1,2,3,4-Tetrahydro-N-methylcarbazole
- Formula: C13H15N
- Molecular weight: 185.2649
- IUPAC Standard InChIKey: LXRZSWPAXJBXQM-UHFFFAOYSA-N
- CAS Registry Number: 6303-88-4
- Chemical structure:
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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 22.3 ± 0.07 | kcal/mol | Ccr | Steele, Knipmeyer, et al., 1991 |
Phase change data
Go To: Top, Gas phase thermochemistry 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Ttriple | 323.71 | K | N/A | Steele, Chirico, et al., 1992 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.01 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 22.5 | kcal/mol | N/A | Steele, Knipmeyer, et al., 1991 | DRB |
Enthalpy of phase transition
ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
0.0 | 103.8 | crystaline, IV | crystaline, III | N/A | DH |
0.1624 | 162.4 | crystaline, III | crystaline, II | N/A | DH |
0.0 | 210.4 | crystaline, II | crystaline, I | N/A | DH |
3.50545 | 323.71 | crystaline, I | liquid | N/A | DH |
0.0 | 103.8 | crystaline, IV | crystaline, III | Steele, Chirico, et al., 1992 | DH |
0.162 | 162.4 | crystaline, III | crystaline, II | Steele, Chirico, et al., 1992 | DH |
0.0 | 210.4 | crystaline, II | crystaline, I | Steele, Chirico, et al., 1992 | DH |
3.5055 | 323.71 | crystaline, I | liquid | Steele, Chirico, et al., 1992 | DH |
References
Go To: Top, Gas 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.
Steele, Knipmeyer, et al., 1991
Steele, W.V.; Knipmeyer, S.E.; Nguyen, A.; Chirico, R.D.,
Thermodynamic properties of 9-methylcarbazole and 1,2,3,4-tetrahydro-9-methylcarbazole,
Rept. NIPER-520 prepard for USDOE by ITT Res. Instit. Bartlesville, OK. work performed under cooperative agreement No. DE-FC22-83FE60149 (NIPER-520), 1991, 1-45. [all data]
Steele, Chirico, et al., 1992
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A.,
The thermodynamic properties of 9-methylcarbazole and of 1,2,3,4-tetrahydro-9-methylcarbzaole,
J. Chem. Thermodyn., 1992, 24, 245-271. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔfH°gas Enthalpy of formation of gas at standard conditions ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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