4-Chloropyridine
- Formula: C5H4ClN
- Molecular weight: 113.545
- IUPAC Standard InChIKey: PVMNPAUTCMBOMO-UHFFFAOYSA-N
- CAS Registry Number: 626-61-9
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Pyridine, 4-chloro-; p-Chloropyridine
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Phase change data
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.
Data compiled by: Robert L. Brown and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 420.7 | K | N/A | Weast and Grasselli, 1989 |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference |
---|---|---|
359.2 | 0.132 | Weast and Grasselli, 1989 |
Gas phase ion energetics 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 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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 219.0 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 211.3 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.5 | PE | Modelli and Distefano, 1981 | LLK |
10.15 ± 0.05 | EI | Basila and Clancy, 1963 | RDSH |
10.1 | PE | Modelli and Distefano, 1981 | Vertical value; LLK |
9.86 | PE | Klasinc, Novak, et al., 1978 | Vertical value; LLK |
10.2 | PI | Weiner, Gin, et al., 1977 | Vertical value; LLK |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
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]
Modelli and Distefano, 1981
Modelli, A.; Distefano, G.,
He(I) photoelectron spectra of chloro-, vinyl- and acetyl-pyridines,
J. Electron Spectrosc. Relat. Phenom., 1981, 23, 323. [all data]
Basila and Clancy, 1963
Basila, M.R.; Clancy, D.J.,
The ionization potentials of monosubstituted pyridines by electron impact,
J. Phys. Chem., 1963, 67, 1551. [all data]
Klasinc, Novak, et al., 1978
Klasinc, L.; Novak, I.; Scholz, M.; Kluge, G.,
Photoelektronenspektren substituierter Pyridine und Benzole und ihre Interpretation durch die CNDO/SWW-Methode,
Croat. Chem. Acta, 1978, 51, 43. [all data]
Weiner, Gin, et al., 1977
Weiner, M.A.; Gin, A.; Lattman, M.,
Ultraviolet photoelectron spectra of 4-substituted pyridine- pentacarbonylchromium complexes,
Inorg. Chim. Acta, 1977, 24, 235. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
Tboil Boiling point - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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