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

Pyridazine hexahydro-1,2-dimethyl-


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

Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Quantity Value Units Method Reference Comment
Proton affinity (review)966.1kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity935.4kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
6.75 ± 0.05EQRumack, 1986LBLHLM
6.54 ± 0.05EQMautner(Meot-Ner), Nelsen, et al., 1984LBLHLM
7.81PENelsen and Buschek, 1974LLK
7.809PENelsen and Buschek, 1974, 2LLK
8.88PENelsen, 1984Vertical value; LBLHLM
7.75 ± 0.03PESchweig, Thon, et al., 1980Vertical value; LLK
7.81PENelsen, Peacock, et al., 1976Vertical value; LLK
7.78PERademacher and Koopman, 1975Vertical value; LLK
7.78PERademacher, 1974Vertical value; LLK
8.57PERademacher, 1974Vertical value; LLK
7.77PENelsen, Buschek, et al., 1973Vertical value; LLK

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.

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]

Rumack, 1986
Rumack, D., Title unavailable, Personal communication to S.G. Lias, 1986. [all data]

Mautner(Meot-Ner), Nelsen, et al., 1984
Mautner(Meot-Ner), M.; Nelsen, S.F.; Willi, M.R.; Frigo, T.B., Special effects of an unusually large neutral to radical cation geometry change. Adiabatic ionization energies and proton affinities of alkylhydrazines, J. Am. Chem. Soc., 1984, 106, 7384. [all data]

Nelsen and Buschek, 1974
Nelsen, S.F.; Buschek, J.M., Photoelectron spectra of hydrazines. V. Pyrazolidine and hexahydropyridazine derivatives, J. Am. Chem. Soc., 1974, 96, 6987. [all data]

Nelsen and Buschek, 1974, 2
Nelsen, S.F.; Buschek, J.M., Photoelectron spectra of hydrazines. IV. Empirical estimation of lone pair-lone pair dihedral angles and prediction of lone pair ionization potentials for some cyclic and bicyclic hydrazines, J. Am. Chem. Soc., 1974, 96, 6982. [all data]

Nelsen, 1984
Nelsen, S.F., Ionization from nitrogen and oxygen lone pairs: A comparison of trialkylamine, dialkyl ether, tetraalkylhydrazine, and dialkyl peroxide photoelectron spectroscopic ionization potentials, J. Org. Chem., 1984, 49, 1891. [all data]

Schweig, Thon, et al., 1980
Schweig, A.; Thon, N.; Nelsen, S.F.; Grezzo, L.A., Conformational study of 1,2-dimethylhexahydropyridazine by variable-temperature photoelectron spectroscopy, J. Am. Chem. Soc., 1980, 102, 7438. [all data]

Nelsen, Peacock, et al., 1976
Nelsen, S.F.; Peacock, V.; Weisman, G.R., Single-electron oxidation equilibria of tetraalkylhydrazines. Comparison of solution E° values and vapor-phase ionization potentials, J. Am. Chem. Soc., 1976, 98, 5269. [all data]

Rademacher and Koopman, 1975
Rademacher, P.; Koopman, H., Cyclische und bicyclische Hydrazine, Chem. Ber., 1975, 108, 1557. [all data]

Rademacher, 1974
Rademacher, P., Photoelectron spectra and conformation of cyclic N,N'-dimethylhydrazines, Tetrahedron Lett., 1974, 83. [all data]

Nelsen, Buschek, et al., 1973
Nelsen, S.F.; Buschek, J.M.; Hintz, P.J., Photoelectron spectra of hydrazines. II. Conformations of hexahydropyridazines, J. Am. Chem. Soc., 1973, 95, 2013. [all data]


Notes

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