Benzonitrile, 3-methyl-

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.


Reaction thermochemistry 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: John E. Bartmess

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

C8H6N- + Hydrogen cation = Benzonitrile, 3-methyl-

By formula: C8H6N- + H+ = C8H7N

Quantity Value Units Method Reference Comment
Δr369.2 ± 2.1kcal/molG+TSCaldwell and Bartmessgas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr362.1 ± 2.0kcal/molIMRECaldwell and Bartmessgas phase; value altered from reference due to change in acidity scale

Gas phase ion energetics data

Go To: Top, Reaction thermochemistry 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 as indicated in comments:
B - John E. Bartmess
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 C8H7N+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
9.58 ± 0.05EIBuchs, 1970RDSH
9.66 ± 0.05EIPignataro, Foffani, et al., 1966RDSH
9.34PEPalmer, Moyes, et al., 1980Vertical value; LLK
9.40PEKobayashi and Nagakura, 1974Vertical value; LLK

De-protonation reactions

C8H6N- + Hydrogen cation = Benzonitrile, 3-methyl-

By formula: C8H6N- + H+ = C8H7N

Quantity Value Units Method Reference Comment
Δr369.2 ± 2.1kcal/molG+TSCaldwell and Bartmessgas phase; value altered from reference due to change in acidity scale; B
Quantity Value Units Method Reference Comment
Δr362.1 ± 2.0kcal/molIMRECaldwell and Bartmessgas phase; value altered from reference due to change in acidity scale; B

References

Go To: Top, Reaction thermochemistry 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.

Caldwell and Bartmess
Caldwell, G.; Bartmess, J.E., , Unpublished results. [all data]

Buchs, 1970
Buchs, A., Etude par spectrometrie de masse de l'ionisation de benzonitriles, de phenylacetonitriles et de N,N-dimethylanilines substitues, Helv. Chim. Acta, 1970, 53, 2026. [all data]

Pignataro, Foffani, et al., 1966
Pignataro, S.; Foffani, A.; Innorta, G.; Distefano, G., Molecular structural effects on the ionization potentials for metasubstituted aromatic compounds and for compounds of the type X-CH2-R, Z. Physik. Chem. (Frankfurt), 1966, 49, 291. [all data]

Palmer, Moyes, et al., 1980
Palmer, M.H.; Moyes, W.; Spiers, M., The electronic structure of substituted benzenes: Ab initio calculations and photoelectron spectra for benzonitrile, the tolunitriles, fluorobenzonitriles, dicyanobenzenes and ethynylbenzene, J. Mol. Struct., 1980, 62, 165. [all data]

Kobayashi and Nagakura, 1974
Kobayashi, T.; Nagakura, S., Photoelectron spectra of substituted benzenes, Bull. Chem. Soc. Jpn., 1974, 47, 2563. [all data]


Notes

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