hexanitroethane
- Formula: C2N6O12
- Molecular weight: 300.0544
- IUPAC Standard InChI: InChI=1S/C2N6O12/c9-3(10)1(4(11)12,5(13)14)2(6(15)16,7(17)18)8(19)20
- IUPAC Standard InChIKey: CCAKQXWHJIKAST-UHFFFAOYSA-N
- CAS Registry Number: 918-37-6
- Chemical structure:
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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
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 16.9 | kcal/mol | N/A | Miroshnichenko and Vorob'eva, 1999 | AC |
| ΔsubH° | 16.9 ± 0.4 | kcal/mol | V | Pepekin, Miroshnichenko, et al., 1968 | Author was aware that data differs from previously reported values; Author's hf298_condensed=20.0±1.0; ALS |
| ΔsubH° | 7.2 | kcal/mol | V | Noble, Reed, et al., 1963 | ALS |
Enthalpy of sublimation
| ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 7.27 | 308. | N/A | Stephenson and Malanowski, 1987 | Based on data from 293. to 343. K. See also BORGARDT, GALLAGHAN, et al., 1963.; AC |
| 16.9 ± 0.41 | 303. | ME | Miroshnichenko and Lebedev, 1969 | Based on data from 293. to 313. K. See also Pedley and Rylance, 1977.; AC |
| 16.9 ± 0.41 | 293. to 343. | N/A | Pepekin, Miroshnichenko, et al., 1968, 2 | AC |
Enthalpy of phase transition
| ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 2.9637 | 291. | crystaline, II | crystaline, I | Krien, Licht, et al., 1970 | T = 289 to 292 K; 291 K assumed.; DH |
Entropy of phase transition
| ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 10.2 | 291. | crystaline, II | crystaline, I | Krien, Licht, et al., 1970 | T; DH |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Miroshnichenko and Vorob'eva, 1999
Miroshnichenko, E.O.; Vorob'eva, V.P.,
Thermochemical characteristics of nitroalkanes,
Zh. Fiz. Khim., 1999, 73, 3, 419. [all data]
Pepekin, Miroshnichenko, et al., 1968
Pepekin, V.I.; Miroshnichenko, E.A.; Lebedev, Yu.A.; Apin, A.Ya.,
Enthalpy of formation of hexanitroethane,
Russ. J. Phys. Chem. (Engl. Transl.), 1968, 42, 1583-1584. [all data]
Noble, Reed, et al., 1963
Noble, P., Jr.; Reed, W.I.; Hoffman, C.J.; Gallaghan, J.A.; Borgardt, F.G.,
Physical and Chemical Properties of Hexanitroethane,
AIAA, 1963, 1, 395-397. [all data]
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]
BORGARDT, GALLAGHAN, et al., 1963
BORGARDT, F.G.; GALLAGHAN, J.A.; HOFFMAN, C.J.; NOBLE, P.; REED, W.L.,
PHYSICAL AND CHEMICAL PROPERTIES OF HEXANITROETHANE,
AIAA Journal, 1963, 1, 2, 395-397, https://doi.org/10.2514/3.1544
. [all data]
Miroshnichenko and Lebedev, 1969
Miroshnichenko, E.A.; Lebedev, Yu.A.,
Khim. Geterotsikl. Soedin., 1969, 6, 963. [all data]
Pedley and Rylance, 1977
Pedley, J.B.; Rylance, J.,
, Computer Analysed Thermochemical Data: Organic and Organometallic Compounds, University of Sussex, Brighton, 1977. [all data]
Pepekin, Miroshnichenko, et al., 1968, 2
Pepekin, V.I.; Miroshnichenko, E.A.; Levedev, Y.A.; Apin, A.Y.,
Russ. J. Phys. Chem., 1968, 42, 11, 1583. [all data]
Krien, Licht, et al., 1970
Krien, G.; Licht, H.H.; Trimborn, F.,
A phase transition of hexanitroethane (HNE),
Explosivstoffe, 1970, 9, 203-207. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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