Isoquinoline
- Formula: C9H7N
- Molecular weight: 129.1586
- IUPAC Standard InChIKey: AWJUIBRHMBBTKR-UHFFFAOYSA-N
- CAS Registry Number: 119-65-3
- 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: β-Quinoline; Benzopyridine; Benzo[c]pyridine; Leucoline; 2-Azanaphthalene; 2-Benzazine; 2-Benzanine; Isochinolin; NSC 3395
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Gas phase ion energetics data
Go To: Top, Mass spectrum (electron ionization), 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
View reactions leading to C9H7N+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 8.53 ± 0.02 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 951.7 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 919.9 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.50 | PE | Schafer, Schweig, et al., 1975 | LLK |
8.50 | PE | Brogli, Heilbronner, et al., 1972 | LLK |
8.54 | PE | Dewar and Worley, 1969 | RDSH |
8.55 ± 0.02 | PI | Yencha and El-Sayed, 1968 | RDSH |
8.53 ± 0.05 | PE | Eland and Danby, 1968 | RDSH |
8.54 | PE | Van Den Ham and Van Der Meer, 1972 | Vertical value; LLK |
Mass spectrum (electron ionization)
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
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW-8686 |
NIST MS number | 227937 |
References
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), 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]
Schafer, Schweig, et al., 1975
Schafer, W.; Schweig, A.; Vermeer, H.; Bickel-haupt, F.; De Graaf, H.,
On the nature of the "free electron pair" on phosphorus in aromatic phosphorus compounds: the photoelectron spectrum of 2-phosphanaphthalene,
J. Electron Spectrosc. Relat. Phenom., 1975, 6, 91. [all data]
Brogli, Heilbronner, et al., 1972
Brogli, F.; Heilbronner, E.; Kobayashi, T.,
Photoelectron spectra of azabenzenes and azanaphthalenes: II. A reinvestigation of azanaphthalenes by high-resolution photoelectron spectroscopy,
Helv. Chim. Acta, 1972, 55, 274. [all data]
Dewar and Worley, 1969
Dewar, M.J.S.; Worley, S.D.,
Photoelectron spectra of molecules. II.The ionization potentials of azabenzenes and azanaphthalenes,
J. Chem. Phys., 1969, 51, 263. [all data]
Yencha and El-Sayed, 1968
Yencha, A.J.; El-Sayed, M.A.,
Lowest ionization potentials of some nitrogen heterocyclics,
J. Chem. Phys., 1968, 48, 3469. [all data]
Eland and Danby, 1968
Eland, J.H.D.; Danby, C.J.,
Inner ionization potentials of aromatic compounds,
Z. Naturforsch., 1968, 23a, 355. [all data]
Van Den Ham and Van Der Meer, 1972
Van Den Ham, D.M.W.; Van Der Meer, D.,
Perfluoro effect in the photoelectron spectra of quinoline and isoquinoline,
Chem. Phys. Lett., 1972, 15, 549. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), 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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