Pyridine, 4-nitro-, 1-oxide
- Formula: C5H4N2O3
- Molecular weight: 140.0969
- IUPAC Standard InChI: InChI=1S/C5H4N2O3/c8-6-3-1-5(2-4-6)7(9)10/h1-4H
- IUPAC Standard InChIKey: RXKNNAKAVAHBNK-UHFFFAOYSA-N
- CAS Registry Number: 1124-33-0
- 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: p-Nitropyridine N-oxide; 4-Nitropyridine oxide; 4-Nitropyridine N-oxide; 4-Nitropyridine 1-oxide; Avitrol 100; Pyridine-1-oxide, 4-nitro-
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Gas phase thermochemistry data
Go To: Top, Phase change data, 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 | 126.0 ± 0.9 | kJ/mol | Ccb | Acree, Tucker, et al., 1995 |
Phase change data
Go To: Top, Gas phase thermochemistry data, 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
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 108.9 ± 0.3 | kJ/mol | V | Acree, Tucker, et al., 1995 | ALS |
| ΔsubH° | 108.9 ± 0.3 | kJ/mol | C | Acree Jr., 1995 | AC |
| ΔsubH° | 89.1 ± 2.5 | kJ/mol | V | Lebedev, Chironov, et al., 1995 | ALS |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 89.1 ± 2.5 | 311. to 335. | Lebedev, Chironov, et al., 1995, 2 | AC |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Acree, Tucker, et al., 1995
Acree, W.E., Jr.; Tucker, S.A.; Ribeiro da Silva, M.D.M.C.; Matos, M.A.R.; Goncalves, J.M.; Ribeiro da Silva, M.A.V.; Pilcher, G.,
Enthalpies of combustion of 4-nitropyridine N-oxide and pyridine-3-carboxylic acid N-oxide: the dissociation enthalpies of the N-O bonds in pyridine N-oxide derivatives,
J. Chem. Thermodyn., 1995, 27, 391-398. [all data]
Acree Jr., 1995
Acree Jr.,
Enthalpies of combustion of 4-nitropyridineN-oxide and pyridine-3-carboxylic acidN-oxide: the dissociation enthalpies of the N---O bonds in pyridineN-oxide derivatives,
The Journal of Chemical Thermodynamics, 1995, 27, 4, 391-398, https://doi.org/10.1006/jcht.1995.0038
. [all data]
Lebedev, Chironov, et al., 1995
Lebedev, V.P.; Chironov, V.V.; Kizin, A.N.; Falyahov, I.F.; Saifullin, I.Sh.; Klyuchnikov, O.R.; Orlov, Yu.D.; Lebedev, Yu.A.,
The energies of dissociation of the N-O bonds in pyridine 1-oxide deriveates,
Russ. Chem. Bull. (Engl. Transl.), 1995, 44, 639-641. [all data]
Lebedev, Chironov, et al., 1995, 2
Lebedev, V.P.; Chironov, V.V.; Kizin, A.N.; Falyakhov, I.F.; Saifullin, I.Sh.; Klyushnikov, O.R.; Orlov, Yu.D.; Lebedev, Yu.A.,
Dissociation energy of the N-O bond in pyridine 1-oxide derivatives,
Izv. Akad. Nauk Ser. Khim., 1995, 4, 660. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.