2-Naphthalenol
- Formula: C10H8O
- Molecular weight: 144.1699
- IUPAC Standard InChIKey: JWAZRIHNYRIHIV-UHFFFAOYSA-N
- CAS Registry Number: 135-19-3
- 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: β-Naphthol; 2-Naphthol; β-Hydroxynaphthalene; Azogen Developer A; Betanaphthol; C.I. Azoic Coupling Component 1; C.I. Developer 5; C.I. 37500; Developer A; Developer AMS; Developer BN; Isonaphthol; Naphthol B; 2-Hydroxynaphthalene; β-Monoxynaphthalene; β-Naftol; β-Naftolo; β-Naphthyl alcohol; β-Naphthyl hydroxide; β-Naphtol; β-Napthol; Naphthol, β; 2-Naftol; 2-Naftolo; 2-Naphtol; Antioxygene BN; NSC 2044
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Gas phase thermochemistry data
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -7.15 ± 0.41 | kcal/mol | Ccb | Ribeiro Da Silva, Ribeiro Da Silva, et al., 1988 | Hs=94.2±0.5 kJ/mol; Colomina, Roux, et al., 1974; ALS |
ΔfH°gas | -7.18 ± 0.27 | kcal/mol | Ccb | Colomina, Roux, et al., 1974, 2 | ALS |
ΔfH°gas | -3.30 | kcal/mol | N/A | Pushin, 1954 | Value computed using ΔfHsolid° value of -108.0 kj/mol from Pushin, 1954 and ΔsubH° value of 94.2 kj/mol from Ribeiro Da Silva, Ribeiro Da Silva, et al., 1988.; DRB |
Quantity | Value | Units | Method | Reference | Comment |
S°gas | 87.62 ± 0.94 | cal/mol*K | N/A | Kudchadker S.A., 1978 | GT |
Constant pressure heat capacity of gas
Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
8.805 | 50. | Kudchadker S.A., 1978 | GT |
12.34 | 100. | ||
17.31 | 150. | ||
23.06 | 200. | ||
32.180 | 273.15 | ||
35.330 | 298.15 | ||
35.562 | 300. | ||
47.371 | 400. | ||
57.177 | 500. | ||
64.957 | 600. | ||
71.130 | 700. | ||
76.111 | 800. | ||
80.201 | 900. | ||
83.609 | 1000. | ||
86.479 | 1100. | ||
88.915 | 1200. | ||
90.999 | 1300. | ||
92.787 | 1400. | ||
94.331 | 1500. |
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 by: John E. Bartmess
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
C10H7O- + =
By formula: C10H7O- + H+ = C10H8O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 343.8 ± 2.1 | kcal/mol | G+TS | Taft, 1987 | gas phase; value altered from reference due to change in acidity scale |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 336.5 ± 2.0 | kcal/mol | IMRE | Taft, 1987 | gas phase; value altered from reference due to change in acidity scale |
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:
L - 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 7.87 ± 0.02 | eV | N/A | N/A | L |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
7.89 ± 0.06 | S | Oikawa, Abe, et al., 1985 | LBLHLM |
7.85 ± 0.05 | PI | Potapov, Kardash, et al., 1972 | LLK |
7.90 | PE | Utsunomiya, Kobayashi, et al., 1975 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C9H7+ | 13.91 | CO+H | EI | Occolowitz and White, 1968 | RDSH |
C9H8+ | 11.27 | CO | EI | Occolowitz and White, 1968 | RDSH |
De-protonation reactions
C10H7O- + =
By formula: C10H7O- + H+ = C10H8O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 343.8 ± 2.1 | kcal/mol | G+TS | Taft, 1987 | gas phase; value altered from reference due to change in acidity scale; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 336.5 ± 2.0 | kcal/mol | IMRE | Taft, 1987 | gas phase; value altered from reference due to change in acidity scale; B |
IR Spectrum
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, References, Notes
Data compiled by: Coblentz Society, Inc.
Data compiled by: Timothy J. Johnson, Tanya L. Myers, Yin-Fong Su, Russell G. Tonkyn, Molly Rose K. Kelly-Gorham, and Tyler O. Danby
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Ribeiro Da Silva, Ribeiro Da Silva, et al., 1988
Ribeiro Da Silva, M.A.V.; Ribeiro Da Silva, M.D.M.C.; Pilcher, G.,
Enthalpies of combustion of 1-hydroxynaphthalene, 2-hydroxynaphthalene, and 1,2-, 1,3-, 1,4-, and 2,3-dihydroxynaphthalenes,
J. Chem. Thermodyn., 1988, 20, 969-974. [all data]
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]
Colomina, Roux, et al., 1974, 2
Colomina, M.; Roux, M.V.; Turrion, C.,
Thermochemical properties of naphthalene compounds. II. Enthalpies of combustion and formation of the 1- and 2-naphthols,
J. Chem. Thermodyn., 1974, 6, 571-576. [all data]
Pushin, 1954
Pushin, N.A.,
Heats of combustion and heats of formation of isomeric organic compounds,
Bull. Soc. Chim. Belgrade, 1954, 19, 531-547. [all data]
Kudchadker S.A., 1978
Kudchadker S.A.,
Ideal gas thermodynamic properties of 1- and 2-naphthol,
J. Chem. Soc. Faraday Trans. 2, 1978, 74, 1515-1520. [all data]
Taft, 1987
Taft, R.W.,
The Nature and Analysis of Substitutent Electronic Effects,
Personal communication. See also Prog. Phys. Org. Chem., 1987, 16, 1. [all data]
Oikawa, Abe, et al., 1985
Oikawa, A.; Abe, H.; Mikami, N.; Ito, M.,
Electronic spectra and ionization potentials of rotational isomers of severaldDisubstituted benzenes,
Chem. Phys. Lett., 1985, 116, 50. [all data]
Potapov, Kardash, et al., 1972
Potapov, V.K.; Kardash, I.E.; Sorokin, V.V.; Sokolov, S.A.; Evlasheva, T.I.,
Photoionization of heteroaromatic compounds,
Khim. Vys. Energ., 1972, 6, 392. [all data]
Utsunomiya, Kobayashi, et al., 1975
Utsunomiya, C.; Kobayashi, T.; Nagakura, S.,
Photoelectron spectra of substituted naphthalenes,
Bull. Chem. Soc. Jpn., 1975, 48, 1852. [all data]
Occolowitz and White, 1968
Occolowitz, J.L.; White, G.L.,
Energetic considerations in the assignment of some fragment ion structures,
Australian J. Chem., 1968, 21, 997. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, References
- Symbols used in this document:
AE Appearance energy Cp,gas Constant pressure heat capacity of gas IE (evaluated) Recommended ionization energy S°gas Entropy of gas at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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