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Tetramethylhydrazine

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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

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
32.9305.TStephenson and Malanowski, 1987Based on data from 290. - 346. K. See also Hickinbottom, Rogers, et al., 1957.

Reaction thermochemistry 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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

C4H12N2+ + Tetramethylhydrazine = (C4H12N2+ bullet Tetramethylhydrazine)

By formula: C4H12N2+ + C4H12N2 = (C4H12N2+ bullet C4H12N2)

Bond type: Charge transfer bond (positive ion)

Quantity Value Units Method Reference Comment
Deltar54.4kJ/molPHPMSNelsen, Rumak, et al., 1987gas phase
Quantity Value Units Method Reference Comment
Deltar112.J/mol*KPHPMSNelsen, Rumak, et al., 1987gas phase

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 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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Quantity Value Units Method Reference Comment
Proton affinity (review)948.7kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity917.9kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
6.87 ± 0.05EQRumack, 1986LBLHLM
6.77 ± 0.05EQMautner(Meot-Ner), Nelsen, et al., 1984LBLHLM
7.93PEBodor, Dewar, et al., 1970RDSH
7.76 ± 0.05EIDibeler, Franklin, et al., 1959RDSH
8.5PENelsen, 1984Vertical value; LBLHLM
8.27PEBock, Kaim, et al., 1980Vertical value; LLK
8.27PENelsen, Peacock, et al., 1976Vertical value; LLK
8.55PENelsen and Buschek, 1974Vertical value; LLK
8.27PENelsen and Buschek, 1974, 2Vertical value; LLK
8.38PERademacher, 1973Vertical value; LLK
8.43PENelsen and Buschek, 1973Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
N2H2?+11.9 ± 0.2?EIDibeler, Franklin, et al., 1959RDSH
N2?+13.1 ± 0.2?EIDibeler, Franklin, et al., 1959RDSH
C2H4N?+12.2 ± 0.2?EIDibeler, Franklin, et al., 1959RDSH
CH3+14. ± 1.?EIDibeler, Franklin, et al., 1959RDSH
C2H5N2+12.4 ± 0.2?EIDibeler, Franklin, et al., 1959RDSH
C2H6N+11.2 ± 0.1?EIGowenlock, Jones, et al., 1961RDSH
C2H6N+11.2 ± 0.2?EIDibeler, Franklin, et al., 1959RDSH
C2H6N2+10.5 ± 0.1C2H6EIDibeler, Franklin, et al., 1959RDSH
C3H7+10.9 ± 0.2?EIDibeler, Franklin, et al., 1959RDSH
C3H7N2+10.7 ± 0.1?EIDibeler, Franklin, et al., 1959RDSH
C3H8N2+8.9 ± 0.1CH4EIDibeler, Franklin, et al., 1959RDSH
C3H9N2+9.1 ± 0.1CH3EIDibeler, Franklin, et al., 1959RDSH
N2H4+12.3 ± 0.1?EIDibeler, Franklin, et al., 1959RDSH

Ion clustering data

Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), 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) and Sharon G. Lias

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

C4H12N2+ + Tetramethylhydrazine = (C4H12N2+ bullet Tetramethylhydrazine)

By formula: C4H12N2+ + C4H12N2 = (C4H12N2+ bullet C4H12N2)

Bond type: Charge transfer bond (positive ion)

Quantity Value Units Method Reference Comment
Deltar54.4kJ/molPHPMSNelsen, Rumak, et al., 1987gas phase
Quantity Value Units Method Reference Comment
Deltar112.J/mol*KPHPMSNelsen, Rumak, et al., 1987gas phase

IR Spectrum

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Gas Phase Spectrum

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IR spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

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Owner NIST Standard Reference Data Program
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin NIST Mass Spectrometry Data Center
State gas
Instrument HP-GC/MS/IRD

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


Mass spectrum (electron ionization)

Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin NIST Mass Spectrometry Data Center, 1990.
NIST MS number 118867

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


References

Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, Mass spectrum (electron ionization), 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]

Hickinbottom, Rogers, et al., 1957
Hickinbottom, W.J.; Rogers, N.W.; Clark, H.C.; Cox, B.; Sharpe, A.G.; Barakat, M.Z.; Shehab, S.K.; El-Sadr, M.M.; Pauncz, R.; Aynsley, E.E.; Campbell, W.A.; Baddiley, J.; Buchanan, J.G.; Carss, B.; Woodcock, D.; Clifford, D.R.; Faseeh, S.A.; Harley-Mason, John; Merchant, J.R.; Naik, R.M.; Mountwalla, A.J.; Williams, R.L.; Pace, R.J.; O'Sullivan, D.G.; Sadler, P.W.; Cocker, Wesley; Cross, B.E.; Williamson, W.R.N.; Mcilroy, R.J.; Everest, D.A.; Bird, C.W.; Norymberski, J.K.; Woods, Gilbert F.; Heath, D.F.; Aylett, B.J.; Cadogan, J.I.G.; Johnson, E.A., Notes, J. Chem. Soc., 1957, 4131, https://doi.org/10.1039/jr9570004131 . [all data]

Nelsen, Rumak, et al., 1987
Nelsen, S.F.; Rumak, D.T.; Meot-Ner (Mautner), M., Kinetic effects of an unusually large neutral to radical cation geometry change. Slow electron transfer rections between alkylhydrazines, J. Am. Chem. Soc., 1987, 109, 5, 1373, https://doi.org/10.1021/ja00239a015 . [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]

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]

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]

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]

Bock, Kaim, et al., 1980
Bock, H.; Kaim, W.; Noth, H.; Semkow, A., A radical ions. 36. Structural changes accompanying the one-electron oxidation of hydrazine and its silyl derivatives, J. Am. Chem. Soc., 1980, 102, 4421. [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]

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]

Rademacher, 1973
Rademacher, P., Photoelectron spectra and conformation of hydrazine derivatives, Angew. Chem. Int. Ed. Engl., 1973, 12, 408. [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]

Gowenlock, Jones, et al., 1961
Gowenlock, B.G.; Jones, P.P.; Majer, J.R., Bond dissociation energies in some molecules containing alkyl substituted CH3, NH2, and OH, J. Chem. Soc. Faraday Trans., 1961, 57, 23. [all data]


Notes

Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, Mass spectrum (electron ionization), References