Pyridine, 2-chloro-
- Formula: C5H4ClN
- Molecular weight: 113.545
- IUPAC Standard InChIKey: OKDGRDCXVWSXDC-UHFFFAOYSA-N
- CAS Registry Number: 109-09-1
- 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: α-Chloropyridine; o-Chloropyridine; 2-Chloropyridine; UN 2822
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Gas phase ion energetics data
Go To: Top, Gas Chromatography, 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
L - 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 |
---|---|---|---|---|---|
IE (evaluated) | 9.0 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 900.9 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 869. | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.0 | PE | Modelli and Distefano, 1981 | LLK |
9.9 ± 0.1 | EI | Stefanovic and Grutzmacher, 1974 | LLK |
9.91 ± 0.05 | EI | Basila and Clancy, 1963 | RDSH |
9.68 | PE | Modelli and Distefano, 1981 | Vertical value; LLK |
9.54 | PE | Klasinc, Novak, et al., 1978 | Vertical value; LLK |
Gas Chromatography
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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | OV-101 | 130. | 870. | Osmialowski, Halkiewicz, et al., 1985 | Ar, Chromosorb W HP; Column length: 1. m |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-1 | 900.0 | Gautzsch and Zinn, 1996 | 8. K/min; Tstart: 35. C; Tend: 300. C |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | OV-101 | 130. | 870. | Qi, Yang, et al., 2000 |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polydimethyl siloxanes | 895. | Zenkevich and Chupalov, 1996 | Program: not specified |
Capillary | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 870. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
References
Go To: Top, Gas phase ion energetics data, Gas Chromatography, 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]
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]
Stefanovic and Grutzmacher, 1974
Stefanovic, D.; Grutzmacher, H.F.,
The ionisation potential of some substituted pyridines,
Org. Mass Spectrom., 1974, 9, 1052. [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]
Osmialowski, Halkiewicz, et al., 1985
Osmialowski, K.; Halkiewicz, J.; Radecki, A.; Kaliszan, R.,
Quantum chemical parameters in correlation analysis of gas-liquid chromatographic retention indices of amines,
J. Chromatogr., 1985, 346, 53-60, https://doi.org/10.1016/S0021-9673(00)90493-X
. [all data]
Gautzsch and Zinn, 1996
Gautzsch, R.; Zinn, P.,
Use of incremental models to estimate the retention indexes of aromatic compounds,
Chromatographia, 1996, 43, 3/4, 163-176, https://doi.org/10.1007/BF02292946
. [all data]
Qi, Yang, et al., 2000
Qi, Y.; Yang, J.; Xu, L.,
correlation analysis of the structures and gas liquid chromatographic retention indices of amines,
Chin. J. Anal. Chem., 2000, 28, 2, 223-227. [all data]
Zenkevich and Chupalov, 1996
Zenkevich, I.G.; Chupalov, A.A.,
New Possibilities of Chromato Mass Pectrometric Identification of Organic Compounds Using Increments of Gas Chromatographic Retention Indices of Molecular Structural Fragments,
Zh. Org. Khim. (Rus.), 1996, 32, 5, 656-666. [all data]
Waggott and Davies, 1984
Waggott, A.; Davies, I.W.,
Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
IE (evaluated) Recommended ionization energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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