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

NOTICE: Due to scheduled maintenance at our Gaithersburg campus, this site will not be available from 5:00 pm EDT (21:00 UTC) on Friday October 25 until 5:00 pm (21:00 UTC) on Sunday October 27. We apologize for any inconvenience this outage may cause.

L-Lysine, hydrate (1:1)


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: Michael M. Meot-Ner (Mautner)

Proton affinity at 298K

Proton affinity (kJ/mol) Reference Comment
657.3Spanel, Smith, et al., 1995T = 300K; GB > acetylene, < CS2, H2O; PA assigned based on DS (B - BH+) = 10.0 cal/mol K based on Hunter and Lias, 1998, but assignment of DS not clear Temperature dependent equilibrium study and ab initio calculation would be useful

Gas basicity at 298K

Gas basicity (review) (kJ/mol) Reference Comment
640. ± 20.Spanel, Smith, et al., 1995T = 300K; GB > acetylene, < CS2, H2O; PA assigned based on DS (B - BH+) = 10.0 cal/mol K based on Hunter and Lias, 1998, but assignment of DS not clear Temperature dependent equilibrium study and ab initio calculation would be useful

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.

Spanel, Smith, et al., 1995
Spanel, P.; Smith, D.; Henchman, M., The Reactions of Some Interstellar Ions with Benzene, Cycloprpopane and Cyclohexane, Int. J. Mass Spectrom. Ion. Processes, 1995, 141, 117. [all data]

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]


Notes

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