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
Go To: Top, Condensed phase thermochemistry data, 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 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 |
Condensed 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | 5.3 | kcal/mol | Ccb | Lebedeva, Masalitinova, et al., 1980 | |
ΔfH°liquid | 2.74 | kcal/mol | Ccb | Engel, Wood, et al., 1974 | see Engel, Melaugh, et al., 1976 |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -1047.8 ± 0.3 | kcal/mol | Ccb | Lebedeva, Masalitinova, et al., 1980 | |
ΔcH°liquid | -1045.25 ± 0.21 | kcal/mol | Ccb | Engel, Wood, et al., 1974 | see Engel, Melaugh, et al., 1976 |
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 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, 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]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Tboil Boiling point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid 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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