Diazene, dipropyl
- Formula: C6H14N2
- Molecular weight: 114.1888
- IUPAC Standard InChIKey: LQCYZZANGSLXDJ-UHFFFAOYSA-N
- CAS Registry Number: 821-67-0
- Chemical structure:
This structure is also available as a 2d Mol file - Species with the same structure:
- Stereoisomers:
- Other names: Dipropyldiazene
- Information on this page:
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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 |
---|---|---|---|---|---|
ΔfH°gas | 14.9 | kcal/mol | N/A | Lebedeva, Masalitinova, et al., 1980 | Value 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 |
ΔfH°gas | 12.4 | kcal/mol | Ccb | Engel, Wood, et al., 1974 | see 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 |
---|---|---|---|---|---|
Tboil | 386. to 388. | K | N/A | Buckingham and Donaghy, 1982 | BS |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 9.532 | kcal/mol | N/A | Majer and Svoboda, 1985 | |
ΔvapH° | 9.54 ± 0.1 | kcal/mol | C | Engel, Melaugh, et al., 1976 | AC |
ΔvapH° | 9.64 | kcal/mol | V | Engel, Wood, et al., 1974 | see Engel, Melaugh, et al., 1976; ALS |
ΔvapH° | 9.66 | kcal/mol | N/A | Engel, Wood, et al., 1974 | DRB |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
9.44 | 300. | UV | Engel, Wood, et al., 1974 | Based 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
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Methyl Silicone | 760. | Zenkevich, 1999 | Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Gas Chromatography, Notes
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
Go To: Top, Gas phase thermochemistry data, Phase change data, Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point ΔfH°gas Enthalpy of formation of gas at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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