2-Naphthalenecarboxylic acid

• Formula: C₁₁H₈O₂
• Molecular weight: 172.1800
• IUPAC Standard InChI: InChI=1S/C11H8O2/c12-11(13)10-6-5-8-3-1-2-4-9(8)7-10/h1-7H,(H,12,13) Copy

  
• IUPAC Standard InChIKey: UOBYKYZJUGYBDK-UHFFFAOYSA-N Copy
• CAS Registry Number: 93-09-4
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Other names: 2-Naphthoic acid; β-Naphthoic acid; Isonaphthoic acid; 2-Carboxynaphthalene; 2-Maythic acid; 2-Naphthioic acid; Naphthalene-β-carboxylic acid; NSC 59901; 2-Naphthylcarboxylic acid
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• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
  • Gas Chromatography
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Condensed 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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:
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

Enthalpy of vaporization

Enthalpy of sublimation

Enthalpy of fusion

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

Ionization energy determinations

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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.

Colomina, Roux, et al., 1974
Colomina, M.; Roux, M.V.; Turrion, C., Thermochemical properties of naphthalene compounds. I. Enthalpies of combustion and formation of the 1- and 2-naphthoic acids, J. Chem. Thermodyn., 1974, 6, 149-155. [all data]

Holdiness, 1983
Holdiness, M.R., Heats of atomization and resonance energy of some ortho-substituted benzoic acids, Thermochim. Acta, 1983, 71, 257-263. [all data]

Sabbah and Gilbert, 1974
Sabbah, R.; Gilbert, E.M., Determination de L'energie de conjugaison des acides naphtoiques, Thermochim. Acta, 1974, 10, 345-351. [all data]

Khetarpal, Lal, et al., 1979
Khetarpal, S.C.; Lal, K.; Bhatnagar, H.L., Thermodynamic Studies on Melting of Some α- and β-Derivitives of Naphthalene, Aust. J. Chem., 1979, 32, 49. [all data]

Berliner and Winicov, 1959
Berliner, E.; Winicov, E.H., Dissociation Constants of Nitronaphtoic Acid, J. Am. Chem. Soc., 1959, 81, 1630-5. [all data]

Witschonke, 1954
Witschonke, C.R., Freezing point and purity data for some organic compounds, Anal. Chem., 1954, 26, 562-4. [all data]

Bailey and Golden, 1953
Bailey, W.J.; Golden, H.R., Cyclic Dienes I. 1,2-Dimethylenecyclohexane, J. Am. Chem. Soc., 1953, 75, 4780-2. [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]

Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J., , Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brighton, 1977. [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]

Klasinc, Kovac, et al., 1983
Klasinc, L.; Kovac, B.; Gusten, H., Photoelectron spectra of acenes. Electronic structure and substituent effects, Pure Appl. Chem., 1983, 55, 289. [all data]

Notes

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• Symbols used in this document:
  

  Tfus	Fusion (melting) point
  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔfH°solid	Enthalpy of formation of solid at standard conditions
  ΔfusH	Enthalpy of fusion
  ΔsubH	Enthalpy of sublimation
  ΔsubH°	Enthalpy of sublimation at standard conditions
  ΔvapH	Enthalpy of vaporization

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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