4-Nitropyridine
- Formula: C5H4N2O2
- Molecular weight: 124.0975
- CAS Registry Number: 1122-61-8
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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:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 874.3 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 842.5 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.4 | PE | Weiner and Lattman, 1975 | LLK |
10.2 ± 0.1 | EI | Stefanovic and Grutzmacher, 1974 | LLK |
UV/Visible spectrum
Go To: Top, Gas phase ion energetics data, References, Notes
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 | Gruber, 1953 |
---|---|
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. 12086 |
Instrument | n.i.g. |
Melting point | 49-51 |
References
Go To: Top, 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.
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Weiner and Lattman, 1975
Weiner, M.A.; Lattman, M.,
Ultraviolet photoelectron spectra of 4-substituted pyridineboranes,
Inorg. Nucl. Chem. Lett., 1975, 11, 723. [all data]
Stefanovic and Grutzmacher, 1974
Stefanovic, D.; Grutzmacher, H.F.,
The ionisation potential of some substituted pyridines,
Org. Mass Spectrom., 1974, 9, 1052. [all data]
Gruber, 1953
Gruber, W.,
Can. J. Chem., 1953, 31, 1020. [all data]
Notes
Go To: Top, Gas phase ion energetics data, UV/Visible spectrum, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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