9H-Carbazole, 9-ethyl-
- Formula: C14H13N
- Molecular weight: 195.2597
- IUPAC Standard InChI: InChI=1S/C14H13N/c1-2-15-13-9-5-3-7-11(13)12-8-4-6-10-14(12)15/h3-10H,2H2,1H3
- IUPAC Standard InChIKey: PLAZXGNBGZYJSA-UHFFFAOYSA-N
- CAS Registry Number: 86-28-2
- 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: Carbazole, 9-ethyl-; N-Ethylcarbazole; 9-Ethylcarbazole
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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | 40.56 ± 0.62 | kcal/mol | Ccb | Jimenez, Roux, et al., 1990 |
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 as indicated in comments:
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 |
|---|---|---|---|---|---|
| ΔfH°solid | 16.9 ± 0.62 | kcal/mol | Ccb | Jimenez, Roux, et al., 1990 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -1777.6 ± 0.43 | kcal/mol | Ccb | Jimenez, Roux, et al., 1990 | ALS |
Constant pressure heat capacity of solid
| Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 56.93 | 298.15 | Jimenez, Roux, et al., 1990 | DH |
Phase change data
Go To: Top, Gas phase thermochemistry data, Condensed 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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tfus | 344. | K | N/A | Lopatinskii, Sirotkina, et al., 1964 | Uncertainty assigned by TRC = 4. K; TRC |
| Tfus | 341. | K | N/A | Adkins and Coonradt, 1941 | Uncertainty assigned by TRC = 3. K; TRC |
| Tfus | 340.65 | K | N/A | Von Auwers and Kraul, 1925 | Uncertainty assigned by TRC = 2. K; TRC |
| Tfus | 340.65 | K | N/A | Burton and Gibson, 1924 | Uncertainty assigned by TRC = 1.5 K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔsubH° | 23.7 ± 0.07 | kcal/mol | V | Jimenez, Roux, et al., 1990 | ALS |
| ΔsubH° | 23.7 | kcal/mol | N/A | Jimenez, Roux, et al., 1990 | DRB |
| ΔsubH° | 23.7 ± 0.07 | kcal/mol | ME | Jimenez, Roux, et al., 1990 | AC |
Enthalpy of sublimation
| ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 23.5 ± 0.07 | 319. | ME | Jimenez, Roux, et al., 1990 | Based on data from 310. to 329. 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.
Jimenez, Roux, et al., 1990
Jimenez, P.; Roux, M.V.; Turrion, C.,
Thermochemical properties of N-heterocyclic compounds. III. Enthalpies of combustion, vapour pressures and enthalpies of sublimation, and enthalpies of formation of 9H-carbazole, 9-methylcarbazole, and 9-ethylcarbazole,
J. Chem. Thermodyn., 1990, 22, 721-726. [all data]
Lopatinskii, Sirotkina, et al., 1964
Lopatinskii, V.P.; Sirotkina, E.E.; Sukhoroslava, M.M.,
N-Alkylcarbazoles,
Metody Poluch. Khim. Reak. Prep., 1964, 1964, No. 11, 69-72. [all data]
Adkins and Coonradt, 1941
Adkins, H.; Coonradt, H.L.,
The Selective Hydrogenation of Derivatives of Pyrrole, Indole, Carbazole and Acridine,
J. Am. Chem. Soc., 1941, 63, 1563-70. [all data]
Von Auwers and Kraul, 1925
Von Auwers, K.; Kraul, R.,
The Spectrochemistry of Compounds Containing Nitrogen.,
Z. Phys. Chem., Stoechiom. Verwandtschaftsl., 1925, 116, 438. [all data]
Burton and Gibson, 1924
Burton, H.; Gibson, C.S.,
New method for the preparation of 9-carbazoles,
J. Chem. Soc., 1924, 125, 2501. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid Tfus Fusion (melting) point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions 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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