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Benzaldehyde, 4-hydroxy-

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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:
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Deltasub24.5 ± 0.1kcal/molMERibeiro da Silva, Gonçalves, et al., 2010Based on data from 324. - 341. K.; AC
Deltasub23.8 ± 0.1kcal/molCBernardes and Minas da Piedade, 2008AC
Deltasub23.5 ± 0.31kcal/molN/AStephenson and Malanowski, 1987Based on data from 303. - 336. K. See also Parsons, Rochester, et al., 1971.; AC

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
17.3409.AStephenson and Malanowski, 1987Based on data from 394. - 583. K. See also Stull, 1947.; 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
394.3 - 583.5.315452851.945-46.329Stull, 1947Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

DeltasubH (kcal/mol) Temperature (K) Method Reference Comment
24.3 ± 0.1333.MERibeiro da Silva, Gonçalves, et al., 2010Based on data from 324. - 341. K.; AC
21.8324.N/AAihara, 1960Based on data from 312. - 336. K.; AC

Enthalpy of fusion

DeltafusH (kcal/mol) Temperature (K) Method Reference Comment
4.85390.8DSCBernardes and Minas da Piedade, 2008AC
5.16390.8N/ATemprado, Roux, et al., 2008AC

Reaction thermochemistry data

Go To: Top, Phase change data, IR Spectrum, 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:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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

Bromine anion + Benzaldehyde, 4-hydroxy- = (Bromine anion bullet Benzaldehyde, 4-hydroxy-)

By formula: Br- + C7H6O2 = (Br- bullet C7H6O2)

Quantity Value Units Method Reference Comment
Deltar25.8 ± 1.8kcal/molIMREPaul and Kebarle, 1990gas phase; «DELTA»Gaff at 423 K; B,M,M
Quantity Value Units Method Reference Comment
Deltar23.cal/mol*KN/APaul and Kebarle, 1990gas phase; switching reaction,Thermochemical ladder(Br-)C6H5OH, Entropy change calculated or estimated; M
Deltar23.cal/mol*KN/APaul and Kebarle, 1990gas phase; switching reaction,Thermochemical ladder(Br-)C6H5OH, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar16.1 ± 1.0kcal/molIMREPaul and Kebarle, 1990gas phase; «DELTA»Gaff at 423 K; B

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
15.4423.PHPMSPaul and Kebarle, 1990gas phase; switching reaction,Thermochemical ladder(Br-)C6H5OH, Entropy change calculated or estimated; M
16.1423.PHPMSPaul and Kebarle, 1990gas phase; switching reaction,Thermochemical ladder(Br-)C6H5OH, Entropy change calculated or estimated; M

C7H5O2- + Hydrogen cation = Benzaldehyde, 4-hydroxy-

By formula: C7H5O2- + H+ = C7H6O2

Quantity Value Units Method Reference Comment
Deltar333.0 ± 2.1kcal/molG+TSFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Deltar326.1 ± 2.0kcal/molIMREFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale; B

IR Spectrum

Go To: Top, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), References, Notes

Data compiled by: Coblentz Society, Inc.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director


Mass spectrum (electron ionization)

Go To: Top, Phase change data, Reaction thermochemistry data, IR Spectrum, 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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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 NIST Mass Spectrometry Data Center, 1994
NIST MS number 135511

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References

Go To: Top, Phase change data, Reaction thermochemistry data, IR Spectrum, 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.

Ribeiro da Silva, Gonçalves, et al., 2010
Ribeiro da Silva, Maria D.M.C.; Gonçalves, Mariana V.; Monte, Manuel J.S., Thermodynamic study on hydroxybenzaldehyde derivatives: 3- and 4-Hydroxybenzaldehyde isomers and 3,5-di-tert-butyl-2-hydroxybenzaldehyde, The Journal of Chemical Thermodynamics, 2010, 42, 4, 472-477, https://doi.org/10.1016/j.jct.2009.10.009 . [all data]

Bernardes and Minas da Piedade, 2008
Bernardes, Carlos E.S.; Minas da Piedade, Manuel E., Energetics of the O-H Bond and of Intramolecular Hydrogen Bonding in HOC 6 H 4 C(O)Y (Y = H, CH 3 , CH 2 CH«58875»CH 2 , C«58876»CH, CH 2 F, NH 2 , NHCH 3 , NO 2 , OH, OCH 3 , OCN, CN, F, Cl, SH, and SCH 3 ) Compounds, J. Phys. Chem. A, 2008, 112, 40, 10029-10039, https://doi.org/10.1021/jp804455u . [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]

Parsons, Rochester, et al., 1971
Parsons, G.H.; Rochester, C.H.; Wood, C.E.C., Effect of 4-substitution on the thermodynamics of hydration of phenol and the phenoxide anion, J. Chem. Soc., B:, 1971, 533, https://doi.org/10.1039/j29710000533 . [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]

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]

Temprado, Roux, et al., 2008
Temprado, M.; Roux, María Victoria; Chickos, J.S., Some thermophysical properties of several solid aldehydes, J Therm Anal Calorim, 2008, 94, 1, 257-262, https://doi.org/10.1007/s10973-007-8883-0 . [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]


Notes

Go To: Top, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), References