2-Naphthalenecarboxylic acid
- Formula: C11H8O2
- Molecular weight: 172.1800
- IUPAC Standard InChIKey: UOBYKYZJUGYBDK-UHFFFAOYSA-N
- 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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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -232.5 ± 1.7 | kJ/mol | Ccb | Colomina, Roux, et al., 1974 |
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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°solid | -346.1 ± 1.5 | kJ/mol | Ccb | Colomina, Roux, et al., 1974 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -5138.0 ± 7.2 | kJ/mol | Ccb | Holdiness, 1983 | Corresponding ΔfHºsolid = -334.0 kJ/mol (simple calculation by NIST; no Washburn corrections) |
ΔcH°solid | -5125.9 ± 1.4 | kJ/mol | Ccb | Colomina, Roux, et al., 1974 | Corresponding ΔfHºsolid = -346.1 kJ/mol (simple calculation by NIST; no Washburn corrections) |
ΔcH°solid | -5125.9 ± 1.4 | kJ/mol | Ccb | Sabbah and Gilbert, 1974 | Corresponding ΔfHºsolid = -346.08 kJ/mol (simple calculation by NIST; no Washburn corrections) |
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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 458.15 | K | N/A | Khetarpal, Lal, et al., 1979 | Uncertainty assigned by TRC = 2. K; TRC |
Tfus | 457.2 | K | N/A | Berliner and Winicov, 1959 | Uncertainty assigned by TRC = 1.5 K; TRC |
Tfus | 457.56 | K | N/A | Witschonke, 1954 | Uncertainty assigned by TRC = 0.35 K; TRC |
Tfus | 458.75 | K | N/A | Witschonke, 1954 | Uncertainty assigned by TRC = 0.25 K; TRC |
Tfus | 458. | K | N/A | Bailey and Golden, 1953 | Uncertainty assigned by TRC = 3. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 113.6 | kJ/mol | N/A | Colomina, Roux, et al., 1974 | DRB |
ΔsubH° | 117.19 | kJ/mol | C | Sabbah and Gilbert, 1974 | ALS |
ΔsubH° | 117.2 | kJ/mol | C | Sabbah and Gilbert, 1974 | AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
98.9 | 478. | A | Stephenson and Malanowski, 1987 | Based on data from 463. to 582. K.; AC |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
113.6 ± 0.79 | 355.6 | V | Colomina, Roux, et al., 1974 | ALS |
113.6 ± 0.8 | 365. | ME | Colomina, Roux, et al., 1974 | Based on data from 347. to 363. K. See also Pedley and Rylance, 1977 and Stephenson and Malanowski, 1987.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
23.54 | 460.2 | Acree, 1991 | AC |
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
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.26 | PE | Klasinc, Kovac, et al., 1983 | |
8.26 | PE | Klasinc, Kovac, et al., 1983 | Vertical value |
IR Spectrum
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Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Mass spectrum (electron ionization)
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Due to licensing restrictions, this spectrum cannot be downloaded.
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 | Japan AIST/NIMC Database- Spectrum MS-NW-4530 |
NIST MS number | 232431 |
UV/Visible spectrum
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Spectrum
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Additional Data
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Source | Bolshakov, et al., 1969 |
---|---|
Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 20231 |
Instrument | unknown |
Melting point | 185.5 |
Gas Chromatography
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Lee's RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5 | 289.55 | Pedersen, Durant, et al., 2005 | 30. m/0.25 mm/0.25 μm, Helium, 50. C @ 1.5 min, 6. K/min, 310. C @ 10. min |
References
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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]
Bolshakov, et al., 1969
Bolshakov, G.F., et al.,
Ultraviolet Spectra of Heteroorganic Compounds, 1969, 316. [all data]
Pedersen, Durant, et al., 2005
Pedersen, D.U.; Durant, J.L.; Taghizadeh, K.; Hemond, H.F.; Lafleur, A.L.; Cass, G.R.,
Human cell mutagenes in respirable airborne particles from the Northeastern United States. 2. Quantification of mutagenes and other organic compounds.,
Environ. Sci. Technol., 2005, 39, 24, 9547-9560, https://doi.org/10.1021/es050886c
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, References
- 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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