Home Symbol which looks like a small house Up Solid circle with an upward pointer in it


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 ion energetics data

Go To: Top, 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
B - John E. Bartmess

View reactions leading to C13H9N+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)7.8eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)972.6kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity940.7kJ/molN/AHunter and Lias, 1998HL

Electron affinity determinations

EA (eV) Method Reference Comment
0.896 ± 0.010LPESKokubo, Ando, et al., 2004B
0.91 ± 0.10IMREDillow and Kebarle, 1989«DELTA»Gea(423 K) = -20.3 kcal/mol; «DELTA»Sea =-1.5, taken as that of anthracene, from Kebarle and Chowdhury, 1987.9-aza-anthrancene; B

Ionization energy determinations

IE (eV) Method Reference Comment
7.39CTSSlifkin and Allison, 1967RDSH
8.0 ± 0.1CTSFarrell and Newton, 1966RDSH
8.04CTSKinoshita, 1962RDSH
7.8PITerenin, 1961RDSH
8.13 ± 0.02PEMaier, Muller, et al., 1975Vertical value; LLK
7.85PEJongsma, Vermeer, et al., 1975Vertical value; LLK
7.88 ± 0.02PEHush, Cheung, et al., 1975Vertical value; LLK


Go To: Top, 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.

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]

Kokubo, Ando, et al., 2004
Kokubo, S.; Ando, N.; Koyasu, K.; Mitsui, M.; Nakajima, A., Negative ion photoelectron spectroscopy of acridine molecular anion and its monohydrate, J. Chem. Phys., 2004, 121, 22, 11112-11117, https://doi.org/10.1063/1.1818132 . [all data]

Dillow and Kebarle, 1989
Dillow, G.W.; Kebarle, P., Electron Affinities of aza-substituted polycyclic aromatic hydrocarbons, Can. J. Chem., 1989, 67, 10, 1628, https://doi.org/10.1139/v89-249 . [all data]

Kebarle and Chowdhury, 1987
Kebarle, P.; Chowdhury, S., Electron affinities and electron transfer reactions, Chem. Rev., 1987, 87, 513. [all data]

Slifkin and Allison, 1967
Slifkin, M.A.; Allison, A.C., Measurement of ionization potentials from contact charge transfer spectra, Nature, 1967, 215, 949. [all data]

Farrell and Newton, 1966
Farrell, P.G.; Newton, J., Ionization potentials of primary aromatic amines and aza-hydrocarbons, Tetrahedron Lett., 1966, 5517. [all data]

Kinoshita, 1962
Kinoshita, M., The absorption spectra of the molecular complexes of aromatic compounds with p-bromanil, Bull. Chem. Soc. Japan, 1962, 35, 1609. [all data]

Terenin, 1961
Terenin, A., Charge transfer in organic solids, induced by light, Proc. Chem. Soc., London, 1961, 321. [all data]

Maier, Muller, et al., 1975
Maier, J.P.; Muller, J.-F.; Kubota, T.; Yamakawa, M., 183. Ionisation energies and the electronic structures of the N-oxides of azanaphthalenes and azaanthracenes, Helv. Chim. Acta, 1975, 58, 1641. [all data]

Jongsma, Vermeer, et al., 1975
Jongsma, C.; Vermeer, H.; Bickelhaupt, F.; Schafer, W.; Schweig, A., 10-methyl-9-phosphaanthracene, Tetrahedron, 1975, 31, 2931. [all data]

Hush, Cheung, et al., 1975
Hush, N.S.; Cheung, A.S.; Hilton, P.R., Binding energies of «pi»- and "lone pair"-levels in mono- and diaza-phenanthrenes and anthracenes: an He(I) photoelectron spectroscopic study, J. Electron Spectrosc. Relat. Phenom., 1975, 7, 385. [all data]


Go To: Top, Gas phase ion energetics data, References