3-aza-benzoate anion


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 compiled by: John E. Bartmess

Electron affinity of neutral species

EAneutral (eV) Method Reference Comment
4.00 ± 0.16D-EASchafman and Wenthold, 2007 
3.95 ± 0.10LPESWang, Dacres, et al., 2003Vertical Detachment Energy: 4.30±0.01 eV

Protonation reactions

C6H4NO2- + Hydrogen cation = Niacin

By formula: C6H4NO2- + H+ = C6H5NO2

Quantity Value Units Method Reference Comment
Δr334.4 ± 2.0kcal/molCIDCSchafman and Wenthold, 2007gas phase
Δr333.4 ± 2.9kcal/molG+TSBreuker, Knochenmuss, et al., 1999gas phase; Acid: nicotinic acid
Quantity Value Units Method Reference Comment
Δr327.4 ± 2.2kcal/molH-TSSchafman and Wenthold, 2007gas phase
Δr326.4 ± 2.7kcal/molIMRBBreuker, Knochenmuss, et al., 1999gas phase; Acid: nicotinic acid

References

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.

Schafman and Wenthold, 2007
Schafman, B.S.; Wenthold, P.G., Regioselectivity of pyridine deprotonation in the gas phase, J. Org. Chem., 2007, 72, 5, 1645-1651, https://doi.org/10.1021/jo062117x . [all data]

Wang, Dacres, et al., 2003
Wang, X.B.; Dacres, J.E.; Yang, X.; Broadus, K.M.; Lis, L.; Wang, L.S.; Kass, S.R., Photodetachment of zwitterions: Probing intramolecular Coulomb repulsion and attraction in the gas phase using pyridinium dicarboxylate anions, J. Am. Chem. Soc., 2003, 125, 1, 296-304, https://doi.org/10.1021/ja028204y . [all data]

Breuker, Knochenmuss, et al., 1999
Breuker, K.; Knochenmuss, R.; Zenobi, R., Gas-phase basicities of deprotonated matrix-assisted laser desorption/ionization matrix molecules, Int. J. Mass Spectrom., 1999, 184, 1, 25-38, https://doi.org/10.1016/S1387-3806(98)14200-8 . [all data]


Notes

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