Tetraethylhydrazine
- Formula: C8H20N2
- Molecular weight: 144.2578
- IUPAC Standard InChIKey: LFIAAOPREBAQSI-UHFFFAOYSA-N
- CAS Registry Number: 4267-00-9
- Chemical structure:
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Phase change 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 by: William E. Acree, Jr., James S. Chickos
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
7.98 | 323. | A | Stephenson and Malanowski, 1987 | Based on data from 308. to 368. K. |
Gas phase ion energetics data
Go To: Top, Phase change data, 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) | 230.5 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 223.5 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
6.50 ± 0.05 | EQ | Mautner(Meot-Ner), Nelsen, et al., 1984 | LBLHLM |
8.20 | PE | Nelsen, 1984 | Vertical value; LBLHLM |
8.02 | PE | Nelsen, Kessel, et al., 1979 | Vertical value; LLK |
7.94 | PE | Nelsen, Peacock, et al., 1976 | Vertical value; LLK |
7.94 | PE | Rademacher, 1975 | Vertical value; LLK |
8.195 | PE | Nelsen and Buschek, 1974 | Vertical value; LLK |
7.94 | PE | Nelsen and Buschek, 1974, 2 | Vertical value; LLK |
8.10 | PE | Nelsen and Buschek, 1973 | Vertical value; LLK |
References
Go To: Top, Phase change 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.
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [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]
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, 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]
Nelsen, Kessel, et al., 1979
Nelsen, S.F.; Kessel, C.R.; Brace, H.N.,
Twisted and bent hydrazine radical cations,
J. Am. Chem. Soc., 1979, 101, 1874. [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, 1975
Rademacher, P.,
Acyclische Hydrazine,
Chem. Ber., 1975, 108, 1548. [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]
Nelsen and Buschek, 1973
Nelsen, S.F.; Buschek, J.M.,
Photoelectron spectra of hydrazines. I. Dependence of the lone pair-lone pair splitting on dihedral angle for tetraalkylhydrazines,
J. Am. Chem. Soc., 1973, 95, 2011. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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