation of benzyl alcohol and α,α,α-trichlorotoluene, Russ. J. Phys. Chem. (Engl. Transl.), 1995, 69, 1951-1953, In original 2148. [all data]

Parks, Manchester, et al., 1954
Parks, G.S.; Manchester, K.E.; Vaughan, L.M., Heats of combustion and formation of some alcohols, phenols, and ketones, J. Chem. Phys., 1954, 22, 2089-2090. [all data]

Landrieu, Baylocq, et al., 1929
Landrieu, P.; Baylocq, F.; Johnson, J.R., Etude thermochimique dans la serie furanique, Bull. Soc. Chim. France, 1929, 45, 36-49. [all data]

Schmidlin, 1906
Schmidlin, M.J., Recherches chimiques et thermochimiques sur la constitution des rosanilines, Ann. Chim. Phys., 1906, 1, 195-256. [all data]

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]

Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M., Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [all data]

Grayson and Fosbraey, 2006
Grayson, B. Terence; Fosbraey, Lynda A., Determination of the vapour pressure of pesticides, Pestic. Sci., 2006, 13, 3, 269-278, https://doi.org/10.1002/ps.2780130308 . [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]

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

Serpinskii, Voitkevich, et al., 1957
Serpinskii, V.V.; Voitkevich, S.A.; Lyuboshits, N.Yu., Zh. Fiz. Khim., 1957, 31, 1278. [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]

Acree, 1991
Acree, William E., Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation, Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H . [all data]

Parks, Todd, et al., 1936
Parks, G.S.; Todd, S.S.; Moore, W.A., Thermal data on organic compounds. XVI. Some heat capacity, entropy and free energy data for typical benzene derivatives and heterocyclic compounds, J. Am. Chem. Soc., 1936, 58, 398-401. [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Selim, Rabbih, et al., 1987
Selim, E.T.; Rabbih, M.A.; Fahmey, M.A., M and [M-1]+ ions formed for benzyl alcohol, benzyl amine and benzyl cyanide, Org. Mass Spectrom., 1987, 22, 381. [all data]

Russell, Freiser, et al., 1983
Russell, D.H.; Freiser, B.S.; McBay, E.H.; Canada, D.C., The structure of decomposing [C7H7O]+ ions: Benzyl versus tropylium ion structures, Org. Mass Spectrom., 1983, 18, 474. [all data]

Gilbert, Leach, et al., 1973
Gilbert, J.R.; Leach, W.P.; Miller, J.R., Ionisation appearance potential measurements in arene chromium tricarbonyls, J. Organomet. Chem., 1973, 49, 219. [all data]

Pignataro, Foffani, et al., 1966
Pignataro, S.; Foffani, A.; Innorta, G.; Distefano, G., Molecular structural effects on the ionization potentials for metasubstituted aromatic compounds and for compounds of the type X-CH2-R, Z. Physik. Chem. (Frankfurt), 1966, 49, 291. [all data]

Ballard, Jones, et al., 1987
Ballard, R.E.; Jones, J.; Read, D.; Inchley, A.; Cranmer, M., He(I) photoelectron studies of liquids and gases, Chem. Phys. Lett., 1987, 137, 125. [all data]

Deshmukh, Dutta, et al., 1982
Deshmukh, P.; Dutta, T.K.; Hwang, J.L.-S.; Housecroft, C.E.; Fehlner, T.P., Photoelectron spectroscopic measurements of the relative charge on carbyne fragments bound to polynuclear cobalt carbonyl clusters, J. Am. Chem. Soc., 1982, 104, 1740. [all data]

Eck, Schweig, et al., 1978
Eck, V.; Schweig, A.; Vermeer, H., The ultraviolet photoelectron spectrum of o-benzoquinone methide, Tetrahedron Lett., 1978, 27, 2433. [all data]

Benoit and Harrison, 1977
Benoit, F.M.; Harrison, A.G., Predictive value of proton affinity. Ionization energy correlations involving oxygenated molecules, J. Am. Chem. Soc., 1977, 99, 3980. [all data]

Selim, Rabbih, et al., 1989
Selim, E.T.M.; Rabbih, M.A.; Fahmey Ahmad, M.A.; Shalbi, A.S., Energetic study of [C5H3]+ fragment ion produced from some benzyl derivatives, Arab Gulf J. Sci. Res., 1989, 7, 53. [all data]

Selim, Rabbih, et al., 1987, 2
Selim, E.T.M.; Rabbih, M.A.; Fahmey, M.A., A mass spectrometric study of [C7H7]+ and [C6H7]+ fragment ions obtained from benzyl alcohol, benzyl amine and benzyl cyanide, Egypt. J. Phys., 1987, 18, 37. [all data]

Harrison, Haynes, et al., 1965
Harrison, A.G.; Haynes, P.; McLean, S.; Meyer, F., The mass spectra of methyl-substituted cyclopentadienes, J. Am. Chem. Soc., 1965, 87, 5099. [all data]

Selim, Rabbih, et al., 1987, 3
Selim, E.T.; Rabbih, M.A.; Rezk, A.M.H.; Fahmey, M.A., Energetics of [C7H6]+ fragment ion using electron impact technique, Indian J. Pure Appl. Phys., 1987, 25, 451. [all data]

Meyerson, Rylander, et al., 1959
Meyerson, S.; Rylander, P.N.; Eliel, E.L.; McCollum, J.D., Organic ions in the gas phase. VII. Tropylium ion from benzyl chloride and benzyl alcohol, J. Am. Chem. Soc., 1959, 81, 2606. [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]


Notes

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