Cyclonite
- Formula: C3H6N6O6
- Molecular weight: 222.1163
- IUPAC Standard InChIKey: XTFIVUDBNACUBN-UHFFFAOYSA-N
- CAS Registry Number: 121-82-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: 1,3,5-Triazine, hexahydro-1,3,5-trinitro-; RDX; s-Triazine, hexahydro-1,3,5-trinitro-; Cyclonit; Cyclotrimethylenenitramine; Cyclotrimethylenetrinitramine; Geksogen; Hexahydro-1,3,5-trinitro-s-triazine; Hexahydro-1,3,5-trinitro-1,3,5-triazine; Hexogen; Hexogen 5W; PBX(AF) 108; Trimethylenetrinitramine; T4; 1,3,5-Triaza-1,3,5-Trinitrocyclohexane; 1,3,5-Trinitro-1,3,5-triazacyclohexane; 1,3,5-Trinitrohexahydro-s-triazine; 1,3,5-Trinitrohexahydro-1,3,5-triazine; 1,3,5-Trinitroperhydro-1,3,5-triazine; sym-Trimethylenetrinitramine; Esaidro-1,3,5-trinitro-1,3,5-triazina; Heksogen; Hexahydro-1,3,5-trinitro-1,3,5-triazin; Hexogeen; Hexogen (explosive); Hexolite; Trimethyleentrinitramine; Trinitrocyclotrimethylene triamine; Cyklonit; PBXW 108(E); UN 0072; 1,3,5-Triazacyclohexane 1,3,5-trinitro-; CX 84A; NSC 312447; PE 4; perhydro-1,3,5-trinitro-1,3,5-triazine
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Phase change data
Go To: Top, 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
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 |
---|---|---|---|---|---|
Tfus | 478.5 | K | N/A | Hall, 1971 | Uncertainty assigned by TRC = 0.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 134.3 | kJ/mol | N/A | Cundall, Frank Palmer, et al., 1978 | AC |
ΔsubH° | 112. ± 2. | kJ/mol | V | Edwards, 1953 | ALS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
84.4 | 513. | A | Stephenson and Malanowski, 1987 | Based on data from 503. to 523. K.; AC |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
112.5 ± 0.8 | 325. to 360. | ME | Pepekin, Matyushin, et al., 1974 | AC |
130.1 | 350. | N/A | Rosen and Dickinson, 1969 | Based on data from 329. to 371. K.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
37.66 | 478.2 | Domalski and Hearing, 1996 | AC |
35.648 | 478.5 | Hall, 1971, 2 | 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.
Hall, 1971
Hall, P.G.,
Thermal decomposition and phase transition in solid nitramines,
Trans. Faraday Soc., 1971, 67, 556-62. [all data]
Cundall, Frank Palmer, et al., 1978
Cundall, Robert B.; Frank Palmer, T.; Wood, Colin E.C.,
Vapour pressure measurements on some organic high explosives,
J. Chem. Soc., Faraday Trans. 1, 1978, 74, 0, 1339, https://doi.org/10.1039/f19787401339
. [all data]
Edwards, 1953
Edwards, G.,
The vapour pressure of cyclo-trimethylenetrinitramine (cyclonite) and pentaerythritoltetranitrate,
Trans. Faraday Soc., 1953, 49, 152. [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]
Pepekin, Matyushin, et al., 1974
Pepekin, V.I.; Matyushin, Yu.N.; Lebedev, Yu.A.,
Thermochemistry of N-nitro- and N-nitrosoamines of the alicyclic series,
Bull. Acad. Sci. USSR, Div. Chem. Sci., 1974, 1707-1710. [all data]
Rosen and Dickinson, 1969
Rosen, Jerome M.; Dickinson, Charles,
Vapor pressures and heats of sublimation of some high-melting organic explosives,
J. Chem. Eng. Data, 1969, 14, 1, 120-124, https://doi.org/10.1021/je60040a044
. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Hall, 1971, 2
Hall, P.G.,
Thermal decomposition and phase transitions in solid nitramines,
Trans. Faraday Soc., 1971, 67(3), 556-562. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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