Diazene, dipropyl

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Gas phase 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 as indicated in comments:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas14.9kcal/molN/ALebedeva, Masalitinova, et al., 1980Value computed using ΔfHliquid° value of 22.0 kj/mol from Lebedeva, Masalitinova, et al., 1980 and ΔvapH° value of 40.4 kj/mol from Engel, Wood, et al., 1974.; DRB
Δfgas12.4kcal/molCcbEngel, Wood, et al., 1974see Engel, Melaugh, et al., 1976; ALS

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:
BS - Robert L. Brown and Stephen E. Stein
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
Tboil386. to 388.KN/ABuckingham and Donaghy, 1982BS
Quantity Value Units Method Reference Comment
Δvap9.532kcal/molN/AMajer and Svoboda, 1985 
Δvap9.54 ± 0.1kcal/molCEngel, Melaugh, et al., 1976AC
Δvap9.64kcal/molVEngel, Wood, et al., 1974see Engel, Melaugh, et al., 1976; ALS
Δvap9.66kcal/molN/AEngel, Wood, et al., 1974DRB

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
9.44300.UVEngel, Wood, et al., 1974Based on data from 295. to 305. K.; AC

Gas Chromatography

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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

Normal alkane RI, non-polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryMethyl Silicone760.Zenkevich, 1999Program: not specified

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.

Lebedeva, Masalitinova, et al., 1980
Lebedeva, N.D.; Masalitinova, T.N.; Mon'yakova, O.N.; Oleinikova, T.P., Energy of hydrazone = azo compound tautomeric transformation, J. Org. Chem. USSR (Engl. Transl.), 1980, 16, 226-228. [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]

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]

Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M., Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Zenkevich, 1999
Zenkevich, I.G., Precalculation of Gas Chromatographic Retention Indices of Organic Compounds from Boiling Points of their Structural Analogues, Zh. Struct. Khim., 1999, 40, 1, 121-130. [all data]


Notes

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