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Hydrazine, 1,2-dimethyl-

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Gas phase ion energetics data

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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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
LL - Sharon G. Lias and Joel F. Liebman

Ionization energy determinations

IE (eV) Method Reference Comment
9.62PEBarz and Fritz, 1972LLK
8.22PEBodor, Dewar, et al., 1970RDSH
7.8 ± 0.1EIDibeler, Franklin, et al., 1959RDSH
9.02PERademacher, 1975Vertical value; LLK
9.02PEKimura and Osafune, 1975Vertical value; LLK
9.00PENelsen and Buschek, 1974Vertical value; LLK
9.00PENelsen and Buschek, 1974, 2Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
N2?+12.5?EIDibeler, Franklin, et al., 1959RDSH
C2H4N?+12.1 ± 0.5?EIDibeler, Franklin, et al., 1959RDSH
N2H2?+11.0 ± 0.2?EIDibeler, Franklin, et al., 1959RDSH
N2H3?+10.2 ± 0.2?EIDibeler, Franklin, et al., 1959RDSH
CH3+13.9 ± 0.3?EIDibeler, Franklin, et al., 1959RDSH
CH3N2+9.7 ± 0.5?EIDibeler, Franklin, et al., 1959RDSH
CH4N2+9.7 ± 0.3CH4EIDibeler, Franklin, et al., 1959RDSH
CH5N2+<=8.69CH3EIBurgers, Drewello, et al., 1989LL
CH5N2+9.1 ± 0.2CH3EIDibeler, Franklin, et al., 1959RDSH
C2H7N2+9.3 ± 0.2HEIDibeler, Franklin, et al., 1959RDSH

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Barz and Fritz, 1972
Barz, P.; Fritz, H.P., Untersuchungen an biochemish ligandensystemen, V. Komplexchemische und physikalisch-chemische untersuchungen am 1,2-dimethylhydrazin, Z. Naturforsch. B:, 1972, 27, 1131. [all data]

Bodor, Dewar, et al., 1970
Bodor, N.; Dewar, M.J.S.; Jennings, W.B.; Worley, S.D., Photoelectron spectra of molecules-IV.Ionization potentials and heats of formation of some hydrazines and amines, Tetrahedron, 1970, 26, 4109. [all data]

Dibeler, Franklin, et al., 1959
Dibeler, V.H.; Franklin, J.L.; Reese, R.M., Electron impact studies of hydrazine and the methyl-substituted hydrazines, J. Am. Chem. Soc., 1959, 81, 68. [all data]

Rademacher, 1975
Rademacher, P., Acyclische Hydrazine, Chem. Ber., 1975, 108, 1548. [all data]

Kimura and Osafune, 1975
Kimura, K.; Osafune, K., Photoelectron spectroscopic study of skew compounds. III. N,N'-dimethylhydrazine, dimethyl peroxide, and dimethyl disulfide, Bull. Chem. Soc. Jpn., 1975, 48, 2421. [all data]

Nelsen and Buschek, 1974
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 and Buschek, 1974, 2
Nelsen, S.F.; Buschek, J.M., Photoelectron spectra of hydrazines. III. Evidence for similar lone pair-lone pair dihedral angles for acyclic hydrazines, J. Am. Chem. Soc., 1974, 96, 2392. [all data]

Burgers, Drewello, et al., 1989
Burgers, P.C.; Drewello, T.; Schwarz, H.; Terlouw, J.K., CH5N2 hydrazyl radicals, cations and dication radicals studied by mass spectrometry. Is the N-protonated formaldehyde hydrazon cation +CH2-NH-NH2 a bridged species?, Int. J. Mass Spectrom. Ion Processes, 1989, 95, 157. [all data]


Notes

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