Diazene, diisopropyl

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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 as indicated in comments:
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Δvap8.58 ± 0.1kcal/molCEngel, Melaugh, et al., 1976AC
Δvap8.66kcal/molVEngel, Wood, et al., 1974see Engel, Melaugh, et al., 1976; ALS
Δvap8.63kcal/molN/AEngel, Wood, et al., 1974DRB

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
8.63302.UVEngel, Wood, et al., 1974Based on data from 296. to 308. K.; AC
8.5 ± 0.5293.VCoates and Sutton, 1948ALS

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 by: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C3H7+9.4 ± 0.1?EIGowenlock, Majer, et al., 1962 

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.

Engel, Melaugh, et al., 1976
Engel, P.S.; Melaugh, R.A.; Mansson, M.; Timberlake, J.W.; Garner, A.W.; Rossini, F.D., Thermochemistry of nine diazenes (azo compounds), J. Chem. Thermodyn., 1976, 8, 607-621. [all data]

Engel, Wood, et al., 1974
Engel, P.S.; Wood, J.L.; Sweet, J.A.; Margrave, J.L., Thermochemistry of azoalkanes, J. Am. Chem. Soc., 1974, 96, 2381-2387. [all data]

Coates and Sutton, 1948
Coates, G.E.; Sutton, L.E., The heats of formation of the -N=N- and >C=N- bonds, J. Chem. Soc., 1948, 1187-1196. [all data]

Gowenlock, Majer, et al., 1962
Gowenlock, B.G.; Majer, J.R.; Snelling, D.R., Bond dissociation energies in some azo compounds, J. Chem. Soc. Faraday Trans., 1962, 58, 670. [all data]


Notes

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