pyridin-2-ol
- Formula: C5H5NO
- Molecular weight: 95.0993
- IUPAC Standard InChIKey: UBQKCCHYAOITMY-UHFFFAOYSA-N
- CAS Registry Number: 72762-00-6
- 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. - Species with the same structure:
- Other names: 2-Pyridinol
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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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -79.7 ± 1.5 | kJ/mol | Ccb | Suradi, El Saiad, et al., 1982 |
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 | -166.3 ± 0.8 | kJ/mol | Ccb | Suradi, El Saiad, et al., 1982 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -2515.8 ± 0.4 | kJ/mol | Ccb | Suradi, El Saiad, et al., 1982 |
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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔsubH° | 86.6 ± 1.3 | kJ/mol | C | Suradi, El Saiad, et al., 1982 |
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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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
By formula: C5H5NO = C5H5NO
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 0.88 | kJ/mol | Eqk | Cook, Katritzky, et al., 1976 | liquid phase; solvent: benzene |
ΔrH° | -4.6 | kJ/mol | Eqk | Cook, Katritzky, et al., 1976 | liquid phase; solvent: Cyclohexane |
C5H5NO =
By formula: C5H5NO = C5H5NO
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1. ± 10. | kJ/mol | Kin | Beak, Fry, et al., 1976 | gas phase |
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, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.62 | PE | Bursten, Cotton, et al., 1979 | Vertical value |
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 | Bliznyukov and Reznikov, 1955 |
---|---|
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. 12114 |
Instrument | n.i.g. |
Melting point | 107.8 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, UV/Visible spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Suradi, El Saiad, et al., 1982
Suradi, S.; El Saiad, N.; Pilcher, G.; Skinner, H.A.,
Enthalpies of combustion of the three hydroxy-pyridines and the four hydroxy-2-methylpyridines,
J. Chem. Thermodyn., 1982, 14, 45-50. [all data]
Cook, Katritzky, et al., 1976
Cook, M.J.; Katritzky, A.R.; Hepler, L.G.; Matsui, T.,
Heats of solution and tautomeric equilibrium constants. The 2-pyridone: 2-hydroxypyridine equilibrium in non-aqueous media,
Tetrahedron Lett., 1976, 2685-2688. [all data]
Beak, Fry, et al., 1976
Beak, P.; Fry, F.S., Jr.; Lee, J.; Steele, F.,
Equilibration studies. Protomeric equilibria of 2- and 4-Hydroxypyridines, 2- and 4-hydroxypyridines, 2- and 4-mercaptopyridines, and structurally related compounds in the gas phase,
J. Am. Chem. Soc., 1976, 98, 171-179. [all data]
Bursten, Cotton, et al., 1979
Bursten, B.E.; Cotton, F.A.; Cowley, A.H.; Hanson, B.E.; Lattman, M.; Stanley, G.S.,
Strong metal-to-metal quadruple bonds in a series of five isostructural compounds as indicated by photoelectron spectroscopy,
J. Am. Chem. Soc., 1979, 101, 6244. [all data]
Bliznyukov and Reznikov, 1955
Bliznyukov, V.I.; Reznikov, V.M.,
Zhur. Obshchei Khim. (in Rus.), 1955, 25, 1781. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, UV/Visible spectrum, References
- Symbols used in this document:
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 ΔrH° Enthalpy of reaction at standard conditions ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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